Rule History

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Likely EXE Cryptor Packed Binary - Likely Malware"; flow:from_server,established; content:"|4D 5A|"; content:"|2E 70 61 63 6B 65 64|"; within: 447; reference:url,bits.packetninjas.org; classtype:trojan-activity; sid:2008557; rev:2; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)