標(biāo)題: NT的密碼究竟放在哪 [打印本頁] 作者: 雜七雜八 時(shí)間: 2011-1-12 21:01 標(biāo)題: NT的密碼究竟放在哪 根據(jù)以前的發(fā)現(xiàn),windowsNT密碼雖然不象Windows95那樣以簡單加密形式包含在一個(gè)文件里面,而是一些雜亂的暗碼,分別藏在7個(gè)不同的地方。這篇最新發(fā)表的文章告訴我們WindowsNT密碼隱藏的第八個(gè)地方。Date: Mon, 22 Feb 1999 11:26:41 +0100 - d1 i( Y( Z2 y 4 [4 ]- V: G# |1 s& T3 N7 x y$ |) vFrom: Patrick CHAMBET <pchambet@club-internet.fr>' t8 f) p; a, A6 @, x0 @. j9 H/ x% O
% L: ~/ R/ R( q1 m! G- g' ]. k* R
To: sans@clark.net W' a" x- f! h/ j$ C9 K( J
Subject: Alert: IIS 4.0 metabase can reveal plaintext passwords ! P1 `# N" W) v/ THi all,6 J. W; @0 F% h4 z, E* F* L9 j
We knew that Windows NT passwords are stored in 7 different places across ' q3 d o: [: ~/ B8 c4 C4 Nthe system. Here is a 8th place: the IIS 4.0 metabase.. I0 D. T; t( A8 G
IIS 4.0 uses its own configuration database, named "metabase", which can% v% d7 y" w6 b) \" ^/ p( n" S
be compared to the Windows Registry: the metabase is organised in Hives," M" F% f7 T1 h% d R, V
Keys and Values. It is stored in the following file:9 b. l( f# ]6 K- f5 Z* S
C:\WINNT\system32\inetsrv\MetaBase.bin ' E" Y: H! K0 ^% j+ y+ ?7 W) N- wThe IIS 4.0 metabase contains these passwords:: y" u! ~" w! u5 ^ s2 `( m
- IUSR_ComputerName account password (only if you have typed it in the 3 d" W0 p8 q5 k0 W6 v, mMMC), n7 j% B- \6 X+ Q8 E7 ^
- IWAM_ComputerName account password (ALWAYS !) * M' @4 U* x: ?* m: H( c; e- UNC username and password used to connect to another server if one of ) G, n( p/ ~9 w8 [your virtual directories is located there. / U2 J3 u( B! h! D+ I8 d+ z. C- The user name and password used to connect to the ODBC DSN called ' \3 b( y& o, i; q"HTTPLOG" (if you chose to store your Logs into a database).. y0 l" [/ i/ X/ y' u
Note that the usernames are in unicode, clear text, that the passwords are: J2 z, d, `2 U( K! [
srambled in the metabase.ini file, and that only Administrators and SYSTEM. H: v2 \+ R w3 w4 {$ _
have permissions on this file. : z$ X2 C- V+ Q: g! p& X5 d+ gBUT a few lines of script in a WSH script or in an ASP page allow to print% V- K4 W$ A; \0 y6 H
these passwords in CLEAR TEXT. i1 m' f7 Z, |The user name and password used to connect to the Logs DSN could allow a" x" ~# \" _2 g) o7 i ~! a# n& E
malicious user to delete traces of his activities on the server.2 L- ]& v% ~- ^( O+ L
Obviously this represents a significant risk for Web servers that allow ! S$ z: b* e& d0 G ?logons and/or remote access, although I did not see any exploit of the# ~) k% x- u9 _0 l0 s
problem I am reporting yet. Here is an example of what can be gathered: $ l8 m0 l4 I1 b" 7 t; j* H7 l* BIIS 4.0 Metabase 7 V9 O! H/ i0 |" \- ~?Patrick Chambet 1998 - pchambet@club-internet.fr \: w7 _8 q5 D: t--- UNC User --- : z+ x! P+ ~+ ^9 [- n/ T- [9 aUNC User name: 'Lou'8 Y7 w: c+ S" M& ~, Q6 S9 @. p8 d0 M
UNC User password: 'Microsoft' & A) S9 G& z8 P& i0 H) BUNC Authentication Pass Through: 'False': u: s' @( J# {
--- Anonymous User ---4 u( H8 b e" q: H) H, [
Anonymous User name: 'IUSR_SERVER'$ f, T& N( \7 Q% h$ {) z
Anonymous User password: 'x1fj5h_iopNNsp'7 m* A4 S' z, V3 U% W
Password synchronization: 'False'+ d$ ?5 f) C {
--- IIS Logs DSN User ---* F9 C; y; |2 o) F% Z
ODBC DSN name: 'HTTPLOG'( U. D1 r9 \& }/ }- q
ODBC table name: 'InternetLog'4 c1 g) y. v- i9 h/ q; y) l
ODBC User name: 'InternetAdmin' , @' e, }' z; V/ n* Z7 I$ N- Y, `" vODBC User password: 'xxxxxx'8 G. [( O" d# } a& h, V
--- Web Applications User --- ) c& {( A0 u( K7 w; o' u0 BWAM User name: 'IWAM_SERVER'1 n7 Q/ Q7 Q, f
WAM User password: 'Aj8_g2sAhjlk2'0 O; {" z2 o8 k: v; A0 ^; x
Default Logon Domain: '' 2 d* _( ^! K" e+ H( r8 T& z/ B+ f& ?" 8 j e' s0 Y1 Y* k' |, sFor example, you can imagine the following scenario:' a u- n" J0 a, v3 b: u, u
A user Bob is allowed to logon only on a server hosting IIS 4.0, say * R" V0 _+ Z0 D6 T8 kserver (a). He need not to be an Administrator. He can be for example 6 d/ A. z. r! S; H* b( @: Zan IIS 4.0 Web Site Operator. Then, he launches a WSH script that extracts2 {) t6 A+ l9 l
the login name and password of the account used to access to a virtual8 P4 S& Q' z5 \+ t$ @, ^
directory located on another server, say (b). ) ~4 n" _' I) u! DNow, Bob can use these login name and passord to logon on server (b).; V# y! z6 f6 Y3 U" l. l
And so forth... $ P' l* Q: d, b( eMicrosoft was informed of this vulnerability. . N: K+ w! A3 R8 ^1 i7 {& P D_______________________________________________________________________ # A) ~, j0 `" A! E( v R/ xPatrick CHAMBET - pchambet@club-internet.fr: b# C/ |9 G" O1 _' s
MCP NT 4.00 p1 e2 _) F$ k7 v5 {( f2 X% `1 I, \
Internet, Security and Microsoft solutions! q1 s G+ @) S! D$ Q8 C
e-business Services $ J% }. r; r ZIBM Global Services 1 g: r1 M6 t( _ `6 B