Заходим на ГУГЛО-ФОРМУ и видим 9 зашифрованных флагов:
Заходим на Кибер Шеф
1. Начинаем расшифровывать:
1 - c3VyY3RmX2Jhc2U2NF9zb19jb29sX2tlaw== - surctf_base64_so_cool_kek - base64
2 - 115 117 114 99 116 102 95 65 83 67 73 73 95 100 101 99 105 109 97 108 95 115 111 95 100 117 114 116 121 - surctf_ASCII_decimal_so_durty - decimal
3 - 01110011 01110101 01110010 01100011 01110100 01100110 01011111 01100010 01101001 01101101 01100010 01100001 01101101 01011111 01100010 01101111 01101101 - surctf_bimbam_bom - binary
4 - ... ..- .-. -.-. - ..-. ..--.- -- --- .-. . ..--.- -- --- .-. . ..--.- -- --- .-. ... . - surctf_more_more_morse - morse
5 - ON2XEY3UMZPWEYLTMUZTEX3TN5PUESKHL5GEKVCUIVJFG=== - surctf_base32_so_big_letters - base32
6 - 73 75 72 63 74 66 5f 48 45 58 5f 42 45 58 5f 4d 45 58 5f 43 45 58 - surctf_hex_bex_mex_cex - hex
7.BAAABBAABBBAAAAAAABABAABAAABAB_AAAABAAAAAAAABAABBABABBAA_ABAAA_ABABAABBABBAABBAABAA_AAAABAAAAAAAABAABBABABBAA - surctf_bacon_i_love_bacon - bacon
8 - F*2M5FCnlh@<6!>2.'-R7pg@OBldWqF'j!1Ea`iuAH - surctf_base85_omg_this_is_strange - base85
9 - 19 21 18 3 20 6 _ 1 12 16 8 1 2 5 20 _ 3 9 16 8 5 18 _ 10 15 10 15 18 5 6 - surctf_base64_so_cool_kek - A1Z26
2.Собираем части шифра base64
Получаем это:
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
3.Дешифруем
Как это выглядит на CyberChef
4.Получаем наш флаг- surctf_google_kr4s4va_shivruy_more - профит!!!