ET MALWARE RampantKitten APT TelB Python Variant - CnC Checkin M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?Usrname="; fast_pattern;
content:"&0S-Name="; distance:0;
content:"&Pt-Name="; distance:0;
content:"&ToolsIsActive"; endswith;
http.user_agent;
content:"Python-urllib/"; startswith;
Raw source ET MALWARE RampantKitten APT TelB Python Variant - CnC Checkin M2 · 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 MALWARE RampantKitten APT TelB Python Variant - CnC Checkin M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?Usrname="; fast_pattern;
    content:"&0S-Name="; distance:0;
    content:"&Pt-Name="; distance:0;
    content:"&ToolsIsActive"; endswith;
    http.user_agent;
    content:"Python-urllib/"; startswith;
    reference:url,research.checkpoint.com/2020/rampant-kitten-an-iranian-espionage-campaign;
    classtype:command-and-control;
    sid:2030898; rev:1;
    metadata:created_at 2020_09_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Rampant_Kitten, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_22;
)

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