""ET INFO Microsoft Office User-Agent Requesting A Doc File""

SID: 2037155

Revision: 1

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, performance_impact Moderate, signature_severity Minor, updated_at 2022_06_29

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "|3b 20|ms|2d|office|3b|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3b\x20ms\x2doffice\x3b/Hmi"

Special Options:

  • http_method

  • http_header

  • fast_pattern

source