Files
hayabusa/rules/sigma/process_creation/win_powershell_dll_execution.yml
DustInDark 0cfa806baf Feature/addruletype to sigma rule#230 (#235)
* added ruletype to SIGMA rule #230

* added ruletype to SIGMA rule converter tool #231
2021-11-28 18:14:51 +09:00

36 lines
830 B
YAML

title: Detection of PowerShell Execution via DLL
author: Markus Neis
date: 2018/08/25
description: Detects PowerShell Strings applied to rundll as seen in PowerShdll.dll
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
Image:
- '*\rundll32.exe'
SELECTION_3:
Description:
- '*Windows-Hostprozess (Rundll32)*'
SELECTION_4:
CommandLine:
- '*Default.GetString*'
- '*FromBase64String*'
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and SELECTION_4)
falsepositives:
- Unknown
id: 6812a10b-60ea-420c-832f-dfcc33b646ba
level: high
logsource:
category: process_creation
product: windows
modified: 2020/09/01
references:
- https://github.com/p3nt4/PowerShdll/blob/master/README.md
status: experimental
tags:
- attack.defense_evasion
- attack.t1085
- attack.t1218.011
ruletype: SIGMA