""ET TROJAN Possible Malicious Tor Module Download""

SID: 2023471

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_01, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2016_11_01

Reference:

  • md5

  • dacbf4c26c5642c29e69e336e0f111f7

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/tor/"

  • Value: !"Referer|3a 20|"

  • Value: !"Accept"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded"

Within:

PCRE: "/\/tor\/[^\x2f\x2e]+(?:32|64).dll$/Ui"

Special Options:

  • http_uri

  • http_header

  • http_header

  • http_header

source