""ET TROJAN VBS/TrojanDownloader.Agent.YLH Payload Inbound""

SID: 2044430

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 2023_03_02, deployment Perimeter, signature_severity Major, updated_at 2023_04_04, reviewed_at 2024_01_26

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|3c|component|3e|" Depth: 11

  • Value: "GetDrive|28 22|C|3a 22 29|"

  • Value: "|28 22|windowsinstaller|2e|installer"

  • Value: "|2e|InstallProduct"

  • Value: "SerialNumber"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source