SigmaHQ/rules/windows/process_creation/win_susp_msoffice.yml

title: Malicious payload download via Office binaries
id: 0c79148b-118e-472b-bdb7-9b57b444cc19
status: experimental
description: Downloads payload from remote server
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)
author: Beyu Denis, oscd.community
date: 2019/10/26
modified: 2019/11/04
tags:
    - attack.command_and_control
    - attack.t1105
level: high
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: 
            - '\powerpnt.exe'
            - '\winword.exe'
            - '\excel.exe'
        CommandLine|contains: 'http'
    condition: selection
falsepositives:
    - Unknown
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`title: Malicious payload download via Office binaries`
Added UUIDs to rules 2019-11-12 22:12:27 +00:00			`id: 0c79148b-118e-472b-bdb7-9b57b444cc19`
add win_susp_msoffice.yml 2019-10-26 05:48:38 +00:00			`status: experimental`
			`description: Downloads payload from remote server`
			`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)`
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`author: Beyu Denis, oscd.community`
add win_susp_msoffice.yml 2019-10-26 05:48:38 +00:00			`date: 2019/10/26`
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`modified: 2019/11/04`
add win_susp_msoffice.yml 2019-10-26 05:48:38 +00:00			`tags:`
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`- attack.command_and_control`
			`- attack.t1105`
refactor: cleanup, single element lists, renamed files, level adjustments 2019-11-12 11:55:05 +00:00			`level: high`
add win_susp_msoffice.yml 2019-10-26 05:48:38 +00:00			`logsource:`
			`category: process_creation`
			`product: windows`
			`detection:`
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`selection:`
add modifiers 2019-11-07 22:34:30 +00:00			`Image\|endswith:`
			`- '\powerpnt.exe'`
			`- '\winword.exe'`
			`- '\excel.exe'`
Update win_susp_msoffice.yml 2019-11-04 15:42:26 +00:00			`CommandLine\|contains: 'http'`
			`condition: selection`
add win_susp_msoffice.yml 2019-10-26 05:48:38 +00:00			`falsepositives:`
			`- Unknown`