CCFA Exam QuestionsBrowse all questions from this exam

CCFA Exam - Question 32


Which of the following is an effective Custom IOA rule pattern to kill any process attempting to access www.badguydomain.com?

Show Answer
Correct Answer: A

An effective Custom IOA rule pattern to kill any process attempting to access www.badguydomain.com should be able to capture any instance of the domain within various processes or commands. The pattern '.*badguydomain\.com.*' uses regular expressions to match any string containing 'badguydomain.com', regardless of what comes before or after it. This ensures that any process attempting to access www.badguydomain.com or any subdomains will be detected and handled appropriately.

Discussion

6 comments
Sign in to comment
sonianOption: A
Jan 28, 2023

The answer is A. You are usuing RegEx here and need leading ".*" to capture www and then need a ".*" at the end to identify any sites falling under badguydomain.com

Roy_SoOption: A
Feb 1, 2023

A is correct. checked on lab.

plantvastOption: C
Jan 26, 2023

The syntax for C is correct and this would catch any process trying to reach out to the domain.

ShuliAbba
Jan 28, 2023

but where would you put this string - command, parent name, image file name?? I copied the sting in option B to the command line and it suggested a few minor suggestions of "\" or "*"...

Dave071Option: A
Mar 30, 2023

A is the correct answer. You can check the regular expression on a regex builder.

sbag0024Option: A
Jun 14, 2023

A is correct,

DarkieCopyOption: A
Jul 19, 2023

A is correct. Syntax in \Device\HarddiskVolume2\*.exe -SingleArgument www.badguydomain.com /kill is incorrect (tested on UI)