""ET TROJAN Golang/Bandit Stealer Telegram Exfil Activity (POST)""

SID: 2046856

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_07_18, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_07_18

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: "User-Agent|3a 20|go-http-client/"

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

  • Value: "Banditstealer"

  • Value: "PK"

Within:

PCRE:

Special Options:

  • http_method

  • nocase

  • http_header

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

source