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Install Nessus Agent (Tenable) - Windows

Westyy
May 12, 2020 at 2:58 pm UTC

Hey guys,

New to Automox and enjoying the tool so far!

Been looking through the existing worklets and found how easy it was to deploy Crowdstrike. Figured I might add that the same logic can be applied to the Tenable ‘Nessus Agent’ as well using only the ‘Remediation script’.

You can use the following example parameters below:

msiexec /i "NessusAgent-X.X.X-x64.msi" NESSUS_GROUPS="GroupName" NESSUS_SERVER="cloud.tenable.com:443" NESSUS_KEY=InsertKeyHere /qn

Cheers!

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Replies (4)

Nic-AutomoxMay 12, 2020
#1

Thanks for sharing that!

JasonG-AutomoxJuly 28, 2020
#2

Got an update on this install script. Working with one of our customers we came up with an install script that should allow exit codes to be reported back to the activity log.

exit (Start-Process -FilePath ‘msiexec.exe’ -ArgumentList (‘NESSUS_GROUPS=“TC_Windows_10” NESSUS_SERVER=“cloud.tenable.com:443” NESSUS_KEY=REMOVED /qn’, ‘/i’, ‘“NessusAgent7.7.0x64.msi”’) -Wait -Passthru).ExitCode

WestyyJuly 28, 2020
#3

Legend; we quite literally wrote one yesterday too! Almost identical.

exit (Start-Process -FilePath ‘msiexec.exe’ -ArgumentList (’/qn’, ‘/i’, ‘“NessusAgent-7.6.3-x64.msi”’, ‘NESSUS_GROUPS=“GROUPNAME”’, ‘NESSUS_SERVER=“cloud.tenable.com:443”’, ‘NESSUS_KEY=REMOVED’) -Wait -Passthru).ExitCode

rafael.gNovember 10, 2021
#4

I’ve tried both start-process methods here and couldn’t get either to work on Server 2019 using the 8.3.1 x64 installer. I finally got this version to work in the execution code. The main difference is the lack of parenthesis around the argumentlist section and the single quote around the msi filename.

exit (Start-Process -FilePath ‘msiexec.exe’ -ArgumentList ‘/l* c:\temp\nessus-install-log.txt’, ‘/qn’, ‘/i’, ‘NessusAgent-8.3.1-x64.msi’, ‘NESSUS_GROUPS=“Servers”’, ‘NESSUS_SERVER=“cloud.tenable.com:443”’, ‘NESSUS_KEY=12345removed678’ -Wait -Passthru).ExitCode

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