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web/big blind From the title “Big Blind” I assumed this was some kind of Blind Injection, probably SQL, but I didn’t want to assume anything. Sending a single ' returned a 500 internal server error, backing up my theory that it was probably blind SQL injection. After trying a few different things, using the sleep function didn’t return an erro...

misc/c-brother-1 (65 solves/476 points) Description: AC01010 and JC01010’s long lost twin has joined the HSCTF discord and started a Youtube channel! Although they haven’t uploaded any videos, they’ve made some customizations to some of their video watermarks. Please respect the privacy of our organizers and do not OSINT any of our organizers....

crypto/aptenodytes-forsteri Description Here’s a warmup cryptography challenge. Reverse the script, decrypt the output, submit the flag. [output.txt] [aptenodytes-forsteri.py] Solution Let’s start by downloading both and opening them -[output.txt]: IOWJLQMAGH -[aptenodytes-forsteri.py]: flag = open('flag.txt','r').read() #open the flag assert...

algo/Class meets Summary: 2 students switched between in person and virtual school after i days of in person and v days of virtual, both starting in person first. Assuming each month is 30 days with 12 months, how many times do they “meet” (both being in person or both being virtual) given a starting and ending date? Solution: Create 3 arrays ...

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