""ET TROJAN Win32/AMGO Keylogger - Keylogger Started Message via Telegram (POST)""

SID: 2044584

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_13, deployment Perimeter, deployment SSLDecrypt, malware_family AMGO, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_22, reviewed_at 2023_08_21

Reference:

  • md5

  • 838eaa6343e3b6d085a23f5b3fbfa802

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: "/bot" Depth: 4

  • Value: "/sendMessage"

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

  • Value: "User-Agent|3a 20|Go-http-client/"

  • Value: "|22|text|22 3a 22|Keylogger started|22|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • fast_pattern

source