ET ADWARE_PUP Win32/FeIQ Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/Upgrade.php"; bsize:12; fast_pattern;
http.user_agent;
content:!"Mozilla";
content:!"Linux";
http.header_names;
content:!"Referer";
target:src_ip;
Raw source ET ADWARE_PUP Win32/FeIQ Activity (GET) · 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 Win32/FeIQ Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/Upgrade.php"; bsize:12; fast_pattern;
    http.user_agent;
    content:!"Mozilla";
    content:!"Linux";
    http.header_names;
    content:!"Referer";
    reference:md5,d6f8d10fe4e0c10cb5dcb993496a8512;
    classtype:pup-activity;
    sid:2046739; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_07_05, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_05;
    target:src_ip;
)

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