ET MALWARE Cobalt Strike Malleable C2 (jquery Profile)

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;
)