[BSidesSF2019]blink（CTF-Tools）

[BSidesSF2019]blink

用jeb取出的base64如下

 byte[] v3 = Base64.decode(" data:image/jpeg;base64,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[...]SItEepNLjDFEBMIJmJd6SqQcL1SxAqxOr6ecbOtm2eSQnmgwlF7AkxgAAFGvCx7dJJyxIgg/8X//2Q==".split(",")[1], 0);

75 AB 5A 8A 66 A0 7B F8 E9 7A 06 DA B1 EE B8 FF D8 FF E0 00 10 4A 46 49 46 00 01 01 00 00 01 00 01 00 00 FF DB 00 43 00 03 02 02 02 02 02 03 02 02 02 03 03 03 03 04 06 04 04 04 04 04 08 06 06 05 06 09 08 0A 0A 09 08 09 09 0A 0C 0F 0C 0A 0B 0E 0B 09 09 0D 11 0D 0E 0F 10 10 11 10 0A 0C 12 13 12 10 13 0F 10 10 10 FF DB 00 43 01 03 03 03 04 03 04 08 04 04 08 10 0B 09 0B 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 FF C2 00 11 08 01 84 02 6C 03 01 11 00 02 11 01 03 11 01 FF C4 00 1D 00 01 00 02 02 03 01 01 00 00 00 00 00 00 00 00 00 00 07 08 01 06 02 04 05 09 03 FF C4 00 1C 01 01 00 01 05 01 01 00 00 00 00 00 00 00 00 00 00 00 01 02 03 04 05 07 06 08 FF DA 00 0C 03 01 00 02 10 03 10 00 00 01 AA 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0C 80 72 80 C1 93 88 90 C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 39 55 1F A5 15 6F 7A 8B B2 AF 94 C8 DF 7C D5 FD A7 4F 77 D2 C5 A8 75 2E D3 AD 6D ED 68 DE 86 CC 63 EA AC 46 9E 87 1F AB 5C 60 44 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0F DE 94 CB E5 B2 AC 2F 33 CE DB FC ED FE 58 B5 AA 8C D3 38 48 4D 24 92 BB 47 85 BA B3 03 F4 5C 28 1B DC E1 79 97 98 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 CD 4C C3 70 D6 5E B5 FC 97 61 20 78 BC BE 54 CA 90 24 80 30 9C A0 13 83 33 1A E7 A5 C6 AA DD 77 5B 15 FA 3B 18 47 1A 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1C A5 2C 79 BC AB 71 C4 F6 5E 86 B6 F6 68 00 00 00 00 07 13 37 1C 32 68 AD BD 67 59 5D BA 06 17 E7 4C 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 CC C6 61 2E 79 8C AB 79 C4 F6 DD 9D 75 60 00 00 00 00 00 03 8D FA 6B C7 57 D5 D6 8E 8F 87 C2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 99 8D EF 53 93 76 38 3E D7 BF AA BA A4 00 00 00 00 00 00 31 2E 39 14 D5 0E D9 A9 83 FD 86 2E 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 EE 5B 9B C9 C3 B6 BB 9F 90 CC 00 00 00 00 00 00 00 62 E4 E2 29 D4 BD 7E 1D 16 EE 1A BE A5 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 4B 05 E1 F2 EC F7 18 DB 72 B5 20 00 00 00 00 00 00 0F C3 3A D4 17 D2 B0 6B 67 47 C2 F2 EF D1 8A 64 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 66 A8 EE 51 5D F9 F9 FB 71 EE E8 72 16 C0 00 00 00 00 00 4C 62 58 AE 34 BF 57 8B 56 3A D6 BE 3B DE 59 C5 2C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 66 53 0F 98 C8 B7 FC 17 73 CA 89 40 00 00 00 00 00 0B 8E 96 C2 CD 74 EA 1A F8 03 DF E2 75 6B 8C 52 C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 E4 5B 5E 4F B2 9A B9 9E C3 90 00 00 00 