# Lab07: remote Challenges are running on the CTF server, on ports 10700-10710. For example, to connect to the tutorial you can do, ``` $ nc [server_ip_address] 10700 ``` with the CTF server's ip address given on Canvas and Piazza. Port numbers for the challenges are sequential: ``` tut07-socket 10700 passwd 10701 mini-shellshock 10702 obscure 10703 diehard 10704 array 10705 fmtstr-heap2 10706 memo 10707 2kills 10708 return-to-dl 10709 2048-game 10710 tut07-remote 10711 ``` FYI, our server runs on Ubuntu 18.04.3 LTS: ``` - Linux 4.15.0-1051-aws x86_64 GNU/Linux - /usr/arm-linux-gnueabi/lib/libc-2.27.so (md5: 4dff573013a9a75e29df6197d41899c2) - /lib/i386-linux-gnu/libc.so.6 (md5: 13274accb3f37815a223d1ce3a26da9d) - /lib/x86_64-linux-gnu/libc.so.6 (md5: 50390b2ae8aaa73c47745040f54e602f) ``` You can download the challenge files from the sumbission site (e.g., OMSCS): ``` https://allspark.gtisc.gatech.edu:5002/static/labs/lab07/passwd/passwd.zip ``` * Problems + [level 00] tut07-socket [20 points] + [level 01] passwd [20 points] + [level 02] mini-shellshock [20 points] + [level 03] obscure [20 points] + [level 04] diehard [20 points] + [level 05] array [20 points] + [level 06] fmtstr-heap2 [20 points] + [level 07] memo [20 points] + [level 08] 2kills [20 points] + [level 09] return-to-dl [20 points] + [level 10] 2048-game [20 points] + [level 11] tut07-remote [20 points] * Refs - https://docs.python.org/2/howto/sockets.html