""ET TROJAN W32/Downloader_x.EJK!tr CnC Activity""

SID: 2030797

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_26, deployment Perimeter, signature_severity Major, updated_at 2020_08_26

Reference:

  • md5

  • 0241deba165817083c66fae17e09d68f

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "VM|3a 20|" Depth: 4

  • Value: "|0a|WINDOWS|3a 20|"

  • Value: "|0a|COMPNAME|3a 20|"

  • Value: "|0a|dhcp|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

source