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https://github.com/LOLBAS-Project/LOLBAS
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55 lines
2.5 KiB
YAML
55 lines
2.5 KiB
YAML
---
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Name: Cdb.exe
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Description: Debugging tool included with Windows Debugging Tools.
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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: cdb.exe -cf x64_calc.wds -o notepad.exe
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Description: Launch 64-bit shellcode from the x64_calc.wds file using cdb.exe.
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Usecase: Local execution of assembly shellcode.
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Category: Execute
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows
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- Command: |
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cdb.exe -pd -pn <process_name>
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.shell <cmd>
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Description: Attaching to any process and executing shell commands.
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Usecase: Run a shell command under a trusted Microsoft signed binary
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Category: Execute
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows
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- Command: cdb.exe -c C:\debug-script.txt calc
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Description: Execute arbitrary commands and binaries using a debugging script (see Resources section for a sample file).
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Usecase: Run commands under a trusted Microsoft signed binary
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Category: Execute
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows
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Full_Path:
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- Path: C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\cdb.exe
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- Path: C:\Program Files (x86)\Windows Kits\10\Debuggers\x86\cdb.exe
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Code_Sample:
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- Code: https://gist.github.com/nasbench/d9c15864f1e21bdd8b7cf55997b45f4b
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_cdb.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_process_network_connection.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_network_connection_from_windows_binary.toml
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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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Resources:
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- Link: http://www.exploit-monday.com/2016/08/windbg-cdb-shellcode-runner.html
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- Link: https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/cdb-command-line-options
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- Link: https://gist.github.com/mattifestation/94e2b0a9e3fe1ac0a433b5c3e6bd0bda
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- Link: https://mrd0x.com/the-power-of-cdb-debugging-tool/
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- Link: https://twitter.com/nas_bench/status/1534957360032120833
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Acknowledgement:
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- Person: Matt Graeber
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Handle: '@mattifestation'
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- Person: mr.d0x
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Handle: '@mrd0x'
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- Person: Spooky Sec
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Handle: '@sec_spooky'
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- Person: Nasreddine Bencherchali
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Handle: '@nas_bench'
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