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Exam CCFA topic 1 question 32 discussion

Actual exam question from CrowdStrike's CCFA
Question #: 32
Topic #: 1
[All CCFA Questions]

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

  • A. .*badguydomain\.com.*
  • B. \Device\HarddiskVolume2\*.exe -SingleArgument www.badguydomain.com /kill
  • C. badguydomain\.com.*
  • D. Custom IOA rules cannot be created for domains
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Suggested Answer: A 🗳️
by plantvast at Jan. 26, 2023, 5:01 a.m.

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DarkieCopy
9 months, 3 weeks ago
Selected Answer: A
A is correct. Syntax in \Device\HarddiskVolume2\*.exe -SingleArgument www.badguydomain.com /kill is incorrect (tested on UI)
upvoted 1 times
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sbag0024
10 months, 4 weeks ago
Selected Answer: A
A is correct,
upvoted 1 times
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Dave071
1 year, 1 month ago
A is the correct answer. You can check the regular expression on a regex builder.
upvoted 1 times
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Roy_So
1 year, 3 months ago
Selected Answer: A
A is correct. checked on lab.
upvoted 2 times
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sonian
1 year, 3 months ago
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
upvoted 2 times
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plantvast
1 year, 3 months ago
The syntax for C is correct and this would catch any process trying to reach out to the domain.
upvoted 1 times
ShuliAbba
1 year, 3 months ago
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 "*"...
upvoted 1 times
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C (25%)
B (20%)
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