atomic-threat-coverage/detection_rules/win_possible_applocker_bypass.yml
2019-02-12 04:55:11 +01:00

45 lines
1.3 KiB
YAML
Executable File

action: global
title: Possible Applocker Bypass
description: Detects execution of executables that can be used to bypass Applocker whitelisting
status: experimental
references:
- https://github.com/subTee/ApplicationWhitelistBypassTechniques/blob/master/TheList.txt
- https://room362.com/post/2014/2014-01-16-application-whitelist-bypass-using-ieexec-dot-exe/
author: juju4
tags:
- attack.defense_evasion
detection:
selection:
CommandLine:
- '*\msdt.exe*'
- '*\installutil.exe*'
- '*\regsvcs.exe*'
- '*\regasm.exe*'
- '*\regsvr32.exe*'
- '*\msbuild.exe*'
- '*\ieexec.exe*'
- '*\mshta.exe*'
# higher risk of false positives
# - '*\cscript.EXE*'
condition: selection
falsepositives:
- False positives depend on scripts and administrative tools used in the monitored environment
level: low
---
# Windows Audit Log
logsource:
product: windows
service: security
definition: 'Requirements: Audit Policy : Detailed Tracking > Audit Process creation, Group Policy : Administrative Templates\System\Audit Process Creation'
detection:
selection:
EventID: 4688
---
# Sysmon
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 1