""ET TROJAN Covenant .NET Framework P2P C&C Protocol Gruntsvc Named Pipe Interaction""

SID: 2027326

Revision: 3

Class Type: trojan-activity

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, signature_severity Major, updated_at 2023_08_24, reviewed_at 2023_08_24

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: [139,445]

Flow: established,to_server

Contents:

  • Value: "SMB" Depth: 8

  • Value: "g|00|r|00|u|00|n|00|t|00|s|00|v|00|c|00|"

  • Value: !"|00 22 00|g|00|r|00|u|00|n|00|t|00|s|00|v|00|c|00 22 00|"

Within:

PCRE:

Special Options:

  • nocase

  • fast_pattern

source