93 lines
2.8 KiB
YAML
93 lines
2.8 KiB
YAML
title: Microsoft Office Product Spawning Windows Shell
|
|
author: Michael Haag, Florian Roth, Markus Neis, Elastic, FPT.EagleEye Team
|
|
date: 2018/04/06
|
|
description: Detects a Windows command and scripting interpreter executable started
|
|
from Microsoft Word, Excel, Powerpoint, Publisher and Visio
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_10:
|
|
Image: '*\cmd.exe'
|
|
SELECTION_11:
|
|
Image: '*\powershell.exe'
|
|
SELECTION_12:
|
|
Image: '*\wscript.exe'
|
|
SELECTION_13:
|
|
Image: '*\cscript.exe'
|
|
SELECTION_14:
|
|
Image: '*\sh.exe'
|
|
SELECTION_15:
|
|
Image: '*\bash.exe'
|
|
SELECTION_16:
|
|
Image: '*\scrcons.exe'
|
|
SELECTION_17:
|
|
Image: '*\schtasks.exe'
|
|
SELECTION_18:
|
|
Image: '*\regsvr32.exe'
|
|
SELECTION_19:
|
|
Image: '*\hh.exe'
|
|
SELECTION_2:
|
|
ParentImage: '*\WINWORD.EXE'
|
|
SELECTION_20:
|
|
Image: '*\wmic.exe'
|
|
SELECTION_21:
|
|
Image: '*\mshta.exe'
|
|
SELECTION_22:
|
|
Image: '*\rundll32.exe'
|
|
SELECTION_23:
|
|
Image: '*\msiexec.exe'
|
|
SELECTION_24:
|
|
Image: '*\forfiles.exe'
|
|
SELECTION_25:
|
|
Image: '*\scriptrunner.exe'
|
|
SELECTION_26:
|
|
Image: '*\mftrace.exe'
|
|
SELECTION_27:
|
|
Image: '*\AppVLP.exe'
|
|
SELECTION_28:
|
|
Image: '*\svchost.exe'
|
|
SELECTION_29:
|
|
Image: '*\msbuild.exe'
|
|
SELECTION_3:
|
|
ParentImage: '*\EXCEL.EXE'
|
|
SELECTION_4:
|
|
ParentImage: '*\POWERPNT.exe'
|
|
SELECTION_5:
|
|
ParentImage: '*\MSPUB.exe'
|
|
SELECTION_6:
|
|
ParentImage: '*\VISIO.exe'
|
|
SELECTION_7:
|
|
ParentImage: '*\OUTLOOK.EXE'
|
|
SELECTION_8:
|
|
ParentImage: '*\MSACCESS.EXE'
|
|
SELECTION_9:
|
|
ParentImage: '*\EQNEDT32.EXE'
|
|
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
|
|
or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9) and (SELECTION_10
|
|
or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14 or SELECTION_15
|
|
or SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19 or SELECTION_20
|
|
or SELECTION_21 or SELECTION_22 or SELECTION_23 or SELECTION_24 or SELECTION_25
|
|
or SELECTION_26 or SELECTION_27 or SELECTION_28 or SELECTION_29))
|
|
falsepositives:
|
|
- unknown
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
id: 438025f9-5856-4663-83f7-52f878a70a50
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2020/09/01
|
|
references:
|
|
- https://www.hybrid-analysis.com/sample/465aabe132ccb949e75b8ab9c5bda36d80cf2fd503d52b8bad54e295f28bbc21?environmentId=100
|
|
- https://mgreen27.github.io/posts/2018/04/02/DownloadCradle.html
|
|
status: experimental
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1204
|
|
- attack.t1204.002
|
|
yml_filename: win_office_shell.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
|
|
|