ET MALWARE W32/FloatingCloud.Banker CnC Beacon

Query · suricata

flow:established,to_server;
http.uri;
content:"/Install/Post.asp?Uid="; nocase;
pcre:"/^[a-f0-9]{8}\x2D[a-f0-9]{8}\x2D[a-f0-9]{8}\x2D[a-f0-9]{8}$/Ri";
Raw source ET MALWARE W32/FloatingCloud.Banker CnC Beacon · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/FloatingCloud.Banker CnC Beacon";
    flow:established,to_server;
    http.uri;
    content:"/Install/Post.asp?Uid="; nocase;
    pcre:"/^[a-f0-9]{8}\x2D[a-f0-9]{8}\x2D[a-f0-9]{8}\x2D[a-f0-9]{8}$/Ri";
    reference:url,www.securelist.com/en/blog/798/God_horses_are_floating_clouds_The_story_of_a_Chinese_banker_Trojan;
    classtype:command-and-control;
    sid:2016399; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2013_02_08, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_04_23, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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