Files
hayabusa/rules/Sigma/win_susp_msoffice.yml
2021-11-14 11:00:56 +09:00

36 lines
1.1 KiB
YAML

title: Malicious Payload Download via Office Binaries
author: Beyu Denis, oscd.community
date: 2019/10/26
description: Downloads payload from remote server
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
Image: '*\powerpnt.exe'
SELECTION_3:
Image: '*\winword.exe'
SELECTION_4:
Image: '*\excel.exe'
SELECTION_5:
CommandLine: '*http*'
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4) and SELECTION_5)
falsepositives:
- Unknown
id: 0c79148b-118e-472b-bdb7-9b57b444cc19
level: high
logsource:
category: process_creation
product: windows
modified: 2019/11/04
references:
- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/OtherMSBinaries/Powerpnt.yml
- https://medium.com/@reegun/unsanitized-file-validation-leads-to-malicious-payload-download-via-office-binaries-202d02db7191
- Reegun J (OCBC Bank)
status: experimental
tags:
- attack.command_and_control
- attack.t1105
yml_filename: win_susp_msoffice.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation