CTF-Writeups

CTF Writeups for fun!πŸ˜‹

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no strings

This binary contains a free flag. No strings attached, seriously!

使用hexdump -C nostringsζŸ₯ηœ‹16θΏ›εˆΆ:

00002000  01 00 02 00 00 00 00 00  44 00 55 00 43 00 54 00  |........D.U.C.T.|
00002010  46 00 7b 00 73 00 74 00  72 00 69 00 6e 00 67 00  |F.{.s.t.r.i.n.g.|
00002020  65 00 6e 00 74 00 5f 00  73 00 74 00 72 00 69 00  |e.n.t._.s.t.r.i.|
00002030  6e 00 67 00 73 00 5f 00  73 00 74 00 72 00 69 00  |n.g.s._.s.t.r.i.|
00002040  6e 00 67 00 7d 00 66 6c  61 67 3f 20 00 77 72 6f  |n.g.}.flag? .wro|
00002050  6e 67 21 00 63 6f 72 72  65 63 74 21 00 00 00 00  |ng!.correct!....|
00002060  01 1b 03 3b 34 00 00 00  05 00 00 00 c0 ef ff ff  |...;4...........|
00002070  68 00 00 00 20 f0 ff ff  50 00 00 00 19 f1 ff ff  |h... ...P.......|
00002080  90 00 00 00 f0 f1 ff ff  b8 00 00 00 60 f2 ff ff  |............`...|
00002090  00 01 00 00 00 00 00 00  14 00 00 00 00 00 00 00  |................|
000020a0  01 7a 52 00 01 78 10 01  1b 0c 07 08 90 01 00 00  |.zR..x..........|
000020b0  14 00 00 00 1c 00 00 00  c8 ef ff ff 2f 00 00 00  |............/...|
000020c0  00 44 07 10 00 00 00 00  24 00 00 00 34 00 00 00  |.D......$...4...|
000020d0  50 ef ff ff 60 00 00 00  00 0e 10 46 0e 18 4a 0f  |P...`......F..J.|
000020e0  0b 77 08 80 00 3f 1a 3b  2a 33 24 22 00 00 00 00  |.w...?.;*3$"....|
000020f0  24 00 00 00 5c 00 00 00  81 f0 ff ff d2 00 00 00  |$...\...........|
00002100  00 41 0e 10 86 02 43 0d  06 45 83 03 02 c8 0c 07  |.A....C..E......|
00002110  08 00 00 00 00 00 00 00  44 00 00 00 84 00 00 00  |........D.......|
00002120  30 f1 ff ff 65 00 00 00  00 46 0e 10 8f 02 49 0e  |0...e....F....I.|
00002130  18 8e 03 45 0e 20 8d 04  45 0e 28 8c 05 44 0e 30  |...E. ..E.(..D.0|
00002140  86 06 48 0e 38 83 07 47  0e 40 6e 0e 38 41 0e 30  |[email protected]|
00002150  41 0e 28 42 0e 20 42 0e  18 42 0e 10 42 0e 08 00  |A.(B. B..B..B...|
00002160  10 00 00 00 cc 00 00 00  58 f1 ff ff 05 00 00 00  |........X.......|
00002170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

flag:DUCTF{stringent_strings_string}