""ET INFO Webhook/HTTP Request Inspection Service Domain (m .pipedream .net in TLS SNI)""

SID: 2047738

Revision: 2

Class Type: misc-activity

Metadata: created_at 2023_08_25, 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: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: ".m.pipedream.net"

Within: 16

PCRE:

Special Options:

  • fast_pattern

source