Win.Trojan.COMRat

[Y M via Snort-sigs <snort-sigs () lists snort org>]

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.vmray.com/analyses/97328f00d5dc/report/overview.html, 
https://www.hybrid-analysis.com/sample/97328f00d5dc6d72f7a1a5c75e6991135183ffeef10e1a6a49dab7cba2eb7f6c?environmentId=100,
 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; 
reference:url,twitter.com/DrunkBinary/status/990386981225025536; classtype:trojan-activity; sid:8000029; rev:1;)

Thanks.
YM

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