""ET INFO DNS Query for Webhook/HTTP Request Inspection Service (.curlhub .io)""
SID: 2047768
Revision: 1
Class Type: misc-activity
Metadata: created_at 2023_08_26, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_26, reviewed_at 2023_08_26, 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: "|07|curlhub|02|io|00|"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase