An incident response analyst finds the following content inside of a log file that was...

CompTIA CAS-005 Question Answer

An incident response analyst finds the following content inside of a log file that was collected from a compromised server:

.2308464678 ... whoami ..... su2032829%72%322/// ...... /etc/passwd .... 2087031731467478432 ...

$6490/90/./ ..< XML ?.. .... nty.

Which of the following is the best action to prevent future compromise?

Blocking the processing of external files by forwarding them to another server for processing

Implementing an allow list for all text boxes throughout the web application

Filtering inserted characters for all user inputs and allowing only ASCII characters

Improving file-parsing capabilities to stop external entities from executing commands

CompTIA CAS-005 Summary

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