ET ADWARE_PUP pdfspeedup Initial CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/pdf-service/v1/action?"; startswith; fast_pattern;
content:"os=";
content:"device_id=";
pcre:"/^[a-f0-9]{32}/UR";
content:"version=";
content:"qd=";
content:"day=";
content:"t=";
content:"product=";
content:"machine_name=";
http.header_names;
content:"Host|0d 0a|Connection|0d 0a 0d 0a|";
Raw source ET ADWARE_PUP pdfspeedup Initial CnC Checkin · 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 pdfspeedup Initial CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/pdf-service/v1/action?"; startswith; fast_pattern;
    content:"os=";
    content:"device_id=";
    pcre:"/^[a-f0-9]{32}/UR";
    content:"version=";
    content:"qd=";
    content:"day=";
    content:"t=";
    content:"product=";
    content:"machine_name=";
    http.header_names;
    content:"Host|0d 0a|Connection|0d 0a 0d 0a|";
    reference:md5,cbb857a25e7dde72364684d2b90fb1ac;
    classtype:pup-activity;
    sid:2038627; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_08_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_25, reviewed_at 2025_07_14;
)

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