""ET USER_AGENTS Observed Suspicious UA (CODE)""

SID: 2030439

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_01, deployment Perimeter, signature_severity Informational, updated_at 2020_07_01

Reference:

  • md5

  • f5ee4c578976587586202c15e98997ed

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|CODE|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

source