標(biāo)題: NT的密碼究竟放在哪 [打印本頁(yè)] 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(jiǎn)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 8 k& H Y- S* r2 X2 f; }' e+ B `: y2 X3 D) u
From: Patrick CHAMBET <pchambet@club-internet.fr> 6 k+ B* L: P: p7 R" k! W) N7 X * |& S6 ^; [1 n4 k$ ^( eTo: sans@clark.net 9 t% q; ?8 `# T3 @) }Subject: Alert: IIS 4.0 metabase can reveal plaintext passwords ) s, P. U" ^7 KHi all,. e* x% g; y r
We knew that Windows NT passwords are stored in 7 different places across, F7 D6 u( m' }+ M) A7 _: Q
the system. Here is a 8th place: the IIS 4.0 metabase.6 {$ K: i" q3 v6 V' ~" L
IIS 4.0 uses its own configuration database, named "metabase", which can# R) a8 {( L+ ~. t8 T& d8 u" C
be compared to the Windows Registry: the metabase is organised in Hives,& p0 a$ m. }. Y) D
Keys and Values. It is stored in the following file:# o5 G9 a: |6 ` L" d: l( E
C:\WINNT\system32\inetsrv\MetaBase.bin ' o- C( [/ L c& A. L6 XThe IIS 4.0 metabase contains these passwords: ) H# J, F3 M9 l# r+ C- IUSR_ComputerName account password (only if you have typed it in the' ^5 H* `/ i8 U. q4 m
MMC)2 C- k) @, e$ x' x8 d2 d! N
- IWAM_ComputerName account password (ALWAYS !) * L \ @* X) p; w& y5 r: Z- UNC username and password used to connect to another server if one of5 n: f3 T' r' n2 [
your virtual directories is located there.$ v. I8 `. } s6 d. S {# Y
- The user name and password used to connect to the ODBC DSN called4 N2 b0 D! p: ]! { O
"HTTPLOG" (if you chose to store your Logs into a database). $ g; _0 c' x m# O" pNote that the usernames are in unicode, clear text, that the passwords are# L0 i6 r/ k4 z( j1 L7 o
srambled in the metabase.ini file, and that only Administrators and SYSTEM . ?$ ?! B* w2 thave permissions on this file.2 {( N! y8 f; O
BUT a few lines of script in a WSH script or in an ASP page allow to print ( A) h1 Z4 o3 t: q* Ythese passwords in CLEAR TEXT. 7 w: X4 e; T+ A( p/ ]9 EThe user name and password used to connect to the Logs DSN could allow a0 h! T% ?( Z% Q' j6 j/ y* [ Z4 g8 m
malicious user to delete traces of his activities on the server.: A- Q8 F1 [( n- r+ z1 t, I
Obviously this represents a significant risk for Web servers that allow 0 [0 S# k$ t1 c) l$ y0 Dlogons and/or remote access, although I did not see any exploit of the- [8 y$ B9 A |8 \8 O2 v
problem I am reporting yet. Here is an example of what can be gathered: ( ?. j( t* [7 {3 u"0 v. S1 ]3 N5 {4 d$ E- Z
IIS 4.0 Metabase$ ?# F' Q, {% q
?Patrick Chambet 1998 - pchambet@club-internet.fr ! }& i3 w2 [: {; a( b4 m& G--- UNC User ---3 L" W4 d K8 ~- ^& L
UNC User name: 'Lou'0 c" `8 X4 f* K; h" ^# g" F
UNC User password: 'Microsoft' % H& r' Q1 ?% u6 S6 x: [$ E, O- UUNC Authentication Pass Through: 'False' & V, E; p4 E8 u/ ^9 R, W--- Anonymous User --- R2 |8 \- e8 W0 q4 {2 GAnonymous User name: 'IUSR_SERVER'3 _- v. ?- D/ i3 Y2 L2 d
Anonymous User password: 'x1fj5h_iopNNsp'5 v8 P* N/ l& x5 Q% z
Password synchronization: 'False': q( L* Z) p* A% R- k
--- IIS Logs DSN User ---% Z1 _# v( j0 C* e8 t) O0 n! C' t
ODBC DSN name: 'HTTPLOG'6 P; r8 ]0 M$ o: q$ E& a& ]5 ?
ODBC table name: 'InternetLog'4 \4 @, m# H: |$ v
ODBC User name: 'InternetAdmin' 5 r# g1 G* ~: F) e0 ?/ ~ODBC User password: 'xxxxxx'/ D# [4 A+ E* U
--- Web Applications User --- p* U, {& D0 ~! B/ ]
WAM User name: 'IWAM_SERVER'; i, {9 G) `2 }$ }; l
WAM User password: 'Aj8_g2sAhjlk2'/ v: x; N f1 L, o' M% z' [8 H
Default Logon Domain: '' 2 v- [9 q+ [& ^"; g; l' T9 I; N" `) S
For example, you can imagine the following scenario:0 @( s8 y! u, q% n9 G! K4 F
A user Bob is allowed to logon only on a server hosting IIS 4.0, say F9 F: V& T5 b! A
server (a). He need not to be an Administrator. He can be for example / q% s; k M1 x0 Van IIS 4.0 Web Site Operator. Then, he launches a WSH script that extracts s- N0 W' t+ |0 n- c, h
the login name and password of the account used to access to a virtual- C0 |% Z( B# a; h
directory located on another server, say (b). : o4 ?- {* @. z" QNow, Bob can use these login name and passord to logon on server (b). ( m1 \+ R* Y- k- d; R, i# qAnd so forth... 4 M7 D& C) B# P& ]: e1 d* }0 kMicrosoft was informed of this vulnerability. & Y1 h7 U" E) W6 i. o: `_______________________________________________________________________ , y6 x$ t6 p) dPatrick CHAMBET - pchambet@club-internet.fr ) {- O5 t1 u6 qMCP NT 4.0 8 p& ~3 |1 M) i" _ {Internet, Security and Microsoft solutions . q1 q) g9 `% T8 ]e-business Services . `5 n. R4 O" @3 ?0 t! g3 L- |* ^IBM Global Services6 Y( j" ^, p( \$ _/ G