""ET INFO Commonly Abused Domain in TLS SNI (freeclickr .com)""

SID: 2047888

Revision: 1

Class Type: misc-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2023_09_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2023_09_01, reviewed_at 2023_10_06

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 0e|freeclickr.com"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source