36 lines
1.1 KiB
YAML
36 lines
1.1 KiB
YAML
title: Alternate PowerShell Hosts
|
|
author: Roberto Rodriguez @Cyb3rWard0g
|
|
date: 2019/08/11
|
|
description: Detects alternate PowerShell hosts potentially bypassing detections looking
|
|
for powershell.exe
|
|
detection:
|
|
SELECTION_1:
|
|
HostApplication: '*'
|
|
SELECTION_2:
|
|
HostApplication: C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe*
|
|
condition: (SELECTION_1 and not (SELECTION_2))
|
|
falsepositives:
|
|
- Programs using PowerShell directly without invocation of a dedicated interpreter
|
|
- MSP Detection Searcher
|
|
- Citrix ConfigSync.ps1
|
|
id: d7326048-328b-4d5e-98af-86e84b17c765
|
|
level: medium
|
|
logsource:
|
|
category: ps_classic_start
|
|
definition: fields have to be extract from event
|
|
product: windows
|
|
modified: 2021/10/16
|
|
references:
|
|
- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190815181010.html
|
|
related:
|
|
- id: 64e8e417-c19a-475a-8d19-98ea705394cc
|
|
type: derived
|
|
status: test
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1059.001
|
|
- attack.t1086
|
|
yml_filename: powershell_classic_alternate_powershell_hosts.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_classic
|
|
|