SigmaHQ/rules/windows/process_creation/win_malware_script_dropper.yml
2020-12-01 02:12:53 +01:00

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YAML

title: WScript or CScript Dropper
id: cea72823-df4d-4567-950c-0b579eaf0846
status: experimental
description: Detects wscript/cscript executions of scripts located in user directories
author: Margaritis Dimitrios (idea), Florian Roth (rule), oscd.community
date: 2019/01/16
modified: 2020/09/01
tags:
- attack.execution
- attack.t1059.005
- attack.t1059.007
- attack.defense_evasion # an old one
- attack.t1064 # an old one
logsource:
category: process_creation
product: windows
detection:
selection1:
Image|endswith:
- '\wscript.exe'
- '\cscript.exe'
CommandLine|contains:
- 'C:\Users\'
- 'C:\ProgramData\'
selection2:
CommandLine|contains:
- '.jse'
- '.vbe'
- '.js'
- '.vba'
- '.vbs'
falsepositive:
ParentImage|contains: '\winzip'
condition: selection1 and selection2 and not falsepositive
fields:
- CommandLine
- ParentCommandLine
falsepositives:
- Winzip
- Other self-extractors
level: high