[Snort-sigs] Win.Trojan.COMRat

Phillip Lee phillile at sourcefire.com
Tue May 1 10:34:31 EDT 2018


Yaser,

Thanks for your submission. We will review the rules and get back to you when they're finished. 

Regards,
Phil Lee
Cisco Talos

> On May 1, 2018, at 9:15 AM, Y M via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> 
> Hi,
> 
> This one also has no pcaps. The traffic from the references and subsequent references made it a little clearer.
> 
> # Title: Turla COMRat
> # Tests: syntax only
> # Reference: https://www.virustotal.com/#/file/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c/detection <https://www.virustotal.com/#/file/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c/detection>, https://www.vmray.com/analyses/97328f00d5dc/report/overview.html <https://www.vmray.com/analyses/97328f00d5dc/report/overview.html>,https://www.hybrid-analysis.com/sample/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c?environmentId=100 <https://www.hybrid-analysis.com/sample/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c?environmentId=100>, https://twitter.com/DrunkBinary/status/990386981225025536 <https://twitter.com/DrunkBinary/status/990386981225025536>
> 
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.COMRat outbound connection attempt"; flow:to_server,established; content:"/index/index.php?"; fast_pattern:only; http_uri; content:"h="; http_uri; content:"&d="; http_uri; content:"|3B| MSIE 7.0|3B|"; http_header; metadata:ruleset community, service http; reference:url,www.virustotal.com/#/file/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c/detection <http://www.virustotal.com/#/file/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c/detection>; reference:url,twitter.com/DrunkBinary/status/990386981225025536 <http://twitter.com/DrunkBinary/status/990386981225025536>; classtype:trojan-activity; sid:8000029; rev:1;)
> 
> Thanks.
> YM
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