ET MALWARE W32/Tobfy.Ransomware Invalid URI CnC Request

Query · suricata

flow:established,to_server;
http.uri;
content:"/.ru|60|utr/qiq";
http.host;
content:".my-files-download.ru";
Raw source ET MALWARE W32/Tobfy.Ransomware Invalid URI CnC Request · 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 W32/Tobfy.Ransomware Invalid URI CnC Request";
    flow:established,to_server;
    http.uri;
    content:"/.ru|60|utr/qiq";
    http.host;
    content:".my-files-download.ru";
    reference:url,blog.fireeye.com/research/2013/01/happy-new-year-from-new-java-zero-day.html;
    classtype:command-and-control;
    sid:2016187; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2013_01_12, deployment Perimeter, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_08, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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