00 00 71 A8 BF 4C 67 ED F1 2A D7 55 D6 EA 39 F4 71 00 03 D5 24 33 5E 34 93 00 03 91 BF 1E A9 1D 1E 78 00 1D 93 D5 3C 83 F0 00 00 00 00 00 00 00 00 00 00 00 73 99 BE BC 07 6F B5 F9 8C B2 00 00 00 00 00 71 3C 8D E5 8A C9 D6 F5 B0 AF AE C7 E0 A7 8C 48 00 6E A5 F6 36 73 F1 2A A1 57 CC 03 25 C0 2C 79 C8 D2 0A 0C 6B A0 12 31 77 0D C0 D2 8A 40 68 20 00 00 00 00 00 00 00 00 00 00 76 69 9F A2 7F 37 EF 3F 7D 6D D0 00 00 00 02 58 97 1C 8A 21 9E 89 87 58 BA 66 B7 C3 CC 8C 52 00 00 2E A1 60 00 3A 47 CD 23 C5 06 EC 7D 19 3F 50 60 AB 65 50 06 4F A1 24 94 0C 11 49 41 0E 20 00 00 00 00 00 00 00 00 00 03 D5 B3 57 D0 BF 9B B7 DC F0 AA 00 00 00 00 2B 6A BE 93 12 AD 75 CC 08 BB D0 E3 71 99 C0 80 00 01 79 89 B8 03 F3 3E 69 9A D8 24 63 E8 69 90 60 AD C5 3D 06 4F A7 07 B6 01 AB 1F 35 4C 00 00 00 00 00 00 00 00 00 00 0F 52 C5 5F 43 7E 6E DE 30 EE 72 00 00 00 00 4B 4F F5 78 95 93 AB E0 45 BE 86 C7 E5 5D 2A 18 48 00 01 31 17 A4 EC 02 11 28 E1 C4 1F B9 7F 89 34 C9 E7 94 04 8E 81 92 E7 16 10 C9 82 B7 14 F8 C0 00 00 00 00 00 00 00 00 00 00 FD E2 7E 8A 7C DD BD EC 6B 6E 00 00 00 01 C4 CC CA B8 5D A2 31 F6 B8 95 A3 A7 E0 68 9B 9B 5C 69 00 00 19 24 E2 60 35 A2 04 3A 00 03 D4 2C 11 EA 90 A1 1F 80 0F 44 B3 A4 80 46 E5 67 3A 20 00 00 00 00 00 00 00 00 00 00 73 4D F2 E0 9B 8D BB CB 65 10 00 00 71 39 03 89 C9 24 0E 32 FC F3 28 86 7A 26 05 6E E8 F8 9A DE 75 AC 40 62 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 39 16 C7 94 EC E7 0E 63 9E 38 83 90 00 00 00 00 E3 54 A6 8E 96 D2 88 07 A5 60 57 EF 7F 8B E5 DE B7 8A 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 39 55 12 EF 96 CA B8 9C 17 6F 8A 6B CC 40 00 00 00 00 00 31 2C 4B C2 DF 58 AE 5D 53 5D 09 7A EC 5E BD C8 E3 4C 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 33 2E DD 15 DF 7E 03 B8 F7 F4 19 18 B5 1C 80 00 00 00 00 00 60 C5 4C D4 D3 3D 66 25 69 EA 38 31 57 A2 C6 FC E4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 C9 3E F8 9C DB 47 C5 F6 BC AC 80 00 00 00 00 00 00 E2 0C 5E 88 CF DC 61 D5 8E B5 AE D4 B3 2D 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3B 74 CD E0 E2 3B 7D E3 C5 E5 00 00 00 00 00 00 00 07 1A 9E 7E DE C5 16 EF DA 7D 5F 36 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 07 29 6E BA CB D7 6B 82 ED FD 0D 45 CE 51 20 00 00 00 00 00 03 15 C7 0B D4 D4 AE E1 AB 85 FD 66 1F 18 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 64 25 4F 3D 7E E1 70 DD AF 73 5B 78 00 00 00 00 00 00 71 C8 A2 B6 76 2D 6D 73 F7 58 38 30 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 19 94 A1 E7 AF DB DE 27 B3 F4 F5 79 39 B6 C1 C9 03 88 07 20 71 39 00 0E 35 3F 2C CA 2B 47 5D D6 D7 CF 73 85 C4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 4C CB 6A D7 DC B5 BC 9F 63 24 78 9C C5 A7 2A 64 01 83 20 00 0E 37 1A AF A7 C5 AA BD 73 5F 1A 6F F1 F1 0C