alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cobalt Strike Malleable C2 (jquery Profile)"; flow:established,to_server; http.cookie; bsize:179; content:"session-"; depth:8; pcre:"/^[a-zA-Z0-9\/+_-]{171}$/R"; http.start; content:"GET|20|/jquery.min.js|20|HTTP/1.1|0d 0a|Accept|3a 20|*/*|0d 0a|Cookie|3a 20|session-"; startswith; fast_pattern; http.header_names; content:!"Referer"; classtype:command-and-control; sid:2032751; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_31, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, updated_at 2020_11_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;)