Back to Rule

Rule History

SID: 2022061 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1Nov 11, 2015, 12:00 PM

ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)"; flow:from_client,established; content:"|00|scPK|7c 27 7c 27 7c|"; nocase; fast_pattern; pcre:"/^\d{1,6}\x00scPK\x7c/i"; reference:md5,a42317b9f9d3df375218e650999d48c4; classtype:command-and-control; sid:2022061; rev:1; metadata:created_at 2015_11_11, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Nov 11, 2015, 12:00 PM

Jul 26, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

Nov 3, 2025, 10:34 PM

rules/emerging-malware.rules