""ET INFO Out-of-Band Interaction Domain in DNS Lookup (oast .online)""
SID: 2036892
Revision: 2
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2022_06_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_04_18, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1567, mitre_technique_name Exfiltration_Over_Web_Service
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|oast|04|site|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern