alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Wekby PCRat/Gh0st CnC Beacon (Outbound)"; flow:to_server,established; content:"HTTP|5c|1.1 Sycmentec"; depth:18; reference:md5,cfbcb83f8515bd169afd0b22488b4430; reference:url,www.volexity.com/blog/?p=158; classtype:command-and-control; sid:2021395; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_07_09, deployment Perimeter, malware_family Gh0st, malware_family PCRAT, signature_severity Major, tag PCRAT, tag Gh0st, tag RAT, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)