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            利用SEH進(jìn)入ring0以及單步自跟蹤的實(shí)現(xiàn)

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            發(fā)表于 2008-9-28 16:36:07 | 只看該作者 |倒序?yàn)g覽 |閱讀模式
            <FONT face=宋體 size=2>一、ring0!并不遙遠(yuǎn)...</FONT>
            % X9 P/ ~1 g9 ~  k, T% [' {<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN></P>; Y2 ]! P6 z( W. H
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>作為seh的一個(gè)有趣的應(yīng)用是進(jìn)入ring0,ring0意味著更多的權(quán)利,意味著你可以進(jìn)行一些其他ring3級(jí)應(yīng)用程序不能進(jìn)行的操作,譬如改自己的代碼段(在不修改段屬性的前提下),改系統(tǒng)數(shù)據(jù)(病毒?)等等,在9X下進(jìn)入ring0的方法很多,在NT下困難的多,SEH只是其中較簡(jiǎn)單的一種.打開(kāi)調(diào)試器看看系統(tǒng)kernel的工作狀態(tài),在9X下cs一般是28h,ds,ss等通常是30h,因此只要我們的cs和ss等在異常處理程序中被賦予上述ring0選擇子值,進(jìn)入ring0就可以實(shí)現(xiàn).可能我們需要執(zhí)行較復(fù)雜的操作,在ring0下一般不能直接調(diào)用常用api,當(dāng)然VxD,WDM等提供的系統(tǒng)服務(wù)是另外一種選擇. 否則,這在用下述簡(jiǎn)單方法進(jìn)入ring0后執(zhí)行會(huì)產(chǎn)生錯(cuò)誤,因此,我們?cè)趓ing0下盡快完成需要完成的任務(wù),然后迅速返回ring3.</SPAN></P>
            $ p* e" p0 ]" w# G( f0 Z<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">在<SPAN lang=EN-US>ring0下要完成如下任務(wù):</SPAN></SPAN></P>2 y' o/ C  j$ G0 u! g, g
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>
            . v/ M& v2 k7 [; \2 Z<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">1.取CR3的值,返回ring3顯示.在ring3下不可以讀取cr3的值.你可以打開(kāi)kernel調(diào)試器看看例子程序取到的值是否正確.</SPAN></P>
            # y% D) _- u. e4 l" n2 _$ {<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">2.修改代碼段后面的jmp ****代碼,這在通常情況下只會(huì)導(dǎo)致保護(hù)錯(cuò)誤.而在ring0下是可以的,就像在前面例子中用she實(shí)現(xiàn)SMC的效果是一樣的,最后顯示幾個(gè)MsgBox,證明我們?cè)?jīng)到達(dá)過(guò)ring0</SPAN></P>
            9 O. N2 W4 D. O<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>: @% v* ]) w9 o
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">這個(gè)例子是參考<SPAN lang=EN-US>owl的那個(gè)nasm寫(xiě)的例子用masm改寫(xiě),并增加ring0下SMC的代碼部分以作演示.另外代碼中iretd指令并不是簡(jiǎn)單實(shí)現(xiàn)跳轉(zhuǎn),而是實(shí)現(xiàn)從ring0切回ring3的功能,在變換代碼特權(quán)級(jí)的同時(shí),堆棧的也要變換到ring3.可能原例子ljtt前輩的中文注釋容易引起初學(xué)者的誤解.</SPAN></SPAN></P>
            4 ^% v0 L/ g4 g<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>/ Y8 z# z4 X+ W  n/ _
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">別的不說(shuō)<SPAN lang=EN-US>,我發(fā)現(xiàn)進(jìn)入ring0后修改代碼段可以使trw的跟蹤崩潰...hmmm,好消息?代碼如下:</SPAN></SPAN></P>
            + x& }+ C" l3 f9 @% Y  t<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">其中用的一些宏在<SPAN lang=EN-US>Ex5中已經(jīng)貼了,就不再重復(fù).</SPAN></SPAN></P>
            7 y2 Y% s7 s: h% ?+ L# @+ T: Z<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;-----------------------------------------</SPAN></P>
            3 j1 G5 w& M0 C9 Y3 ~9 ]<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;Ex6,演示利用seh進(jìn)入ring0! by Hume,2002</SPAN></P>
            4 R# w" ]3 e1 ]0 j! m<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;humewen@21cn.com </SPAN></P>
            5 F( P4 o# M; u+ _+ {<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;hume.longcity.net</SPAN></P>) ?  r+ o- O+ ]$ C
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;-----------------------------------------</SPAN></P>  d0 L$ Q* F( G, j& T
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">.586</SPAN></P>
              [. E: G0 Q- x; A. f8 ]  n<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">.model flat, stdcall</SPAN></P>
            2 S. v# \& |/ ^+ c<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">option casemap :none<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>; case sensitive</SPAN></P>. e2 z5 G8 |6 Z1 q) p+ C6 R& L$ T' A
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">include hd.h</SPAN></P>
            9 i3 c- W1 w/ j; R; i<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">include mac.h</SPAN></P>
            . a% }' m9 u; K7 k7 X! A6 r<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>+ J; X. X2 ?# [( g) \+ m
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;;--------------</SPAN></P>
