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CTFs/Plaid 2014

[Plaid 2014] pwnable : tenement & sass These write ups don't include any exploit codes but just EIP control. tenement Given binary 'tenement' is x86 stripped elf file, too. 12zero@ubuntu:~/Desktop/ctf/plaid2014$ file tenementtenement: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.32, strippedcs And applied memory protections are... 12345678zero@ubuntu:~.. 더보기
[Plaid 2014] pwnable : kappa kappa This chal is also stripped x86 elf. 12zero@ubuntu:~/Desktop/ctf/plaid2014$ file kappakappa: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.26, strippedcs And applied memory protections are... 12345678zero@ubuntu:~/Desktop/ctf/plaid2014$ gdb -q ./kappaReading symbols from ./kappa...(no debugging symbols found)... 더보기
[Plaid 2014] pwnable : ezhp ezhpThis challenge is my first exp to exploit heap overflow bug. So more time is needed than other cases. Anyway, Given file is x86 stripped elf file. 123zero@ubuntu:~/Desktop/ctf/plaid2014$ file ezhpezhp: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.24, stripped Colored by Color Scriptercs Applied memory protecti.. 더보기
[Plaid 2014] reversing : hudak hudakThis Challenge is one of my interesting RE probs what the idea was quiet awesome! - Static AnalysisGiven prob is x86 stripped elf binary. 12zero@ubuntu:~/Desktop$ file hudakhudak: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter strippedcs let's open with IDA! First, we can see password check routine and get string from stdin. 1234567891011// - main .. 더보기
[Plaid 2014] forensic : zfs zfs 123Forensic : zfsThe Plague is using state of the art systems for storing his data. Our operatives managed to steal a drive from one of his servers, but it seems like our haste may have led to some uber-corruption. Can you get the data off the drive to track down The Plague?cs First i just search any strings in this file and i can get useful information 123456789101112131415zero@ubuntu:~/Des.. 더보기