""ET INFO Certificate with Unknown Content M1""

SID: 2026649

Revision: 3

Class Type: misc-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_26, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2018_12_04

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "-----BEGIN CERTIFICATE-----|0D 0A|" Depth: 29

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source