            . C+ L9 B. ~1 O4 l: I- [/ g<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">ring0_xHandler<SPAN style="mso-tab-count: 1">&nbsp;&nbsp; </SPAN><SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>proto C :DWORD,:DWORD,:DWORD,:DWORD</SPAN></P>% f' J# X2 ~# t8 Z1 i
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>.data</SPAN></P>* a1 N1 f3 q/ c1 H. R( o( u4 Y" I
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">szbuf<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>db 100 dup (0)</SPAN></P>
            3 [; |) g5 u4 A) d- j3 s- |<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">count<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>dd 0</SPAN></P>
            - z% \8 V* s- c<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;;-----------------------------------------</SPAN></P>
            , h3 D8 z+ d' g, c& W<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">.CODE</SPAN></P>1 H# o; X" S# z* c6 P$ R5 z8 G
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">_Start:</SPAN></P>
            ! T- Z5 q' p9 ~% a# |<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>assume fs:nothing</SPAN></P>" }4 e. n5 f. p. A7 r
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>offset ring0_xHandler</SPAN></P>; g9 ^' A$ H( x
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>fs:[0]</SPAN></P>, J. y6 Y; s; o% m' L, w1 X+ X
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>fs:[0],esp</SPAN></P>
              C: T4 n) r! g, f+ V# e<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;--------------------</SPAN></P>/ \9 a# f! O. _: v! C
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ecx,ds</SPAN></P>
            0 k4 x( E( q* f6 y5 @<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>test<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>ecx,100b</SPAN></P>9 g* y4 z# [) ^" ~% t& p
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jz<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>NT_2K_XP<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;NT/2K/XP has no LDT </SPAN></P>
            6 c, C* ]2 |/ H" d<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>pushfd</SPAN></P>9 q  B- T4 N) s, T/ X
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,esp</SPAN></P>
            0 h7 U9 ~$ d: o1 K0 l<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>' b  C& A: _7 e) ~  m
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>int<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>3</SPAN></P>
              h: @* i# }% D! [& J7 |$ ?<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,cr3<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;現(xiàn)在,正式宣布,進(jìn)入ring0! </SPAN></P>; n/ H5 L" g- [# k; y$ H
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;呵呵這樣簡(jiǎn)單就進(jìn)入ring0了,至于進(jìn)入</SPAN></P>$ X+ X! I3 @' n* n, p  J8 m2 K
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>ebx<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;ring0有啥用,不要問(wèn)我!</SPAN></P>3 w3 a* K# {7 F+ F6 k8 q
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>lea<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,offset _modi<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>;SMC</SPAN></P>5 f2 w: k3 v5 y( _! q0 S( W
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>byte ptr[ebx],75h ;修改jmp addinfo為jnz addinfo指令</SPAN></P>
            9 e# d4 d9 v9 J* [+ \<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>pop<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx</SPAN></P>8 ?3 K1 {) M, z- n0 ~. y' G/ o
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>8 ]2 u0 u7 Z$ v
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>edx<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;ss</SPAN></P>" z) A8 c4 b7 q/ Y
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>eax<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;esp</SPAN></P>( h& ?1 m! b* f; b, H; T
