""ET TROJAN Win32/NewsRat CnC Response""

SID: 2048924

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_27, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, updated_at 2023_10_27

Reference:

  • md5

  • cc3b98e24f9e09ee066456d32ed5e498

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|22|username|22 3a 22|assuki|5f|bot|22 7d 2c|"

  • Value: "|2c 22|mime|5f|type|22 3a 22|application|2f|zip|22 2c|"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source