""ET TROJAN APT42/TA453 Related CnC Domain in DNS Lookup (litby .us)""
SID: 2052424
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2024_05_06, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_05_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: "|05|litby|02|us|00|"
Within: 10
PCRE:
Special Options:
-
fast_pattern
-
nocase