alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET TROJAN Monkif CnC? response in fake JPEG"; flow:established,from_server; file_data; content:"|ff d8 ff e0|"; within:4; content:"JFIF|00 01 01|"; distance:2; content:"lppt>++"; fast_pattern; within:50; content:"bm|60|95"; distance:0; content:"|7c|0"; distance:0; reference:url,2009.brucon.org/material/Julia_Wolf_Brucon_final.pdf; reference:url,research.zscaler.com/2010/03/trojan-monkif-is-still-active-and.html; reference:url,blogs.mcafee.com/mcafee-labs/monkif-botnet-hides-commands-in-jpegs; classtype:trojan-activity; sid:2012507; rev:4;)

Added 2012-07-06 23:30:39 UTC


##alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED Monkif CnC? response in fake JPEG"; flow:established,from_server; content:"JFIF|00 01 01 01 00|"; content:"|7c 30 7c 30 7c 30 7c|"; fast_pattern; classtype:trojan-activity; sid:2012507; rev:2;)

Added 2011-12-16 18:54:24 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET TROJAN Monkif CnC? response in fake JPEG"; flow:established,from_server; content:"JFIF|00 01 01 01 00|"; content:"|7c 30 7c 30 7c 30 7c|"; fast_pattern; classtype:trojan-activity; sid:2012507; rev:1;)

Added 2011-10-12 19:34:31 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET TROJAN Monkif CnC? response in fake JPEG"; flow:established,from_server; content:"JFIF|00 01 01 01 00|"; content:"|7c 30 7c 30 7c 30 7c|"; fast_pattern; classtype:trojan-activity; sid:2012507; rev:1;)

Added 2011-03-15 14:23:02 UTC


Topic revision: r1 - 2012-07-07 - TWikiGuest
 
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