41 lines
1.2 KiB
YAML
41 lines
1.2 KiB
YAML
title: Logon Scripts (UserInitMprLogonScript)
|
|
author: Tom Ueltschi (@c_APT_ure)
|
|
date: 2019/01/12
|
|
description: Detects creation or execution of UserInitMprLogonScript persistence method
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
EventID: 1
|
|
SELECTION_3:
|
|
ParentImage: '*\userinit.exe'
|
|
SELECTION_4:
|
|
Image: '*\explorer.exe'
|
|
SELECTION_5:
|
|
CommandLine: '*netlogon.bat*'
|
|
SELECTION_6:
|
|
CommandLine: '*UsrLogon.cmd*'
|
|
SELECTION_7:
|
|
CommandLine: '*UserInitMprLogonScript*'
|
|
condition: (SELECTION_1 and ((SELECTION_2 and (SELECTION_3 and not (SELECTION_4))
|
|
and not ((SELECTION_5 or SELECTION_6))) or SELECTION_7))
|
|
falsepositives:
|
|
- exclude legitimate logon scripts
|
|
- penetration tests, red teaming
|
|
id: 0a98a10c-685d-4ab0-bddc-b6bdd1d48458
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2020/08/26
|
|
references:
|
|
- https://attack.mitre.org/techniques/T1037/
|
|
status: experimental
|
|
tags:
|
|
- attack.t1037
|
|
- attack.t1037.001
|
|
- attack.persistence
|
|
yml_filename: sysmon_logon_scripts_userinitmprlogonscript_proc.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
|
|
|