mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-08 10:13:57 +00:00
37 lines
1.3 KiB
YAML
37 lines
1.3 KiB
YAML
title: MSHTA Suspicious Execution 01
|
|
id: cc7abbd0-762b-41e3-8a26-57ad50d2eea3
|
|
status: experimental
|
|
description: Detection for mshta.exe suspicious execution patterns sometimes involving file polyglotism
|
|
date: 2019/02/22
|
|
modified: 2020/08/23
|
|
author: Diego Perez (@darkquassar), Markus Neis, Swisscom (Improve Rule)
|
|
references:
|
|
- http://blog.sevagas.com/?Hacking-around-HTA-files
|
|
- https://0x00sec.org/t/clientside-exploitation-in-2018-how-pentesting-has-changed/7356
|
|
- https://docs.microsoft.com/en-us/dotnet/standard/data/xml/xslt-stylesheet-scripting-using-msxsl-script
|
|
- https://medium.com/tsscyber/pentesting-and-hta-bypassing-powershell-constrained-language-mode-53a42856c997
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1140
|
|
- attack.t1218.005
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
falsepositives:
|
|
- False positives depend on scripts and administrative tools used in the monitored environment
|
|
level: high
|
|
detection:
|
|
selection1:
|
|
Image|endswith: '\mshta.exe'
|
|
CommandLine|contains:
|
|
- 'vbscript'
|
|
- '.jpg'
|
|
- '.png'
|
|
- '.lnk'
|
|
# - '.chm' # could be prone to false positives
|
|
- '.xls'
|
|
- '.doc'
|
|
- '.zip'
|
|
condition:
|
|
selection1
|