""ET TROJAN OldGremlin/TA801 Domain in DNS Lookup (1cbit .org)""
SID: 2055282
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2024_08_15, deployment Perimeter, signature_severity Major, updated_at 2024_08_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing
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|1cbit|03|org|00|"
Within: 11
PCRE:
Special Options:
-
fast_pattern
-
nocase