""ET TROJAN Win32.Renos/Artro Trojan Checkin M1""

SID: 2013186

Revision: 18

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2011_01_13, deployment Perimeter, signature_severity Major, updated_at 2018_11_20

Reference:

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: !"Referer"

  • Value: ".php?"

  • Value: "=v"

  • Value: "data=" Depth: 5

  • Value: "wget"

Within:

PCRE: "/^data=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"

Special Options:

  • http_method

  • http_header

  • http_uri

  • http_uri

  • http_client_body

  • nocase

  • http_header

source