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hayabusa/rules/sigma/process_creation/win_powershell_download.yml
2021-11-23 15:04:03 +09:00

39 lines
883 B
YAML

title: PowerShell Download from URL
author: Florian Roth, oscd.community, Jonhnathan Ribeiro
date: 2019/01/16
description: Detects a Powershell process that contains download commands in its command
line string
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
Image: '*\powershell.exe'
SELECTION_3:
CommandLine: '*new-object*'
SELECTION_4:
CommandLine: '*net.webclient).*'
SELECTION_5:
CommandLine: '*download*'
SELECTION_6:
CommandLine:
- '*string(*'
- '*file(*'
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4 and SELECTION_5
and SELECTION_6)
falsepositives:
- unknown
fields:
- CommandLine
- ParentCommandLine
id: 3b6ab547-8ec2-4991-b9d2-2b06702a48d7
level: medium
logsource:
category: process_creation
product: windows
status: experimental
tags:
- attack.t1086
- attack.execution
- attack.t1059.001