Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Content-Type image/jpeg with Win32 MZ header set likely 2nd stage download"; flow:established,from_server; content:"Content-Type|3a 20|image/jpeg|0d 0a|"; content:"MZ"; distance:0; content:"This program must be run under Win"; fast_pattern; distance:0; classtype:trojan-activity; sid:2012634; rev:3; metadata:created_at 2011_04_05, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)