""ET USER_AGENTS Suspicious User-Agent (aaaa)""

SID: 2031613

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2021_02_11, deployment Perimeter, signature_severity Informational, updated_at 2021_02_11

Reference:

  • md5

  • 61e213e717cc8e156cec79a7c1cd0c64

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|aaaa|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source