""ET TROJAN Win32/Webdor.NAC Variant CnC Activity""

SID: 2035456

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_15, deployment Perimeter, signature_severity Major, updated_at 2022_03_15

Reference:

  • md5

  • 1e2a28d5f4f03420df7a6766e0e4277c

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: ".html?m="

  • Value: "&c="

  • Value: "&v="

  • Value: "&myID="

  • Value: "/"

  • Value: "/"

  • Value: "User-Agent|3a 20|Catalyst|0d 0a|"

Within: 10

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

source