ET ADWARE_PUP DownLoadAdmin Activity

Query · suricata

flow:established,to_server;
http.uri;
content:"/install.php?bc="; startswith; fast_pattern;
content:"&d=";
content:"&cb=";
http.header_names;
content:"|0d 0a|user-agent|0d 0a|x-webinstallcode|0d 0a|";
Raw source ET ADWARE_PUP DownLoadAdmin Activity · 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 DownLoadAdmin Activity";
    flow:established,to_server;
    http.uri;
    content:"/install.php?bc="; startswith; fast_pattern;
    content:"&d=";
    content:"&cb=";
    http.header_names;
    content:"|0d 0a|user-agent|0d 0a|x-webinstallcode|0d 0a|";
    reference:md5,cff290dcb07183541783bbc9ce7056b4;
    classtype:pup-activity;
    sid:2030663; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_07;
)

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