""ET USER_AGENTS Non-standard User-Agent (PATCHER)""

SID: 2032938

Revision: 1

Class Type: policy-violation

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2021_05_11, deployment Perimeter, signature_severity Informational, updated_at 2021_05_11

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|PATCHER|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source