""ET USER_AGENTS Suspicious User-Agent (Microsoft-ATL-Native/9.00)""

SID: 2034296

Revision: 1

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2021_10_29, deployment Perimeter, signature_severity Informational, updated_at 2021_10_29

Reference:

  • md5

  • 783aef84f5b315704ff6b064a00e2573

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "Microsoft-ATL-Native/9.00"

Within:

PCRE:

Special Options:

  • http_header

source