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[eax]<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;eflags<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            % @; \1 I: Q) V<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>ecx<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>;cs</SPAN></P>
            ; W  [0 W6 C1 V1 u<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>push<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>offset ring3back<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;eip</SPAN></P>
            ' m  a' t; v6 l: P& ?$ S8 x<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>iretd<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;這里是通過(guò)iretd 指令返回特權(quán)級(jí)3</SPAN></P>2 n$ E* K0 @- V: b6 ?) V& Q9 ]3 a/ _
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>  D+ H* p* [) P8 b- i% [
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">ring3back:</SPAN></P>
            6 k8 X& L4 o6 f9 ]1 m  A& g$ m<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>popfd</SPAN></P>
            ) |  a& c* Z+ a" B9 c% Q<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>wsprintf,addr szbuf,ddd("It's in ring0,please see CR3==%08X",0dh,oah,"following display Modified info..."),ebx</SPAN></P>
            ) n8 {: X- H0 G4 ?# K& `  L) n* c<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>MessageBox,0,addr szbuf,ddd("Ring0! by Hume[AfO]"),40h<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
            " k+ M9 F( M) Y* p1 o- s8 w<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>xor<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,eax</SPAN></P>1 ~) ~! K( |; [: B$ a
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;add<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,2</SPAN></P>
            : ~1 [' T, X$ m' S<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>.data</SPAN></P>1 C% B/ h5 w! s. L: p
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>Nosmc db "Not modified area!",0</SPAN></P>+ f7 a* G& B/ t2 F' Q# c& A
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>besmc db "haha,I am modified by self in ring0!",0</SPAN></P>+ F& R2 F$ O! k& a
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>.code</SPAN></P>
            . H# X: s# T- o6 Z2 g1 ~+ T4 t<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,offset Nosmc</SPAN></P>; s4 J: C8 L$ U
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,0</SPAN></P>
            $ n/ [1 f, B3 C9 E, X<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">_modi:</SPAN></P>' M! k- G" _9 t7 ]
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jmp<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>addinfo<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;SMC后將這里改為jnz addinfo </SPAN></P>
            . ^9 K% C8 h" [' N' E, X7 U<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>; f! Z8 o2 d; L+ Z5 @; `
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,offset besmc</SPAN></P>3 A  Z6 K- y& r3 U5 ~/ w" d; e
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,30h</SPAN></P>
            4 I7 Y7 p/ P4 R+ R, |<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">addinfo:</SPAN></P>
            7 u& Q9 J+ z5 c<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>MessageBox,0,ebx,ddd("Rin0 SMC test"),eax</SPAN></P>
            % ]) D* f, w% d: i8 W( j<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">_exit:</SPAN></P>/ y( u" K! z- f) G) R. C( }
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;--------------------<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            4 C8 ?1 c: K5 e6 ~; s. R* h<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>pop<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>fs:[0]</SPAN></P>9 ?( s/ |6 Z6 o. \3 r4 g2 U
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN>add<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>esp,4</SPAN></P># c0 r4 h" @( r5 d' Y) `
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>ExitProcess,0</SPAN></P>' R3 F' i( R, y! q, H& ?
