Seorang teman ada yang masih penasaran dengan level 5 CTF idsecconf 2011 yang saya buat, dan mungkin juga ada yang masih penasaran dan ingin untuk coba-coba mendapatkan "flag"-nya, sehingga saya coba tampilkan kembali disini. Hanya 3 peserta yang berhasil mendapatkan flag, 2 peserta sukses sebelum CTF ditutup.Level 5 merupakan satu-satunya Challenge di ranah Network Security, atau spesificnya network forensic and analysis (untuk level basic-medium). Untuk solving dan penjelasan CTF idsecconf secara keseluruhan (5 level) rencananya akan di tulis dan dibahas oleh the_day pada issue 24 Echo|zine mendatang, jadi bagi yang berminat iseng, silahkan :)
Sesuai alurnya, apabila para peserta level 4 yang lolos ke level 5 akan masuk kesebuah halaman HTML yang berisi :
D4 C3 B2 A1 02 00 04 00 00 00 00 00 00 00 00 00 FF FF 00 00 01 00 00 00 91 23 EF 4D 00 F3 07 00 62 00 00 00 62 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 00 00 54 E7 B5 00 00 40 01 00 00 0A C3 05 2F 0A C3 05 30 08 00 FD C5 AB 5E 00 00 4D EF 23 91 00 07 F2 50 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 E9 23 EF 4D 8C 0C 07 00 4E 00 00 00 4E 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 00 00 40 EB D5 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 3F 00 00 00 00 B0 02 FF FF 20 17 00 00 02 04 05 B4 01 03 03 02 01 01 08 0A 03 F3 63 47 00 00 00 00 04 02 00 00 E9 23 EF 4D C1 0D 07 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 00 00 34 A3 9C 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 40 AE 1C 03 96 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 47 00 12 BC 44 E9 23 EF 4D E3 44 07 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 38 D7 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 40 AE 1C 03 C5 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 47 00 12 BC 45 E9 23 EF 4D 81 46 07 00 4C 00 00 00 4C 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3E FC DD 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 40 AE 1C 03 C5 80 18 FF FF 20 15 00 00 01 01 08 0A 03 F3 63 47 00 12 BC 45 55 53 45 52 20 63 74 66 0D 0A E9 23 EF 4D D6 47 07 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 99 C2 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 4A AE 1C 03 E7 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 47 00 12 BC 45 EC 23 EF 4D 3A C6 09 00 55 00 00 00 55 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 47 2B 9B 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 4A AE 1C 03 E7 80 18 FF FF 20 1E 00 00 01 01 08 0A 03 F3 63 66 00 12 BC 45 50 41 53 53 20 63 74 66 69 64 73 65 63 63 6F 6E 66 0D 0A EC 23 EF 4D A4 A8 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 2D DD 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 5D AE 1C 03 FE 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 87 EC 23 EF 4D 8A A9 0A 00 48 00 00 00 48 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3A 78 8F 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 5D AE 1C 03 FE 80 18 FF FF 20 11 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 87 53 59 53 54 0D 0A EC 23 EF 4D A9 AB 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 D7 AB 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 63 AE 1C 04 11 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D A9 AC 0A 00 48 00 00 00 48 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3A F3 EA 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 63 AE 1C 04 11 80 18 FF FF 20 11 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 46 45 41 54 0D 0A EC 23 EF 4D 8E AD 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 C8 84 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 20 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 72 AE 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 D5 ED 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 27 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 70 AF 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 BD EB 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 2E 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 47 B0 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 A5 87 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 35 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 23 B1 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 A4 D0 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 3C 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 1F B2 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 C9 C2 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 4A 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D F3 B2 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 20 C3 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 51 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D C5 B3 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 81 8E 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 58 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 9A B4 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 A6 8A 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 5F 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D 71 B5 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 16 8A 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 68 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EC 23 EF 4D D5 B5 0A 00 47 00 00 00 47 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 39 2D EA 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 69 AE 1C 04 68 80 18 FF FF 20 10 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 50 57 44 0D 0A EC 23 EF 4D D1 B6 0A 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 FA D3 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 6E AE 1C 04 79 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 67 00 12 BD 88 EF 23 EF 4D 93 1E 06 00 4B 00 00 00 4B 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3D BB 82 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 