ET MALWARE njRAT Variant Outbound CnC Beacon

Query · suricata

flow:established,to_server;
content:"|7c|nj-q8"; endswith;
Raw source ET MALWARE njRAT Variant Outbound 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 tcp $HOME_NET any -> $EXTERNAL_NET !80 (
    msg:"ET MALWARE njRAT Variant Outbound CnC Beacon";
    flow:established,to_server;
    content:"|7c|nj-q8"; endswith;
    classtype:command-and-control;
    sid:2021057; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2015_05_05, deployment Perimeter, confidence Medium, signature_severity Major, tag c2, updated_at 2019_09_28, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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