ET MALWARE Zeoticus Ransomware CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"supersecretstring?babyDontHeartMe="; depth:40; fast_pattern;
http.user_agent; bsize:3;
content:"DxD";
Raw source ET MALWARE Zeoticus Ransomware 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 MALWARE Zeoticus Ransomware CnC Activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"supersecretstring?babyDontHeartMe="; depth:40; fast_pattern;
    http.user_agent; bsize:3;
    content:"DxD";
    reference:url,twitter.com/siri_urz/status/1212724059277914112;
    classtype:command-and-control;
    sid:2029231; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_06, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_01_06, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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