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Re: [Emerging-Sigs] Blackrev C2 sigs
From: Will Metcalf <wmetcalf () emergingthreatspro com>
Date: Tue, 21 May 2013 15:26:18 -0500

yep. got these and more going in today :)


On Tue, May 21, 2013 at 3:25 PM, James Lay <jlay () slave-tothe-box net> wrote:

Enjoy:

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.BlackRev Rev 1 C2 Traffic"; content:"GET"; http_method;
content:"gate.php|3f|reg="; http_uri; pcre:"/gate\x2ephp\x3freg=[a-**z]{10}/m";
content:"User-Agent|3a| Mozilla/4.0 (compatible|3b| Synapse)|0d 0a|";
http_header; metadata:policy balanced-ips drop, policy security-ips drop,
ruleset community service http; reference:url,http://ddos.**
arbornetworks.com/2013/05/the-**revolution-will-be-written-in-**delphi<http://ddos.arbornetworks.com/2013/05/the-revolution-will-be-written-in-delphi>;
classtype:trojan-activity; sid:10000066; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.BlackRev Rev 2 C2 Traffic"; content:"GET"; http_method;
content:"gate.php|3f|reg="; http_uri; pcre:"/gate\x2ephp\x3freg=[a-**z]{15}/mi";
content:"User-Agent|3a| Mozilla/4.0 (compatible|3b| SEObot)|0d 0a|";
http_header; metadata:policy balanced-ips drop, policy security-ips drop,
ruleset community service http; reference:url,http://ddos.**
arbornetworks.com/2013/05/the-**revolution-will-be-written-in-**delphi<http://ddos.arbornetworks.com/2013/05/the-revolution-will-be-written-in-delphi>;
classtype:trojan-activity; sid:10000067; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
Win.Trojan.BlackRev Rev 3 C2 Traffic"; content:"GET"; http_method;
content:"gate.php|3f|id="; http_uri; pcre:"/gate\x2ephp\x3fid=[a-z]**{15}/mi";
content:"User-Agent|3a| Mozilla/4.0 (compatible|3b| SEObot)|0d 0a|";
http_header; metadata:policy balanced-ips drop, policy security-ips drop,
ruleset community service http; reference:url,http://ddos.**
arbornetworks.com/2013/05/the-**revolution-will-be-written-in-**delphi<http://ddos.arbornetworks.com/2013/05/the-revolution-will-be-written-in-delphi>;
classtype:trojan-activity; sid:10000068; rev:1;)

Lot's of good info on that reference link.

James
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