Versions (5)
Version DetailsCurrent
Rev: 1 • Nov 11, 2015, 12:00 PMET MALWARE njrat ver 0.7d Malware CnC Callback (Get Passwords)
alert tcp any any -> any any (msg:"ET MALWARE njrat ver 0.7d Malware CnC Callback (Get Passwords)"; flow:established; content:"|00|ret|7c 27 7c 27 7c|"; nocase; fast_pattern; pcre:"/^\d{1,6}\x00ret\x7c/i"; reference:md5,310c26fa0c7d07adbff32b569b1972f1; classtype:command-and-control; sid:2022063; 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