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Re: Aumlib malware
From: Y M <snort () outlook com>
Date: Mon, 12 Aug 2013 16:39:43 +0000

I meant to download it locally from the url to a test box and capture the traffic.
YM

Date: Mon, 12 Aug 2013 11:40:00 -0400
From: ned () mysterymachine info
To: snort-sigs () lists sourceforge net
Subject: Re: [Snort-sigs] Aumlib malware


  
    
  
  
    sample in question
      (832f5e01be536da71d5b3f7e41938cfb) can be found on VT.

      

https://www.virustotal.com/en/file/c77afbe515536773777afebf500088e5b61cf23a6f527e6e39c0895e7be223c7/analysis/

      

      -Ned

      

      On 8/12/13 11:16 AM, Y M wrote:

    
    
      Tried to get a sample of the executable from the urls mentioned in the reference but wasn't able to. Need more 
testing:
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Backdoor.Aumlib GET request"; 
flow:to_server,established; content:"GET"; http_method; content:"/buy-sell/"; http_uri; content:"search.asp"; http_uri; 
metadata: impact_flag red, policy balanced-ips drop, policy security-ips drop, ruleset community, service http; 
reference:url, fireeye.com/blog/technical/2013/08/survival-of-the-fittest-new-york-times-attackers-evolve-quickly.html; 
classtype:trojan-activity; sid:100023; rev:1;)
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Backdoor.Aumlib POST request"; 
flow:to_server,established; content:"POST"; http_method; content:"/bbs/"; http_uri; content:"search.asp"; nocase; 
http_uri; metadata: impact_flag red, policy balanced-ips drop, policy security-ips drop, ruleset community, service 
http; reference:url, 
fireeye.com/blog/technical/2013/08/survival-of-the-fittest-new-york-times-attackers-evolve-quickly.html; 
classtype:trojan-activity; sid:100022; rev:1;)
Thanks.YM                                         

      

      
      

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------------------------------------------------------------------------------
Get 100% visibility into Java/.NET code with AppDynamics Lite!
It's a free troubleshooting tool designed for production.
Get down to code-level detail for bottlenecks, with <2% overhead. 
Download for free and get started troubleshooting in minutes. 
http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk
_______________________________________________
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http://www.snort.org


Please visit http://blog.snort.org for the latest news about Snort!

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