""ET TROJAN WorldWind Stealer Sending System information via Telegram (POST)""

SID: 2044557

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_10, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_03_10

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: "/bot1119746739|3a|" Depth: 15

  • Value: "Host|3a 20|api.telegram.org|0d 0a|"

  • Value: ".zip|22 3b 20|filename"

  • Value: "|0d 0a 0d 0a|PK"

  • Value: "Browsers|5c|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

source