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Newest: 2.0.2
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Active Rule
Indirect Inline Command Execution Via Bash.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Indirect Inline Command Execution Via Bash.EXE
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Indirect Inline Command Execution Via Bash.EXE
id: 5edc2273-c26f-406c-83f3-f4d948e740dd
related:
- id: 2d22a514-e024-4428-9dba-41505bd63a5b
type: similar
status: test
description: |
Detects execution of Microsoft bash launcher with the "-c" flag.
This can be used to potentially bypass defenses and execute Linux or Windows-based binaries directly via bash.
references:
- https://lolbas-project.github.io/lolbas/Binaries/Bash/
author: frack113
date: 2021-11-24
modified: 2023-08-15
tags:
- attack.defense-evasion
- attack.t1202
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith:
- ':\Windows\System32\bash.exe'
- ':\Windows\SysWOW64\bash.exe'
- OriginalFileName: 'Bash.exe'
selection_cli:
CommandLine|contains: ' -c '
condition: all of selection_*
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_bash_command_execution.yml