""ET INFO Webhook/HTTP Request Inspection Service Domain (requestinspector .com in TLS SNI)""
SID: 2049157
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_08_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_25, reviewed_at 2023_08_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1102, mitre_technique_name 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: "requestinspector.com"
Within: 1
PCRE: "/^(?:\x00\x14|.\x2e)requestinspector.com/R"
Special Options: