ET ADWARE_PUP W32/Eorezo.Adware CnC Beacon

Query · suricata

flow:established,to_server;
http.uri;
content:"/cgi-bin/advert/settags?x_mode="; fast_pattern;
content:"&x_format=";
content:"&x_pub_id=";
content:"&tag=";
http.user_agent;
content:"Mozilla/4.0  (compatible|3B 20|Win32|3B 20|WinHttp.WinHttpRequest.5)";
Raw source ET ADWARE_PUP W32/Eorezo.Adware 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 ADWARE_PUP W32/Eorezo.Adware CnC Beacon";
    flow:established,to_server;
    http.uri;
    content:"/cgi-bin/advert/settags?x_mode="; fast_pattern;
    content:"&x_format=";
    content:"&x_pub_id=";
    content:"&tag=";
    http.user_agent;
    content:"Mozilla/4.0  (compatible|3B 20|Win32|3B 20|WinHttp.WinHttpRequest.5)";
    reference:url,www.symantec.com/security_response/writeup.jsp?docid=2012-061213-2441-99;
    classtype:pup-activity;
    sid:2016546; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2013_03_07, 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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