Macbeth

April 18 2017

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Find the flag.

  • Flag Format /flag:[a-zA-Z]+/

Provided Macbeth.docx

Hint : Not all characters are created equal.

Solution

Opening the file we can quickly tell that the entire file has been written in two fonts. We unzip the docx file, and grep the part we are interested in.

$ unzip Macbeth.docx

$ grep "Bitstream Vera Sans Mono\"/></w:rPr><w:t>\(.\)<" document.xml -o
Bitstream Vera Sans Mono"/></w:rPr><w:t>F<
Bitstream Vera Sans Mono"/></w:rPr><w:t>l<
Bitstream Vera Sans Mono"/></w:rPr><w:t>a<
Bitstream Vera Sans Mono"/></w:rPr><w:t>g<
Bitstream Vera Sans Mono"/></w:rPr><w:t>:<
Bitstream Vera Sans Mono"/></w:rPr><w:t>F<
Bitstream Vera Sans Mono"/></w:rPr><w:t>u<
Bitstream Vera Sans Mono"/></w:rPr><w:t>c<
Bitstream Vera Sans Mono"/></w:rPr><w:t>k<
Bitstream Vera Sans Mono"/></w:rPr><w:t>e<
Bitstream Vera Sans Mono"/></w:rPr><w:t>d<
Bitstream Vera Sans Mono"/></w:rPr><w:t>U<
Bitstream Vera Sans Mono"/></w:rPr><w:t>p<
Bitstream Vera Sans Mono"/></w:rPr><w:t>F<
Bitstream Vera Sans Mono"/></w:rPr><w:t>o<
Bitstream Vera Sans Mono"/></w:rPr><w:t>r<
Bitstream Vera Sans Mono"/></w:rPr><w:t>e<
Bitstream Vera Sans Mono"/></w:rPr><w:t>n<
Bitstream Vera Sans Mono"/></w:rPr><w:t>s<
Bitstream Vera Sans Mono"/></w:rPr><w:t>i<
Bitstream Vera Sans Mono"/></w:rPr><w:t>c<
Bitstream Vera Sans Mono"/></w:rPr><w:t>s<

That gives us our flag.

Flag

FuckedUpForensics

Recommended Reading

Bitmaps are cool

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Here is a tiny file that you might find fun to do while cramming other forms of knowledge in your head. :D

All the best for your exams.

  • Flag Format: /flag{.+}/

Provided text.bmp

Solution

This is a simple question meant to be a refresher while...

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c = 49938873005546615435687311504872509785022284769848698526216639826561007249140360312632267256915204926681345807364733487154803200306964789424438457669341375204871001335059277860364152540205309441986059468568646721718475252818788849738581432943901958543446753508706429359356503196241596325655490713282416769960

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