""ET TROJAN OilRig QUADAGENT DNS Tunneling""

SID: 2025894

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_07_25, deployment Perimeter, malware_family QuadAgent, performance_impact Low, signature_severity Major, updated_at 2018_07_25

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|04|mail|06|"

  • Value: "|07|cpuproc|03|com|00|"

Within: 13

PCRE: "/^\d{6}/Ri"

Special Options:

  • nocase

  • fast_pattern

  • nocase

source