Versions (4)
Version DetailsCurrent
Rev: 2 • May 5, 2015, 12:00 PMET MALWARE njRAT Variant Outbound CnC Beacon
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;)
May 5, 2015, 12:00 PM
Sep 28, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules