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
#bitmap #ctf #stegnoHere 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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#Weiner #crypto #ctf #rsac = 49938873005546615435687311504872509785022284769848698526216639826561007249140360312632267256915204926681345807364733487154803200306964789424438457669341375204871001335059277860364152540205309441986059468568646721718475252818788849738581432943901958543446753508706429359356503196241596325655490713282416769960
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