ET MALWARE FakeAV Win32/Antivirus2008 CnC Beacon

Query · suricata

flow:established,to_server;
http.uri;
content:"nick="; fast_pattern; nocase;
content:"&group="; nocase;
content:"&os=";
http.user_agent; bsize:7;
content:"Mozilla";
Raw source ET MALWARE FakeAV Win32/Antivirus2008 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 FakeAV Win32/Antivirus2008 CnC Beacon";
    flow:established,to_server;
    http.uri;
    content:"nick="; fast_pattern; nocase;
    content:"&group="; nocase;
    content:"&os=";
    http.user_agent; bsize:7;
    content:"Mozilla";
    classtype:command-and-control;
    sid:2008483; rev:10;
    metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, malware_family Win32_Antivirus2008, 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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