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Re: Sanity Check for password change - unsuccessful attempt
From: rmkml <rmkml () yahoo fr>
Date: Wed, 22 May 2013 23:28:56 +0200 (CEST)
Hi Khawaja, thx you for sharing rule,I have "changepw" but not on 88/tcp to_client side, found on 464/tcp to_server side...
Anyone fire this rule please? Regards @Rmkml On Wed, 22 May 2013, Khawaja, Kaleem wrote:
All, My first attempt at writing this rule and will appreciate the keen eyes of the experts here. If you can do a quick sanity check for me and let me know if the syntax and the logic will work. Basically trying to alert on unsuccessful attempts for changing passwords in AD. alert tcp any 88 -> any any (msg:"Password Change attempt - 20130522"; flow:to_client,established; content:"|05|"; offset:14; depth:1; content:"|1e|"; distance:4; within:1; content:"|18|"; distance:30; within:1; content:"changepw"; distance:30; within:8; nocase; detection_filter:track by_src, count 4, seconds 120; classtype:attempted-user; sid:10000061; rev:1; ) regards, Kaleem Khawaja
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Current thread:
- Sanity Check for password change - unsuccessful attempt Khawaja, Kaleem (May 22)
- Re: Sanity Check for password change - unsuccessful attempt Joel Esler (May 22)
- Re: Sanity Check for password change - unsuccessful attempt rmkml (May 22)