Nasreddine Bencherchali
30 lines
1.0 KiB
YAML
30 lines
1.0 KiB
YAML
title: Suspicious File Download Using Office Application
|
|
id: 0c79148b-118e-472b-bdb7-9b57b444cc19
|
|
status: test
|
|
description: Detects the usage of one of three Microsoft office applications (Word, Excel, PowerPoint) to download arbitrary files
|
|
references:
|
|
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Powerpnt/
|
|
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Excel/
|
|
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Winword/
|
|
- https://medium.com/@reegun/unsanitized-file-validation-leads-to-malicious-payload-download-via-office-binaries-202d02db7191
|
|
author: Beyu Denis, oscd.community
|
|
date: 2019/10/26
|
|
modified: 2023/02/04
|
|
tags:
|
|
- attack.command_and_control
|
|
- attack.t1105
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
Image|endswith:
|
|
- '\powerpnt.exe'
|
|
- '\winword.exe'
|
|
- '\excel.exe'
|
|
CommandLine|contains: 'http'
|
|
condition: selection
|
|
falsepositives:
|
|
- Unknown
|
|
level: high
|