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>
            & w1 _+ W6 o, U& {% V. U6 J<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">NT_2K_XP:</SPAN></P>
            7 I8 h5 `  K0 r  z6 a<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>MessageBox,0,ddd("The example not support NT/2K/Xp,only 9x!"),ddd("By hume"),20h</SPAN></P>5 M7 W3 R" |) J$ [
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jmp<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>_exit</SPAN></P>" C) A0 h2 {! h( [$ b; M4 C
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;-----------------------------------------</SPAN></P>
            9 ?' f# ~3 j: G/ ~7 d9 ]9 {5 N<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">ring0_xHandler PROC C pExcept:DWORD,pFrame:DWORD,pContext:DWORD,pDispatch:DWORD</SPAN></P>
            ) i# F- h& h+ h  z6 `- T  F4 M<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>pushad<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            1 X1 J5 g3 A1 Q<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">assume<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>edi:ptr CONTEXT</SPAN></P>
            5 \+ Q# A& `' I* N+ q1 G4 r! K<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">assume<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>esi:ptr EXCEPTION_RECORD</SPAN></P>2 |( I! P: R3 O2 z( M$ x& [! ~
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>% u7 n1 C; j4 U9 W" j( B
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>esi,pExcept</SPAN></P>
            " ]- b" `' C, c3 h: ~8 K<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>edi,pContext<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            - a; u# E) ^" p$ z<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>test<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esi+4],1<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;Exception flags</SPAN></P>
            4 r' [- i! n+ h+ H6 M# x- J* y<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jnz<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>@f<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>+ o( w( ~' p3 \; ]6 T
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>test<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esi+4],6</SPAN></P>9 G/ u( J( |( i) `
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jnz<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>@f</SPAN></P>" U4 t# q8 b% D' f) z2 K+ W; ^
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>cmp<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esi],80000003h<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;break ponit flag</SPAN></P>* {  ]" b# g" r8 B" i" K
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>jnz<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>@f<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            " I6 o& q) A* }% p" e<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            1 T1 i( B: s3 q/ F<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>m2m<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>[edi].regEcx,[edi].regCs<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;保存3級(jí)代碼段選擇子</SPAN></P>' z6 A  A+ |% W" o
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN>[edi].regCs,28h<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;0級(jí)代碼段選擇子</SPAN></P>2 T; a5 p+ j( P8 t$ Y
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>3 h! o- G5 `/ g, x
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>m2m<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>[edi].regEdx,[edi].regSs<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;保存3級(jí)堆棧段選擇子</SPAN></P>. c- T2 A0 h( y% A. \9 z
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>[edi].regSs,30h<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;0級(jí)堆棧選擇子</SPAN></P>9 G1 [+ B: o2 L1 k
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>
            " b& ?/ }1 K/ m2 |& P" ^<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esp+7*4],0</SPAN></P>- w& o8 S/ `+ G( {! x
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>popad<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            # M' F7 }% y, \<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ret</SPAN></P>
            7 ?- }7 b$ ^, @8 p; _. x<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">@@:</SPAN></P>
            ' c' d) b9 ~/ W+ ~6 N<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN>dword ptr[esp+7*4],1</SPAN></P>
              e2 x/ {+ W& a" A4 X<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>popad<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>7 Z7 `: c0 ^+ w, \3 z; }2 F
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ret</SPAN></P>
            - m) D, A5 a+ b, O<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">ring0_xHandler ENDP</SPAN></P>
              F3 N, ^9 N! _; S$ o( k6 |<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">;-----------------------------------------</SPAN></P>
            ! J7 e9 E" x' `6 s<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">END<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>_Start</SPAN></P>
            % i' q' k# _9 Z2 q0 o<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"></SPAN>&nbsp;</P>; Q8 X- j; O. p/ Z& a
            <P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;</SPAN>由于在NT/2K/XP下這種進(jìn)入ring0的方法不能使用,所以首先區(qū)別系統(tǒng)版本,如果是NT/2K/XP則拒絕執(zhí)行, 原理是在NT/2K/XP下沒(méi)有LDT,因此測(cè)試選擇子是否指向LDT,這是一種簡(jiǎn)單的方法,但不推薦使用, 最好使用GetVersionEx...至于</SPAN></P>
            % n7 R7 l0 f/ z7 x3 \<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esp+7*4],0</SPAN></P>
            . J& U6 K; Y) W. \& @' S4 }<P class=MsoNormal style="LAYOUT-GRID-MODE: char; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>popad<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>0 J, @% W$ z5 Y7 m; |7 p! z; k3 m
            <P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt"><SPAN style="mso-spacerun: yes">&nbsp;</SPAN>是返回eax=1的實(shí)現(xiàn)</SPAN></P>
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