SigmaHQ/rules/windows/process_creation/win_susp_file_characteristics.yml
2021-07-01 12:18:30 +05:45

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YAML

title: Suspicious File Characteristics Due to Missing Fields
id: 9637e8a5-7131-4f7f-bdc7-2b05d8670c43
description: Detects Executables in the Downloads folder without FileVersion,Description,Product,Company likely created with py2exe
status: experimental
references:
- https://securelist.com/muddywater/88059/
- https://www.virustotal.com/#/file/276a765a10f98cda1a38d3a31e7483585ca3722ecad19d784441293acf1b7beb/detection
author: Markus Neis, Sander Wiebing
date: 2018/11/22
modified: 2021/06/27
tags:
- attack.execution
- attack.t1059.006
- attack.defense_evasion # an old one
- attack.t1064 # an old one
logsource:
product: windows
category: process_creation
detection:
selection1:
Description: '\?'
FileVersion: '\?'
selection2:
Description: '\?'
Product: '\?'
selection3:
Description: '\?'
Company: '\?'
folder:
Image|contains: '\Downloads\'
condition: (selection1 or selection2 or selection3) and folder
fields:
- CommandLine
- ParentCommandLine
falsepositives:
- Unknown
level: medium