""ET TROJAN Win32/Fareit Variant Activity (POST)""

SID: 2033322

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_07_14, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_07_14

Reference:

  • md5

  • bf0c3851bd0cdd2bbdd3902326e37688

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/otproc.asp"

  • Value: "Indy|20|Library|29 0d 0a|"

  • Value: "sGbn=" Depth: 5

  • Value: "&sGbn1="

  • Value: "&n5uid="

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+Indy\x20Library\x29/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source