""ET TROJAN Suspected Kimsuky Activity (GET)""

SID: 2033012

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_05_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_05_21

Reference:

  • md5

  • d8e817abd5ad765bf7acec5d672cbb8d

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "list.php?query=1"

  • Value: "User-Agent|3a 20|Mozilla/4.0|20 28|compatible|3b 20|Win32|3b 20|WinHttp.WinHttpRequest.5|29 0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/list.php\?query=1$/U"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source