极客巅峰 WP

clev1L Lv3
  2024-08-17 19:09:01 2024-08-17 19:09:01 Created   2025-02-23 12:29:57 2025-02-23 12:29:57 Updated  1.6k Words  9 Mins  

babyre

三位三位加密，而且重叠

先进行sha256，然后异或，异或的值为原来的3位字符

所以直接爆破

得到-48-79-80-bf0bd17719429f37-39a4-748f4a37-472977279380b8a}8fb93794a9a49f8a-8a39a4-ag{b-bbd1bfed17ea-f8afb-feaflag{1lag{19

因为有重叠而且打乱了顺序，这里直接投机，把得到的字符串3个3个的划分，开头肯定是fla，因为有重叠，找到开头为la(lag)的字符，然后把g拼上去，再找ag开头的字符，以此类推，递归爆破

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import hashlib
from itertools import product
from string import printable
from tqdm import tqdm
dic = {}
for i in tqdm(product(printable,repeat=3)):
    key="".join(list(i))
    data = list(bytes.fromhex(hashlib.sha256(key.encode('utf-8')).hexdigest() ))
    akey = list(map(ord, key))
    for _ in range(len(data)):
        data[_] ^= akey[_ % 3]
    dic[bytes(data)]=key

enc=[ 0xEB, 0x74, 0x46, 0x4F, 0x79, 0x24, 0xC5, 0x62, 0x10, 0xCB,
  0xFF, 0xC5, 0xA2, 0x39, 0xBE, 0x03, 0x99, 0xED, 0x2C, 0x8F,
  0xB9, 0x54, 0x2B, 0xA7, 0xC5, 0x8A, 0x7E, 0x56, 0x0F, 0x35,
  0x2C, 0xA0, 0x3E, 0xE5, 0xE0, 0x0A, 0x6E, 0xA9, 0x38, 0xCF,
  0x85, 0xF8, 0x82, 0xC7, 0x99, 0xD7, 0x8B, 0xC6, 0x82, 0x22,
  0x54, 0x28, 0xF4, 0xE5, 0x56, 0xD0, 0x47, 0xF1, 0x5E, 0x57,
  0x66, 0x85, 0x5C, 0x04, 0x66, 0x0D, 0xC7, 0x21, 0x81, 0x95,
  0x4C, 0xF9, 0x97, 0x6E, 0x57, 0x05, 0xCB, 0xAA, 0x48, 0x3D,
  0x2A, 0xAB, 0x5A, 0x69, 0x28, 0x3D, 0x68, 0xE4, 0xF7, 0x4C,
  0x23, 0xCF, 0xA8, 0xC2, 0x26, 0xD0, 0xF9, 0x41, 0xE7, 0xF4,
  0xFF, 0x99, 0x60, 0xF1, 0xDA, 0x67, 0x7E, 0x9D, 0xBF, 0x98,
  0x14, 0xB5, 0xB3, 0xE2, 0xD7, 0x99, 0x07, 0x4A, 0xC0, 0x12,
  0x0F, 0x21, 0x2F, 0x3A, 0x52, 0xC3, 0x7F, 0xE3, 0x35, 0xD5,
  0x6D, 0xB4, 0xBD, 0x21, 0x46, 0x00, 0x04, 0x9F, 0x7F, 0x95,
  0x0C, 0x01, 0xFA, 0xBD, 0x86, 0x25, 0x06, 0x56, 0x07, 0x30,
  0x4F, 0x17, 0xAE, 0xF3, 0xC0, 0xF0, 0x17, 0x7F, 0x9B, 0x3E,
  0xBD, 0xE5, 0x66, 0x33, 0x46, 0x60, 0x6C, 0xB3, 0x07, 0xF1,
