alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE XcodeGhost CnC M2"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"|00 00 01|"; content:"|00 65 00 0a 95 3a 10 8a 09 25 4e d7 94 5e e9 70 59 e2 95 79|"; distance:1; within:20; classtype:command-and-control; sid:2021832; rev:3; metadata:created_at 2015_09_25, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_01;)