""ET TROJAN Symbiote CnC Domain in DNS Lookup (assets .fans)""
SID: 2036950
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_and_Server, created_at 2022_06_09, deployment Perimeter, malware_family Symbiote, performance_impact Low, signature_severity Major, updated_at 2022_06_09
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: "|06|assets|04|fans|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern