Securing old web server IIS6

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Securing old web server IIS6

L0 Member



We are solving a case of an IIS6.1 vulnerability on an old Windows 2008 R2 SP1 system. Microsoft no longer has support for Windows update. The customer cannot migrate to the newer system yet.
Would Cortex XDR be able to secure IIS v6.1 web server vulnerabilities?




L3 Networker

@Fido Practically I think you should take defense in depth approach here and not just rely on Cortex XDR.


> Ring fence server i.e. make sure you lock it down into its own network.

> Monitor logons and expose what is required to the internet if a public facing internet.

> Enable IPS system for network traffic. (Test first by enabling IDS before IPS)


Apart from above, you should be able to get prevention on post exploitation activity with Cortex for un-known threats and as well for known threat.

Example: A command interpreter process such as cmd.exe or powershell.exe spawn from w3wp.exe

You can also create your own detection which can help you detect threats related to your environment.


What version of Cortex XDR are you looking to install?

Kind Regards

Hi @Fido 

I agree with what @KanwarSingh01  suggests. 

You could develop some use cases and implement them through your own correlation rules, BIOCs, .... You could even ingest logs from your  IIS6.1 with Cortex XDR Collectors or Filebeat, parse them on XDR and from there you can be creative on what are your defensive goals (from which threats do you want to protect your web server) 




L0 Member

Thanks guys for the feedback.
@KanwarSingh01  We want to install Cortex XDR 7.7

You should be good here.

Kind Regards
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