vishwaCTF 2021: Apollo 11 | szymanski.ninja

Apollo 11

Category: Reverse Engineering

412 points

Apollo’s next mission is put on hold owing to a backdoor passkey. I’m pretty sure some rival countries have a hand in this. Hope you find it…

file: Apollo11.iso

Solution

sudo mount Apollo11.iso /mnt
cd /mnt/cde/boot_sec
ls

razem 5,5K
dr-xr-xr-x 1 root root 2,0K 02-21 12:50 .
dr-xr-xr-x 1 root root 2,0K 02-21 12:51 ..
-r-xr-xr-x 1 root root  106 12-17 17:08 boot_sec.asm
-r-xr-xr-x 1 root root  512 12-17 17:10 boot_sec.bin
-r-xr-xr-x 1 root root  191 02-21 12:49 _hidden_.zip

unzip _hidden_.zip -d /tmp/

Archive:  _hidden_.zip
 extracting: /tmp/flag.txt

cat /tmp/flag.txt

vishwaCTF{I50_1s_A_MEs5}

Flag

vishwaCTF{I50_1s_A_MEs5}