598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
30 lines
859 B
YAML
30 lines
859 B
YAML
title: File Download Via InstallUtil.EXE
|
|
id: 75edd216-1939-4c73-8d61-7f3a0d85b5cc
|
|
status: test
|
|
description: |
|
|
Detects use of .NET InstallUtil.exe in order to download arbitrary files. The files will be written to "%LOCALAPPDATA%\Microsoft\Windows\INetCache\IE\"
|
|
references:
|
|
- https://github.com/LOLBAS-Project/LOLBAS/pull/239
|
|
author: Nasreddine Bencherchali (Nextron Systems)
|
|
date: 2022-08-19
|
|
modified: 2023-11-09
|
|
tags:
|
|
- attack.defense-evasion
|
|
- attack.t1218
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection_img:
|
|
- Image|endswith: '\InstallUtil.exe'
|
|
- OriginalFileName: 'InstallUtil.exe'
|
|
selection_cli:
|
|
CommandLine|contains:
|
|
- 'ftp://'
|
|
- 'http://'
|
|
- 'https://'
|
|
condition: all of selection_*
|
|
falsepositives:
|
|
- Unknown
|
|
level: medium
|