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

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YAML

title: Suspicious ZipExec Execution
author: frack113
date: 2021/11/07
description: ZipExec is a Proof-of-Concept (POC) tool to wrap binary-based tools into
a password-protected zip file.
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
CommandLine: '*.zip*'
SELECTION_3:
CommandLine: '*/generic:Microsoft_Windows_Shell_ZipFolder:filename=*'
SELECTION_4:
CommandLine: '*/pass:*'
SELECTION_5:
CommandLine: '*/user:*'
SELECTION_6:
CommandLine: '*/delete*'
SELECTION_7:
CommandLine: '*Microsoft_Windows_Shell_ZipFolder:filename=*'
condition: (SELECTION_1 and SELECTION_2 and ((SELECTION_3 and SELECTION_4 and SELECTION_5)
or (SELECTION_6 and SELECTION_7)))
falsepositives:
- unknown
id: 90dcf730-1b71-4ae7-9ffc-6fcf62bd0132
level: medium
logsource:
category: process_creation
product: windows
references:
- https://twitter.com/SBousseaden/status/1451237393017839616
- https://github.com/Tylous/ZipExec
status: experimental
tags:
- attack.execution
- attack.defense_evasion
- attack.t1218
- attack.t1202