6E AE 1C 04 79 80 18 FF FF 20 14 00 00 01 01 08 0A 03 F3 63 82 00 12 BD 88 43 57 44 20 63 74 66 0D 0A EF 23 EF 4D 5A 22 06 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 CF DC 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 77 AE 1C 04 9E 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 82 00 12 BE 96 EF 23 EF 4D 72 23 06 00 47 00 00 00 47 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 39 A1 8E 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 77 AE 1C 04 9E 80 18 FF FF 20 10 00 00 01 01 08 0A 03 F3 63 82 00 12 BE 96 50 57 44 0D 0A EF 23 EF 4D F5 24 06 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 F2 82 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 7C AE 1C 04 B3 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 63 82 00 12 BE 96 04 24 EF 4D 77 6F 0B 00 4A 00 00 00 4A 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3C FC 92 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 7C AE 1C 04 B3 80 18 FF FF 20 13 00 00 01 01 08 0A 03 F3 64 57 00 12 BE 96 54 59 50 45 20 49 0D 0A 04 24 EF 4D 48 71 0B 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 9F BD 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 84 AE 1C 04 D2 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 57 00 12 C6 EC 04 24 EF 4D C8 71 0B 00 48 00 00 00 48 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3A 97 D0 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 84 AE 1C 04 D2 80 18 FF FF 20 11 00 00 01 01 08 0A 03 F3 64 57 00 12 C6 EC 45 50 53 56 0D 0A 04 24 EF 4D AA 70 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 E9 BB 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 8A AE 1C 05 03 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D CB 75 0C 00 4E 00 00 00 4E 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 00 00 40 75 F4 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 EF 9E 00 00 00 00 B0 02 FF FF 20 17 00 00 02 04 05 B4 01 03 03 02 01 01 08 0A 03 F3 64 58 00 00 00 00 04 02 00 00 04 24 EF 4D AF 76 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 00 00 34 54 FB 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 EF 9F C7 86 4C 21 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D CD 77 0C 00 51 00 00 00 51 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 43 E7 A6 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 8A AE 1C 05 03 80 18 FF FF 20 1A 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 53 54 4F 52 20 66 69 6C 65 31 2E 37 7A 0D 0A 04 24 EF 4D 20 7C 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 40 D5 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 99 AE 1C 05 19 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D C1 7D 0C 00 1E 01 00 00 1E 01 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 08 01 10 2C EC 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 EF 9F C7 86 4C 21 80 18 FF FF 20 E7 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 37 7A BC AF 27 1C 00 03 D4 20 D3 1B 9B 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 61 BA 69 A4 0D D2 8C F9 5A 47 89 64 AD 88 84 24 0D BB 47 F7 C3 E8 FF 0C 9E A7 54 CF 96 A5 15 DD ED DC BB 56 00 00 81 33 07 AE 0F D0 0E B0 3C 9F 39 10 9C 9F A6 D5 33 DA 7F 1F 33 88 76 33 1F 8D 32 5B 36 16 7C F7 70 7C A3 2F FB 5F 39 32 AE 42 C7 B5 06 43 53 12 9E 8C B0 8C B9 DD 1B 6D 8F 48 54 A6 B1 C4 64 AB 7F 4B 44 58 CA DA 2B 3B E9 33 BA 82 5E 4C 71 20 04 04 C8 65 1A 95 71 AF 9F 4C 67 34 F8 51 00 18 62 6B 55 DF 84 B5 C0 49 07 F7 58 34 BF 86 EA 46 06 82 CE A2 C4 08 00 00 00 17 06 20 01 09 7B 00 07 0B 01 00 01 23 03 01 01 05 5D 00 10 00 00 0C 80 8C 0A 01 BE CD A4 EC 00 00 04 24 EF 4D 5C 7E 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 08 00 34 F2 C1 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 F0 7B C7 86 4C 21 80 11 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D 72 7F 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 08 00 34 F0 98 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 F0 7B C7 86 4C 21 80 11 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D 60 80 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 08 00 34 A1 FD 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 F0 7C C7 86 4C 21 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D AD 81 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 08 00 34 5E AC 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 48 47 D9 6C A1 F0 7C C7 86 4C 22 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 04 24 EF 4D 73 83 0C 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 09 E4 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 99 AE 1C 05 31 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 58 00 12 C6 F3 06 24 EF 4D 7C 67 02 00 48 00 00 00 48 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 3A BB D7 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 99 AE 1C 05 31 80 18 FF FF 20 11 00 00 01 01 08 0A 03 F3 64 65 00 12 C6 F3 51 55 49 54 0D 0A 06 24 EF 4D 1C 69 02 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 A8 CF 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 9F AE 1C 05 3F 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 65 00 12 C7 79 06 24 EF 4D 1D 6A 02 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 64 C4 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 9F AE 1C 05 40 80 10 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 65 00 12 C7 79 06 24 EF 4D 82 72 02 00 42 00 00 00 42 00 00 00 00 0C 29 D9 EE E9 00 25 4B C7 C7 06 08 00 45 10 00 34 AE D0 40 00 40 06 00 00 0A C3 05 2F 0A C3 05 30 C7 35 00 15 25 0B B4 9F AE 1C 05 40 80 11 FF FF 20 0B 00 00 01 01 08 0A 03 F3 64 65 00 12 C7 79
Bagi yang berniat mengerjakan dan mendapatkan flag serta dapat menulis solve dengan baik, silahkan kirim email atau mention saya di @y3dips, siapa tau ada hadiah menanti anda ( yang sudah pernah dapat ga boleh ikutan :P ):)
Ok, have phun!
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