""ET TROJAN Babax Stealer Exfil via Telegram""

SID: 2030805

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 2020_08_27, deployment Perimeter, deployment SSLDecrypt, malware_family Babax, performance_impact Low, signature_severity Major, updated_at 2020_08_27

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 /bot" Depth: 9

  • Value: "&caption="

  • Value: " Brought you by Babax"

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

  • Value: "|2e|logs|22 0d 0a|Content-Type|3a 20|application/x-ms-dos-executable|0d 0a 0d 0a|PK"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

  • http_client_body

source