""ET TROJAN NSIS/TrojanDownloader.Agent.NZK Server Response""

SID: 2033992

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 2021_09_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_09_21

Reference:

  • md5

  • 168feb87d7264b4ee2b39cffd7d3b5e3

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|ce f8 f4 fc fb c8 98 9f|" Depth: 8

  • Value: "|98 9f|"

  • Value: "|98 9f|"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source