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blue-team-tools/rules/windows/process_creation/proc_creation_win_cmd_dosfuscation.yml
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title: Potential Dosfuscation Activity
id: a77c1610-fc73-4019-8e29-0f51efc04a51
status: test
description: Detects possible payload obfuscation via the commandline
references:
- https://www.fireeye.com/content/dam/fireeye-www/blog/pdfs/dosfuscation-report.pdf
- https://github.com/danielbohannon/Invoke-DOSfuscation
author: frack113, Nasreddine Bencherchali (Nextron Systems)
date: 2022/02/15
modified: 2023/03/06
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- '^^'
- '^|^'
- ',;,'
- ';;;;'
- ';; ;;'
- '(,(,'
- '%COMSPEC:~'
- ' c^m^d'
- '^c^m^d'
- ' c^md'
- ' cm^d'
- '^cm^d'
- ' s^et '
- ' s^e^t '
- ' se^t '
# - '%%'
# - '&&'
# - '""'
condition: selection
falsepositives:
- Unknown
level: medium