Versions (3)
Version DetailsCurrent
Rev: 2 • May 7, 2019, 12:00 PMET MALWARE Covenant .NET Framework P2P C&C Protocol Gruntsvc Named Pipe Interaction
alert smb any any -> $HOME_NET any (msg:"ET MALWARE Covenant .NET Framework P2P C&C Protocol Gruntsvc Named Pipe Interaction"; flow:established,to_server; content:"SMB"; depth:8; content:"g|00|r|00|u|00|n|00|t|00|s|00|v|00|c|00|"; nocase; distance:0; fast_pattern; content:!"|00 22 00|g|00|r|00|u|00|n|00|t|00|s|00|v|00|c|00 22 00|"; reference:url,posts.specterops.io/entering-a-covenant-net-command-and-control-e11038bcf462; reference:url,posts.specterops.io/designing-peer-to-peer-command-and-control-ad2c61740456; classtype:command-and-control; sid:2027326; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_07, deployment Perimeter, deployment Internal, malware_family Covenant, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_24, reviewed_at 2023_08_24;)
May 7, 2019, 12:00 PM
Aug 24, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules