ET ADWARE_PUP PUP TheSZ AutoUpdate CnC Beacon

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/update.php?p="; fast_pattern;
content:"&v=";
content:"&id="; distance:0;
http.user_agent;
content:"AutoUpdate"; bsize:10;
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept-";
Raw source ET ADWARE_PUP PUP TheSZ AutoUpdate 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 PUP TheSZ AutoUpdate CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/update.php?p="; fast_pattern;
    content:"&v=";
    content:"&id="; distance:0;
    http.user_agent;
    content:"AutoUpdate"; bsize:10;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept-";
    reference:md5,76e54deb6f81edd6b47c854c847d590d;
    classtype:pup-activity;
    sid:2021401; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2015_07_10, deployment Perimeter, signature_severity Minor, tag c2, updated_at 2020_10_12, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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