ET ADWARE_PUP OSX/Adware.Pirrit Web Injects

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/mu?id="; fast_pattern;
content:"&d=";
content:"&cl=";
pcre:"/\/mu\?id=[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}&d=[A-Za-z]+&cl=\d+$/i";
Raw source ET ADWARE_PUP OSX/Adware.Pirrit Web Injects · 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 -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP OSX/Adware.Pirrit Web Injects";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/mu?id="; fast_pattern;
    content:"&d=";
    content:"&cl=";
    pcre:"/\/mu\?id=[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}&d=[A-Za-z]+&cl=\d+$/i";
    reference:url,go.cybereason.com/rs/996-YZT-709/images/Cybereason-Lab-Analysis-OSX-Pirrit-4-6-16.pdf;
    reference:md5,85846678ad4dbff608f2e51bb0589a16;
    classtype:pup-activity;
    sid:2022719; rev:4;
    metadata:created_at 2016_04_08, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;
)

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