ET ADWARE_PUP W32/SearchSuite Install CnC Beacon

Query · suricata

flow:established,to_server;
urilen:23;
http.method;
content:"POST";
http.uri;
content:"/install_statistics.php"; fast_pattern; depth:23;
http.user_agent;
content:"Mozilla/4.0 (compatible|3B 20|MSIE|3B 20|Win32)"; startswith;
http.request_body;
content:"XML="; depth:4;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP W32/SearchSuite Install CnC Beacon · Suricata
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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 ADWARE_PUP W32/SearchSuite Install CnC Beacon";
    flow:established,to_server;
    urilen:23;
    http.method;
    content:"POST";
    http.uri;
    content:"/install_statistics.php"; fast_pattern; depth:23;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3B 20|MSIE|3B 20|Win32)"; startswith;
    http.request_body;
    content:"XML="; depth:4;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,7203a56c3888e819c602e758fce823fa;
    reference:md5,77e33e8a53e2a0dbc06c921de9b71142;
    classtype:pup-activity;
    sid:2018753; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2014_07_23, deployment Perimeter, signature_severity Minor, tag c2, updated_at 2020_08_31, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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