Points: 150 Category: PWN Description You are still trying to get code execution on your own? Hahaha. There is an app for that! We are now introducing Remote Code Execution as a Service (RCEaaS). Pro tips: +[--->++<]>.++++[->++++<]>+.++++++++++.----------.+++++++++++.[---->+<]>+++.-[--->++<]>--.++++++++++++..----.[-->+<]>++.-----------..[--->+<]>+++.[--->+<]>.--------.[->+++++<]>--.+[--->+<]>++++.++++++.[--->+<]>-----.---[->++<]>.++[--->++<]>+.>++++++++++. Flag is at A:\FLAG.TXT…
Link: https://score.ctf.westerns.tokyo/problems/38 (only for logged in users) Points: 300 Category: forensic, PPC Description The stupid RAID NAS fails after two disks are crashed. Please rescue our exploit source code. Incomplete RAID emulator is attached. defective-raid.7z tl;dr Provided archive contains custom RAID implementation…
Link: https://score.ctf.westerns.tokyo/problems/5 (only for logged in users) Points: 50 Category: forensic, warmup Description Today, our 3-disk NAS has failed. Please recover flag. deadnas.7z Hint 1: The NAS used RAID. Hint 2: RAID-5 Solution
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$file disk* disk0: DOS/MBR boot sector, code offset 0x3c+2, OEM-ID "mkfs.fat", sectors/cluster 4, root entries 512, sectors 2048 (volumes <=32 MB) , Media descriptor 0xf8, sectors/FAT 2, sectors/track 32, heads 64, reserved 0x1, serial number 0x867314a9, unlabeled, FAT (12 bit) disk1: ASCII text disk2: data $ ls -lh 512K disk0 12 disk1 512K disk2 $ cat disk1 crashed :-( |
From above output we know that disk1 is missing.…
Link: https://backdoor.sdslabs.co/challenges/DTUNE Author: Vishrut Kumar Mishra Points: 70 Category: forensic, sound Description Vector recorded this audio when Gill Bates was opening his/her vault and Gru stole this recording from him (stealing from a thief ain’t a crime, right?). Help Gru…