CSAW CTF Quals 2014 - dumpster diving (100pts) writeup

The challenge description was: dumpsters are cool, but cores are cooler

The file is apparently a memory dump of Firefox, let's find out how easy we can get that flag:

mrt:~/csaw/dumpster_diving$ cat firefox.mem | grep -a 'flag{'
Pnegativeone_or_fdZZZZZZZZZZZZnegativeone_or_nothing
ZZnegativeone_or_ssize_tZZd_name_extra_sizeZZZZZZZZZ
ZZZnull_or_dirent_ptrZZZZZZZZZZOSFILE_SIZEOF_DIRZZZ
ZZZZZZZZZ3ZZZZZZZHfLLZZ@mZZZZZZZAG@ryZZZZZZZZ
flag{cd69b4957f06cd818d7bf3d61980e291}

We got our flag:

cd69b4957f06cd818d7bf3d61980e291