ET POLICY PCHunter CnC activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/PCHunter_"; startswith; fast_pattern;
content:"="; distance:0;
pcre:"/[A-F0-9]{96}$/R";
Raw source ET POLICY PCHunter CnC activity · 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 -> $EXTERNAL_NET any (
    msg:"ET POLICY PCHunter CnC activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/PCHunter_"; startswith; fast_pattern;
    content:"="; distance:0;
    pcre:"/[A-F0-9]{96}$/R";
    reference:md5,987b65cd9b9f4e9a1afd8f8b48cf64a7;
    classtype:misc-activity;
    sid:2032946; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_05_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_12;
)

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