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WhitePages
I stopped using YellowPages and moved onto WhitePages... but the page they gave me is all blank!
- 1.If we inspect the file using a HEX editor, we can see that there are two types of whitespaces:$ xxd whitepages.txt | head00000000: e280 83e2 8083 e280 83e2 8083 20e2 8083 ............ ...00000010: 20e2 8083 e280 83e2 8083 e280 83e2 8083 ...............00000020: 20e2 8083 e280 8320 e280 83e2 8083 e280 ...... ........00000030: 83e2 8083 20e2 8083 e280 8320 e280 8320 .... ...... ...00000040: 2020 e280 83e2 8083 e280 83e2 8083 e280 ..............00000050: 8320 20e2 8083 20e2 8083 e280 8320 e280 . ... ...... ..00000060: 8320 20e2 8083 e280 83e2 8083 2020 e280 . ......... ..00000070: 8320 20e2 8083 2020 2020 e280 8320 e280 . ... ... ..00000080: 83e2 8083 e280 83e2 8083 2020 e280 8320 .......... ...00000090: e280 8320 e280 8320 e280 83e2 8083 e280 ... ... ........
- 2.We have the standard space (
0x20), and the Unicode EM SPACE (0xE2 0x80 0x83). Since we have only two options, let's try to treat them as binary. - 3.
picoCTF{not_all_spaces_are_created_equal_f71be4d2457dc2d068e8b1e7a51ed39a}Last modified 2yr ago