The challenge was delivered as a zip file (InsomniDroid.zip). The first challenge was perhaps to download it (with its 602.5 MiB). The zip file contains a single file: mmcblk0.dd. A file command gives some information:
Continue reading Insomni’hack finals – InsomniDroid Level 1 WriteupMonth: March 2015
GS Days 2015
La 7ème édition des “GS Days, Les Journées Francophones de la Sécurité de l’Information” s’est tenue ce mardi 24 mars 2015 à l’Espace St-Martin à Paris.
Continue reading GS Days 2015Insomni’hack finals – Hollywood network writeup
You probably saw on many ‘hackers movies’ weird IP address such a 312.5.125.833. On this challenge, you had to connect on a fake IBM mainframe running on this strange IP stack. After the Z/OS banner, you had to get a shell with “L IMS3270”. No guessing here, it’s simply one of the three suggestions. On the READY prompt, you had a bunch of crappy commands extracted from the Swordfish movie. Only FLAG, IFCONFIG worked. FLAG expects an IP address as parameter. Since this mainframe runs on a non-standard IP stack, you can’t simply enter your IPv4 address. So you have to get a look at the IFCONFIG output:
Continue reading Insomni’hack finals – Hollywood network writeupInsomni’hack finals – SH1TTY writeup
This challenge wasn’t solved during the CTF, but StratumAuhuur was pretty close!
The source, binary and exploit for this challenge can be found on our github here.
Insomni’hack finals – Jurassic Sparc writeup
This task wasn’t solved during the CTF. People must hate sparc!
Find the binary, sources and exploit here!
Continue reading Insomni’hack finals – Jurassic Sparc writeupInsomni’hack finals – smtpwn writeup
This challenge was solved by several teams during the contest, however it seems that most teams didn’t have the intended solution, so here it is 😉
The source, binary and exploit for this challenge can be found on our github here!
smtpwn was a very simple local SMTP service. Basically you write a message to its stdin
, and it’ll write a file to /tmp/
with the following content:
Insomni’hack finals – CTF results
Here is the final scoreboard for Insomni’hack 2015!
Congratz to Dragon Sector for winning again this year!