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Network Security Snort-Signatures
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RE: [Snort-sigs] help with LSASS rule

Subject: RE: [Snort-sigs] help with LSASS rule
Date: Mon, 13 Sep 2004 12:47:51 -0400
I would consult the docs, this rule would be alot to explain..  

-----Original Message-----
From: snort-sigs-admin@lists.sourceforge.net
[mailto:snort-sigs-admin@lists.sourceforge.net] On Behalf Of Wohlberg,
Jonathan
Sent: Monday, September 13, 2004 8:26 AM
To: snort-sigs@lists.sourceforge.net
Subject: [Snort-sigs] help with LSASS rule



I am trying to figure out how this rule works. Any help breaking it down
would be appreciated.

Jon

 

alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"NETBIOS SMB-DS DCERPC
LSASS DsRolerUpgradeDownlevelServer exploit attempt";
flow:to_server,established; flowbits:isset,netbios.lsass.bind.attempt;
content:"|FF|SMB"; depth:4; offset:4; nocase; content:"|05|";
distance:59; content:"|00|"; within:1; distance:1; content:"|09 00|";
within:2; distance:19; reference:bugtraq,10108; reference:cve,2003-0533;
reference:url,www.microsoft.com/technet/security/bulletin/MS04-011.mspx;
classtype:attempted-admin; sid:2514; rev:7;)

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