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Re: Blackrev C2 sigs
From: Patrick Mullen <pmullen () sourcefire com>
Date: Tue, 21 May 2013 17:17:46 -0400

Thanks, James!  They should be in tonight's community build as sids 26713-26715.


~Patrick

On Tue, May 21, 2013 at 4:25 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;
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;
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;
classtype:trojan-activity; sid:10000068; rev:1;)

Lot's of good info on that reference link.

James

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-- 
Patrick Mullen
Response Research Manager
Sourcefire VRT

------------------------------------------------------------------------------
Try New Relic Now & We'll Send You this Cool Shirt
New Relic is the only SaaS-based application performance monitoring service 
that delivers powerful full stack analytics. Optimize and monitor your
browser, app, & servers with just a few lines of code. Try New Relic
and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_may
_______________________________________________
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Snort-sigs () lists sourceforge net
https://lists.sourceforge.net/lists/listinfo/snort-sigs
http://www.snort.org


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


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