標(biāo)題: NT的密碼究竟放在哪 [打印本頁] 作者: 雜七雜八 時間: 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文件里面,而是一些雜亂的暗碼,分別藏在7個不同的地方。這篇最新發(fā)表的文章告訴我們WindowsNT密碼隱藏的第八個地方。Date: Mon, 22 Feb 1999 11:26:41 +0100 ; k5 `2 }& a1 N n8 n* O1 Y- z( o( @, u5 @# z& R! k7 t" o! y% p
From: Patrick CHAMBET <pchambet@club-internet.fr> $ @, X9 \4 N, q4 b$ b+ P B" z, X3 z, ?; V% s0 a1 b
To: sans@clark.net * [8 l; @2 @6 l# P; M$ TSubject: Alert: IIS 4.0 metabase can reveal plaintext passwords ! @8 y" I! j0 E1 N2 i$ [! J# yHi all, : r4 i$ A/ R: I2 W+ QWe knew that Windows NT passwords are stored in 7 different places across8 I5 K6 ^7 I8 x/ {5 _
the system. Here is a 8th place: the IIS 4.0 metabase.2 a* u0 R2 ~7 t1 j4 R
IIS 4.0 uses its own configuration database, named "metabase", which can $ R# t* Q( T7 @0 ]1 Mbe compared to the Windows Registry: the metabase is organised in Hives, ) ^- K. e. w4 ]/ h9 s- G7 UKeys and Values. It is stored in the following file: ( g; v# H: o" L) y2 w7 G; J+ g! `C:\WINNT\system32\inetsrv\MetaBase.bin. u9 r" i' ]1 A+ W* L; |8 ^
The IIS 4.0 metabase contains these passwords:4 N( b' x! H) }; \+ Z
- IUSR_ComputerName account password (only if you have typed it in the . j9 v9 R( ~5 [/ W# ^# FMMC) ' K( l7 Q( x7 F8 t9 H/ b5 d- IWAM_ComputerName account password (ALWAYS !) X: i' U [5 J0 j" V! K& F
- UNC username and password used to connect to another server if one of ; i( Z8 q) Z% |1 t7 byour virtual directories is located there. * M5 w8 {5 X. |2 f) o# c2 N" o- The user name and password used to connect to the ODBC DSN called " _: d0 U3 g* F8 ^# h7 i"HTTPLOG" (if you chose to store your Logs into a database). " s: Y# H) Y- r) I+ j' Z' @Note that the usernames are in unicode, clear text, that the passwords are : R$ f% i6 ^/ i7 |2 m) q+ Q( Asrambled in the metabase.ini file, and that only Administrators and SYSTEM + P8 R, `1 {. Zhave permissions on this file.$ {( }3 g+ d1 J) l! b V& p( C
BUT a few lines of script in a WSH script or in an ASP page allow to print ; c+ w/ J( I- Fthese passwords in CLEAR TEXT. " M2 r2 a) l0 Q2 t; eThe user name and password used to connect to the Logs DSN could allow a8 q. S/ K$ k5 |5 H1 c: t
malicious user to delete traces of his activities on the server. ) Z, W$ K( V5 S6 _Obviously this represents a significant risk for Web servers that allow/ B) }' g' z' N; V, K
logons and/or remote access, although I did not see any exploit of the. x( n& p# k: a7 ^
problem I am reporting yet. Here is an example of what can be gathered:" ]3 a# B3 M! ]- n6 G0 A% |. i
" ( k, F# n! Q' d* ]* m, W9 ?: b5 z; @IIS 4.0 Metabase. C! |% J2 T. p% a
?Patrick Chambet 1998 - pchambet@club-internet.fr' a3 L R* Y/ h. a9 ]* H9 ]
--- UNC User --- + V. n8 O# Z X7 u2 PUNC User name: 'Lou' + U+ p$ g; i" h9 w( Y& O+ PUNC User password: 'Microsoft' . `8 m( M* t! P$ j' s$ p7 fUNC Authentication Pass Through: 'False' - A, _ ?8 U/ L* s' C: a--- Anonymous User ---1 k& w* w9 N- l- b) B5 T% F
Anonymous User name: 'IUSR_SERVER'. |* N. |- J' {8 a5 I A; w
Anonymous User password: 'x1fj5h_iopNNsp' 6 t5 M4 m9 |4 lPassword synchronization: 'False'6 v& ^; A# @& r0 G% @4 @: n* L& S) K/ X
--- IIS Logs DSN User ---& \% B$ m1 d( ?5 A/ y
ODBC DSN name: 'HTTPLOG' 9 l0 Z8 r, n) FODBC table name: 'InternetLog' : j4 F. \% C0 pODBC User name: 'InternetAdmin'" J+ I& g& F9 u6 A8 B1 R. `) H
ODBC User password: 'xxxxxx' , Z- S1 M7 j$ Z5 d$ M5 [7 W--- Web Applications User ---4 ^1 o) L& I6 f9 a
WAM User name: 'IWAM_SERVER' & K8 ^ w2 X4 y" o& cWAM User password: 'Aj8_g2sAhjlk2' * e: G# k; h! H6 n" |Default Logon Domain: ''8 [! V9 A) D9 ]$ v5 y8 L% r
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For example, you can imagine the following scenario:$ a$ F! J0 {3 c* ~/ l: D* T2 e
A user Bob is allowed to logon only on a server hosting IIS 4.0, say9 t# K9 A& ~" ]: ^' c. h
server (a). He need not to be an Administrator. He can be for example ( J* ?2 z( k; U0 Uan IIS 4.0 Web Site Operator. Then, he launches a WSH script that extracts# a9 s5 R4 K% c/ i
the login name and password of the account used to access to a virtual& w" p$ ?+ C( }) [1 c" v
directory located on another server, say (b).0 ~; B* h& ]# k* y+ x$ h' A; f$ V
Now, Bob can use these login name and passord to logon on server (b). % F% W# d* j0 L {And so forth... 9 L5 M" g9 G- `! J' z( v# q& OMicrosoft was informed of this vulnerability. ; q# d" h$ s% A/ e3 q_______________________________________________________________________ . T, m4 h; z# zPatrick CHAMBET - pchambet@club-internet.fr 1 v& F) E) ^! ]0 S' f' F! aMCP NT 4.02 A( q6 d: E4 O9 P& V; w6 ?
Internet, Security and Microsoft solutions % U! F2 X) e0 Fe-business Services m- a( v" `; T3 N% AIBM Global Services) ^0 X# P3 S0 H7 B8 ^