""ET USER_AGENTS Suspicious User-Agent (Collection Info)""

SID: 2031684

Revision: 2

Class Type: bad-unknown

Metadata: created_at 2021_03_01, performance_impact Low, updated_at 2021_03_01

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|Collection Info/1.0|0d 0a|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

source