""ET TROJAN DarkIRC Bot CnC Domain Lookup""
SID: 2031260
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 2020_12_04, deployment Perimeter, signature_severity Major, updated_at 2020_12_04
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: "|03|cnc|0e|"
Within: 7
PCRE: "/^[a-fA-F0-9]{14}\x03xyz\x00/R"
Special Options:
- fast_pattern