""ET TROJAN DeerStealer Telegram Bot Response""

SID: 2055040

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_07, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, updated_at 2024_08_07

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|5c|u043a|5c|u0430|5c|u0447|5c|u0430|5c|u0435|5c|u0442|20 5c|u0444|5c|u0430|5c|u0439|5c|u043b|2e|"

  • Value: "|5c|nIP|3a 20|"

  • Value: "|5c|n|5c|u0421|5c|u0442|5c|u0440|5c|u0430|5c|u043d|5c|u0430"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source