separate rules to submodule (#304)

* rm: rules

* Add: hayabusa-rules to submodule
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2021-12-19 20:50:20 +09:00
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title: Data Compressed - PowerShell
author: Timur Zinniatullin, oscd.community
date: 2019/10/21
description: An adversary may compress data (e.g., sensitive documents) that is collected
prior to exfiltration in order to make it portable and minimize the amount of data
sent over the network.
detection:
SELECTION_1:
ScriptBlockText: '*-Recurse*'
SELECTION_2:
ScriptBlockText: '*|*'
SELECTION_3:
ScriptBlockText: '*Compress-Archive*'
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- Highly likely if archive operations are done via PowerShell.
id: 6dc5d284-69ea-42cf-9311-fb1c3932a69a
level: low
logsource:
category: ps_script
definition: Script block logging must be enabled
product: windows
modified: 2021/10/16
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1560/T1560.md
status: experimental
tags:
- attack.exfiltration
- attack.t1560
- attack.t1002
ruletype: SIGMA