ET MALWARE W32/ServStart.Variant CnC Beacon

Query · suricata

flow:established,to_server;
http.uri;
content:"&mac="; nocase;
content:"type="; nocase;
content:"id="; nocase;
http.user_agent; bsize:9;
content:"Google ++"; fast_pattern;
Raw source ET MALWARE W32/ServStart.Variant CnC Beacon · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/ServStart.Variant CnC Beacon";
    flow:established,to_server;
    http.uri;
    content:"&mac="; nocase;
    content:"type="; nocase;
    content:"id="; nocase;
    http.user_agent; bsize:9;
    content:"Google ++"; fast_pattern;
    classtype:command-and-control;
    sid:2016355; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2013_02_05, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_03_10, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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