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blue-team-tools/rules/windows/powershell/powershell_script/posh_ps_shellcode_b64.yml
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Qasim Qlf 7a4eb6cb58 Merge PR #4693 from @qasimqlf - Update selection to remove overlap
chore: PowerShell ShellCode - Remove "selection" as it was overlapping with "selection2"
2024-01-26 12:19:13 +01:00

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YAML

title: PowerShell ShellCode
id: 16b37b70-6fcf-4814-a092-c36bd3aafcbd
status: test
description: Detects Base64 encoded Shellcode
references:
- https://twitter.com/cyb3rops/status/1063072865992523776
author: David Ledbetter (shellcode), Florian Roth (Nextron Systems)
date: 2018/11/17
modified: 2024/01/25
tags:
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1055
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains:
- 'OiCAAAAYInlM'
- 'OiJAAAAYInlM'
condition: selection
falsepositives:
- Unknown
level: high