mirror of
https://github.com/LOLBAS-Project/LOLBAS
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29 lines
1.6 KiB
YAML
29 lines
1.6 KiB
YAML
---
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Name: Comsvcs.dll
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Description: COM+ Services
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Author: LOLBAS Team
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Created: 2019-08-30
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Commands:
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- Command: rundll32 C:\windows\system32\comsvcs.dll MiniDump [LSASS_PID] dump.bin full
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Description: Calls the MiniDump exported function of comsvcs.dll, which in turns calls MiniDumpWriteDump.
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Usecase: Dump Lsass.exe process memory to retrieve credentials.
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Category: Dump
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Privileges: SYSTEM
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MitreID: T1003.001
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OperatingSystem: Windows 10, Windows 11
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Full_Path:
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- Path: c:\windows\system32\comsvcs.dll
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Code_Sample:
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- Code: https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/1ff5e226ad8bed34916c16ccc77ba281ca3203ae/rules/windows/process_creation/win_process_dump_rundll32_comsvcs.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/b81839e3ce507df925d6e583e569e1ac3a3894ab/rules/windows/process_access/sysmon_lsass_dump_comsvcs_dll.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/6312dd1d44d309608552105c334948f793e89f48/rules/windows/process_creation/proc_creation_win_rundll32_process_dump_via_comsvcs.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/5bdf70e72c6cd4547624c521108189af994af449/rules/windows/credential_access_cmdline_dump_tool.toml
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- Splunk: https://github.com/splunk/security_content/blob/86a5b644a44240f01274c8b74d19a435c7dae66e/detections/endpoint/dump_lsass_via_comsvcs_dll.yml
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Resources:
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- Link: https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
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Acknowledgement:
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- Person: modexp
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Handle:
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