""ET INFO DNS Query for Webhook/HTTP Request Inspection Service (.apiary-mock .com)""

SID: 2047770

Revision: 1

Class Type: misc-activity

Metadata: created_at 2023_08_26, deployment Perimeter, 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: "|0b|apiary-mock|03|com|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source