ET MALWARE Rerdom/Asprox CnC Beacon

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/b/pkg/"; fast_pattern;
pcre:"/^[A-Za-z0-9]{14,15}$/R";
Raw source ET MALWARE Rerdom/Asprox 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Rerdom/Asprox CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/b/pkg/"; fast_pattern;
    pcre:"/^[A-Za-z0-9]{14,15}$/R";
    reference:url,malware-traffic-analysis.net/2014/08/24/index.html;
    reference:url,www.damballa.com/wp-content/uploads/2014/11/Behind_Malware_Infection_Chain_Rerdom.pdf;
    classtype:command-and-control;
    sid:2019760; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2014_11_20, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_08_18, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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