Versions (3)
Version DetailsCurrent
Rev: 2 • Sep 1, 2017, 12:00 PMET MALWARE CobianRAT Receiving Config Commands from CnC
alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET MALWARE CobianRAT Receiving Config Commands from CnC"; flow:from_server,established; content:"|01 00 00 00 FF FF FF FF 01|"; depth:15; content:"Svr|7c 2d 7c|"; within:100; fast_pattern; pcre:"/^(?:\x40|\x21|\x23|\x7e|\x24)/R"; reference:md5,94911666a61beb59d2988c4fc7003e5a; reference:url,www.zscaler.com/blogs/research/cobian-rat-backdoored-rat; classtype:command-and-control; sid:2024654; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_01, deployment Perimeter, malware_family CobianRAT, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;)
Sep 1, 2017, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules