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

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            發(fā)表于 2008-9-28 16:36:07 | 只看該作者 |倒序瀏覽 |閱讀模式
            <FONT face=宋體 size=2>一、ring0!并不遙遠(yuǎn)...</FONT>, g# F: S5 a- n, t" |! a* x, 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; </SPAN></SPAN></P>$ S& V9 `* E, 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; </SPAN>作為seh的一個有趣的應(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只是其中較簡單的一種.打開調(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,這在用下述簡單方法進(jìn)入ring0后執(zhí)行會產(chǎn)生錯誤,因此,我們在ring0下盡快完成需要完成的任務(wù),然后迅速返回ring3.</SPAN></P>
            - O  C% [+ E' k& n9 n% 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 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>  x- d3 B. M0 R! H' i. 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>
            1 Z  Q. 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">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kernel調(diào)試器看看例子程序取到的值是否正確.</SPAN></P>- q( s: f& B2 |$ z# P$ z6 J. 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">2.修改代碼段后面的jmp ****代碼,這在通常情況下只會導(dǎo)致保護(hù)錯誤.而在ring0下是可以的,就像在前面例子中用she實現(xiàn)SMC的效果是一樣的,最后顯示幾個MsgBox,證明我們曾經(jīng)到達(dá)過ring0</SPAN></P>: [( s* j: i+ M# z6 I! _5 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>&nbsp;</P>% N& q4 F" u' D% e3 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 style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">這個例子是參考<SPAN lang=EN-US>owl的那個nasm寫的例子用masm改寫,并增加ring0下SMC的代碼部分以作演示.另外代碼中iretd指令并不是簡單實現(xiàn)跳轉(zhuǎn),而是實現(xiàn)從ring0切回ring3的功能,在變換代碼特權(quán)級的同時,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>
            ( @8 b) R5 G* q+ q' \+ 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>&nbsp;</P>- y. i5 P2 N# b' U# Z5 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 style="FONT-SIZE: 10pt; FONT-FAMILY: 宋體; mso-bidi-font-size: 12.0pt">別的不說<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>' `2 C: [9 l9 ^
            <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>4 ^5 r- o) T8 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>$ O# G& B5 @& A6 p3 |# 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">;Ex6,演示利用seh進(jìn)入ring0! by Hume,2002</SPAN></P>
            5 s" ]; n+ Y, G" D3 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">;humewen@21cn.com </SPAN></P>
            7 d7 y! D, L6 R# V5 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">;hume.longcity.net</SPAN></P>0 ~+ H' N; i1 l  n! `3 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></P>
            5 ]) x, t4 h& 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">.586</SPAN></P>9 o5 E7 J' D( N( O8 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">.model flat, stdcall</SPAN></P>
            0 W9 ]$ z' E8 t2 [8 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">option casemap :none<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>; case sensitive</SPAN></P>
            8 o' M: I  N! t" k- s# Y. e: 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">include hd.h</SPAN></P>3 L. E' y( e9 N' w# 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">include mac.h</SPAN></P>8 H" F. v4 q$ A; 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>&nbsp;</P>& M$ f3 a' Q2 F6 `
            <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>
            % {2 o4 ?7 ^+ e1 T3 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">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>5 a3 d* Q( `4 [" _: D8 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>.data</SPAN></P>, A/ p+ j4 r) q# j% 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">szbuf<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>db 100 dup (0)</SPAN></P>! [) r* D; h8 K- 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">count<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>dd 0</SPAN></P>
            # n. n  ~. s: 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>' q: }9 n( J4 @4 Z" n$ g9 y- x5 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">.CODE</SPAN></P>
            5 f9 ^5 X0 K' W8 y" 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">_Start:</SPAN></P>
            0 m0 K' P! M( f0 L$ u4 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>assume fs:nothing</SPAN></P>6 m  `. E4 o; @' n7 c5 B; 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-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>
            - G& }9 e5 B& l% g  T! {$ 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 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>5 b5 g4 m' q+ o2 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 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>  E9 k  ]9 G1 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>
            2 I5 Y  t. R# R1 |<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>& X7 M# B' U- L9 _$ 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>ecx,100b</SPAN></P># K3 @5 m7 K6 k4 G, O4 L2 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>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 O* I: ?* M; z* \/ 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>pushfd</SPAN></P>$ l$ G& ?1 O& t7 V# l8 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>eax,esp</SPAN></P>
            & U; |5 P- T* 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>&nbsp;</P>$ ?  @6 C' R* c6 o" 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>int<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>3</SPAN></P>
            - K* W4 Z% m& t1 E+ 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>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>% H6 h+ {6 K8 ?4 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;&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>;呵呵這樣簡單就進(jìn)入ring0了,至于進(jìn)入</SPAN></P>5 Q) K) o+ P7 ~/ y7 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>ebx<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>;ring0有啥用,不要問我!</SPAN></P>
            ( ?1 a7 f& r, H9 f. f# w0 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>lea<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,offset _modi<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>;SMC</SPAN></P>! J4 Z8 X  w% z+ O9 U  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; </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>
            / Q, k, M7 K8 U$ 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>pop<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx</SPAN></P>1 E! }% g" b$ _+ 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>&nbsp;</P>' ?+ Q. G7 I4 H8 _/ 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>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>
            & l, Y9 o1 r% D9 e5 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>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( i' b; d5 i, h7 x1 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>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>
            . W. d& V; |2 `5 R9 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>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>
            ( k' ], Y* x) A9 U8 [! {<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>" A4 }* Q& t; {! K7 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>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iretd 指令返回特權(quán)級3</SPAN></P>
            , s+ y; ^; h! j0 s! s+ r5 A+ G; 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>&nbsp;</P>
            8 G3 r' S0 C" [. 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">ring3back:</SPAN></P>0 k5 ]& _5 m, h4 J- g, V$ 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>popfd</SPAN></P>% L4 h: h" m* z, z7 B, c' Y3 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 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>
            . D1 H4 G- Q# J$ g8 w* 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>
