ET MALWARE FrigidBackdoor Log Results

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE FrigidBackdoor Log Results";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:29;
    content:"/api/external/machines/result"; fast_pattern;
    http.user_agent;
    content:"Go-http-client";
    http.content_type;
    content:"application/json";
    http.request_body;
    content:"command_id";
    content:"output"; distance:0;
    content:"error"; distance:0;
    content:"exit_code"; distance:0;
    reference:url,moonlock.com/macc-stealer-macsync-backdoor;
    classtype:trojan-activity;
    sid:2064779; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_09_18, deployment Perimeter, confidence High, signature_severity Major, tag Backdoor, tag c2, tag Description_Generated_By_Proofpoint_Nexus, tag FrigidBackdoor, updated_at 2025_09_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)