Re: Aumlib malware

[Joel Esler <jesler () sourcefire com>]

This resulted in 7 rules:

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On Aug 12, 2013, at 12:39 PM, Y M <snort () outlook com> wrote:

> 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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