ET MALWARE RampantKitten APT TelB Python Variant - CnC Checkin M1

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?computer-name="; fast_pattern;
content:"&username="; distance:0;
http.accept_enc;
content:"gzip, deflate";
http.header_names;
content:!"Cache";
Raw source ET MALWARE RampantKitten APT TelB Python Variant - CnC Checkin M1 · 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 M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?computer-name="; fast_pattern;
    content:"&username="; distance:0;
    http.accept_enc;
    content:"gzip, deflate";
    http.header_names;
    content:!"Cache";
    reference:url,research.checkpoint.com/2020/rampant-kitten-an-iranian-espionage-campaign;
    classtype:command-and-control;
    sid:2030895; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, 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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