            7 [) U1 N# t' F; c, i2 o( C" Q% G+ 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>xor<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,eax</SPAN></P>, z" H: Q! A5 a, E% ^$ 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-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>6 y9 j2 {% S6 {, 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-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>.data</SPAN></P>. T8 b# J! \' B0 T5 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>Nosmc db "Not modified area!",0</SPAN></P>
            9 C, q, w7 b' G- ], q0 j- W9 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>besmc db "haha,I am modified by self in ring0!",0</SPAN></P>) R' O) O* s, [( k8 Z$ n; 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; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>.code</SPAN></P>  A! G; W7 `& F1 B( 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;&nbsp; </SPAN>ebx,offset Nosmc</SPAN></P>
            4 g' \) U& R& 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>eax,0</SPAN></P>: ]7 ]% B& [: W2 \
            <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>* F+ c0 @  A! _' 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;</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>
            7 U+ a/ K5 p! X6 ?  ^! 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>0 O$ U: u- E9 R( o* |! ]+ q+ C6 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>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ebx,offset besmc</SPAN></P>+ l  ], c% }+ r. f* 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>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>eax,30h</SPAN></P>
            7 Z' Q9 m" l. n2 y; ^% M1 v8 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">addinfo:</SPAN></P># h+ d5 M1 Q; O& ^/ 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>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>MessageBox,0,ebx,ddd("Rin0 SMC test"),eax</SPAN></P>+ U1 d: J5 T/ A- 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">_exit:</SPAN></P>
            + z( @( u7 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>;--------------------<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>% t7 b- H5 d  n2 H$ H9 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>pop<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>fs:[0]</SPAN></P>
            2 G6 `) D& l) o& o  u9 R. U4 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; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;</SPAN>add<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>esp,4</SPAN></P>; K2 S. n6 T6 g1 s0 R; V. 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>invoke<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>ExitProcess,0</SPAN></P>
            8 C7 i5 _, G- h/ x  ^' 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>
            . Z5 g' k: m% P% `  W* }7 l, 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">NT_2K_XP:</SPAN></P>
            5 j" r9 _% z% U* P8 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>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>
            ' v* i# C0 a) j9 B6 ~1 H8 |<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>! f: [- n: V) e6 P" 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></P>/ e" r8 y* ~( J) 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">ring0_xHandler PROC C pExcept:DWORD,pFrame:DWORD,pContext:DWORD,pDispatch:DWORD</SPAN></P>
            1 K& j+ j1 U8 C( D+ 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 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>
            7 e5 S( G9 ]. L2 G% S" h3 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>& ^3 B6 f" P7 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">assume<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>esi:ptr EXCEPTION_RECORD</SPAN></P>
            % r8 I9 H% {; 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>&nbsp;</P>
            7 r& b: ]8 c) f6 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>mov<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>esi,pExcept</SPAN></P>4 H/ j0 ?2 R! 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>edi,pContext<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>
            " @: k: B/ x4 [/ R9 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>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>' J, v/ J6 @5 P( G- D7 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>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>. @) c$ ?4 u. v4 d# H. 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>test<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>dword ptr[esi+4],6</SPAN></P>
            + N; S0 k2 H) Y0 B2 ]: ^" 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 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>: `( c' B, q0 ~2 P( v% f! 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 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>
            + y+ @: C- C3 m  ]' J: x9 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>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>
            3 p, [3 s2 u( s9 a- J* @& U* 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></SPAN></P>
            3 {5 J. c; \3 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>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級代碼段選擇子</SPAN></P>! V. |! Q; 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; </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級代碼段選擇子</SPAN></P>
            ! V! N' W8 _; 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>&nbsp;</P>; {; p7 v- E3 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>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級堆棧段選擇子</SPAN></P>
            4 j/ Z4 ?( G! 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].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級堆棧選擇子</SPAN></P>" o* ~* Y$ G$ u2 l( B) b2 \
            <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>
            1 |. N& ^, x2 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-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>
            ; H, A6 b" P) G% P/ 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 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>% F' g# O! l% B7 U4 e! A* 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-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>ret</SPAN></P>% P# _! G: h$ ^" 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></P>
            6 g4 j1 \3 Q$ X% y0 S' T) N, 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; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN>dword ptr[esp+7*4],1</SPAN></P>" D/ G; i9 A. a: T, K( ~# K( ^" {0 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>
            2 g$ {5 W) d7 g3 Z$ N! h( N# ?2 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>ret</SPAN></P>- S5 M* X6 R: i0 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">ring0_xHandler ENDP</SPAN></P>
            / U/ |& \% x# q+ ~% y' a) 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></P>
            & q! |1 l( Z' W% @: L2 s  F/ 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">END<SPAN style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>_Start</SPAN></P>: B, ]; o- 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>&nbsp;</P>+ }5 M+ i/ Y3 ~* B2 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;</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下沒有LDT,因此測試選擇子是否指向LDT,這是一種簡單的方法,但不推薦使用, 最好使用GetVersionEx...至于</SPAN></P>
            ( c2 T2 ^3 a# v# b& Q7 \<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>
            . {3 J: @, z3 U: ~- L: y, C+ ^) e$ 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;&nbsp; </SPAN>popad<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></P>2 j8 `) x* ^+ e5 K! E
            <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的實現(xiàn)</SPAN></P>
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