Potential Discovery Activity Via Dnscmd.EXE

calendar Dec 1, 2023 · attack.discovery attack.execution attack.t1543.003  ·
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Detects an attempt to leverage dnscmd.exe to enumerate the DNS zones of a domain. DNS zones used to host the DNS records for a particular domain.

Sigma rule (View on GitHub)

 1title: Potential Discovery Activity Via Dnscmd.EXE
 2id: b6457d63-d2a2-4e29-859d-4e7affc153d1
 3status: test
 4description: Detects an attempt to leverage dnscmd.exe to enumerate the DNS zones of a domain. DNS zones used to host the DNS records for a particular domain.
 5references:
 6    - https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/dnscmd
 7    - https://docs.microsoft.com/en-us/azure/dns/dns-zones-records
 8    - https://lolbas-project.github.io/lolbas/Binaries/Dnscmd/
 9author: '@gott_cyber'
10date: 2022/07/31
11modified: 2023/02/04
12tags:
13    - attack.discovery
14    - attack.execution
15    - attack.t1543.003
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection_img:
21        Image|endswith: '\dnscmd.exe'
22    selection_cli:
23        CommandLine|contains:
24            - '/enumrecords'
25            - '/enumzones'
26            - '/ZonePrint'
27            - '/info'
28    condition: all of selection_*
29falsepositives:
30    - Legitimate administration use
31level: medium

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