ET ADWARE_PUP Win32/Adware.Adposhel.A Checkin M6

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri; bsize:>200;
content:"/q/?q="; fast_pattern; startswith;
pcre:"/^[a-zA-Z0-9_-]+/R";
http.user_agent;
content:"User-Agent|3a 20|"; startswith;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
content:!"|0d 0a|Accept";
Raw source ET ADWARE_PUP Win32/Adware.Adposhel.A Checkin M6 · 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 Win32/Adware.Adposhel.A Checkin M6";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:>200;
    content:"/q/?q="; fast_pattern; startswith;
    pcre:"/^[a-zA-Z0-9_-]+/R";
    http.user_agent;
    content:"User-Agent|3a 20|"; startswith;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    content:!"|0d 0a|Accept";
    classtype:pup-activity;
    sid:2029055; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;
)

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