""ET INFO Office Retrieving .rtf (GET)""

SID: 2033858

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2021_09_01, deployment Perimeter, signature_severity Informational, updated_at 2022_04_18, reviewed_at 2023_08_22

Reference:

  • md5

  • c9f8addb927c3b96aee6a9f671a1f801

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: ".rtf"

  • Value: "|3b 20|ms-office|3b 20|"

  • Value: !"Referer|3a 20|"

Within:

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

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source