""ET TROJAN Win32/Unknown CnC Activity""

SID: 2038630

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 2022_08_26, deployment Perimeter, signature_severity Major, updated_at 2022_08_26

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: "getUpdate|2e|php|3f|info|3d|" Depth: 19

  • Value: "&hw="

  • Value: "&id="

  • Value: ".onion|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.onion/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source