""ET TROJAN APT29 CnC Domain in DNS Lookup (toyy .zulipchat .com)""
SID: 2047639
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_08_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag APT29, updated_at 2023_08_14, reviewed_at 2023_10_06
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|toyy|09|zulipchat|03|com|00|"
Within: 20
PCRE:
Special Options:
-
fast_pattern
-
nocase