  0x64, 0x5F, 0x00, 0x6D, 0xB0, 0x88, 0xF3, 0x4F, 0x7D, 0x44,
  0xBE, 0x95, 0x43, 0xA1, 0x39, 0x3B, 0x29, 0x50, 0x6D, 0x1D,
  0x31, 0x81, 0x44, 0x60, 0xFE, 0x7B, 0xAC, 0x48, 0xBD, 0xBB,
  0x8E, 0x35, 0x41, 0x28, 0xE7, 0x53, 0x5C, 0xE7, 0x3B, 0x16,
  0x18, 0xC5, 0x94, 0xD9, 0xD1, 0xB9, 0xBF, 0x71, 0x48, 0xA7,
  0xD7, 0x70, 0x77, 0xE9, 0xA7, 0xFF, 0xA0, 0xBE, 0x1C, 0xFA,
  0x98, 0x00, 0xFE, 0x33, 0x64, 0xF9, 0xE7, 0x30, 0x45, 0x57,
  0x97, 0x40, 0x45, 0xE0, 0xC9, 0x50, 0xB8, 0xF3, 0x44, 0x44,
  0x32, 0xC1, 0x6A, 0xB7, 0xDD, 0xEE, 0x37, 0x1F, 0x60, 0x26,
  0xFA, 0x2D, 0x6F, 0xC1, 0x43, 0x59, 0x8A, 0x9E, 0xE9, 0xE1,
  0x27, 0x36, 0xEA, 0xBD, 0x51, 0x5B, 0xAE, 0x24, 0xBB, 0x03,
  0xE4, 0xC0, 0x62, 0xDD, 0xC2, 0x63, 0xF4, 0xA1, 0x8C, 0x3E,
  0x5C, 0x10, 0xA4, 0xCC, 0x88, 0xE1, 0x9B, 0x04, 0x59, 0x2B,
  0x86, 0x4A, 0xC8, 0x83, 0xD8, 0xB9, 0x94, 0xEE, 0xB2, 0xC4,
  0x64, 0x96, 0xB3, 0x41, 0x6B, 0x00, 0x0C, 0x9A, 0x34, 0x4A,
  0x4F, 0x3C, 0xF2, 0xC3, 0x0D, 0xA6, 0xDD, 0x57, 0xB7, 0xD3,
  0x70, 0x1C, 0xDC, 0xB9, 0x41, 0x8E, 0xAE, 0x8A, 0x04, 0x70,
  0xC2, 0xAD, 0x26, 0x68, 0xEC, 0xF0, 0xE3, 0xAE, 0x6B, 0x6A,
  0x29, 0xF6, 0xAE, 0x3C, 0x23, 0xE3, 0x0F, 0x42, 0x57, 0x1D,
  0xFC, 0x50, 0x71, 0x71, 0xD1, 0x73, 0xF9, 0x28, 0x71, 0x8E,
  0x2A, 0x5D, 0x18, 0xC4, 0x3F, 0x7A, 0x5B, 0x20, 0xE1, 0x25,
  0xA6, 0x42, 0x1E, 0xFB, 0xEF, 0xA5, 0x03, 0x4B, 0xF4, 0x4B,
  0x5E, 0x66, 0xEF, 0x90, 0x12, 0x4E, 0xE2, 0xCF, 0xFD, 0x9A,
  0xAC, 0xE7, 0xC4, 0x93, 0x56, 0xA6, 0x4A, 0xDF, 0xFB, 0xA0,
  0xD4, 0x4D, 0x29, 0xB1, 0x25, 0xAB, 0x8E, 0x98, 0x38, 0x6E,
  0xD9, 0x11, 0x29, 0xB0, 0x19, 0x7A, 0xE9, 0xA6, 0x42, 0xC1,
  0x73, 0x57, 0x8E, 0xFD, 0x47, 0x84, 0xD1, 0xEE, 0x08, 0x7C,
  0xE7, 0x65, 0xA7, 0x14, 0x64, 0x0F, 0x9A, 0xA8, 0x67, 0xA4,
  0xAD, 0x87, 0x92, 0x29, 0xF1, 0x71, 0x20, 0x37, 0xD5, 0x22,
  0xB5, 0x22, 0x6B, 0x2D, 0xC7, 0x44, 0x0E, 0xFC, 0xB7, 0x53,
  0xEC, 0x8A, 0x52, 0xC2, 0x9C, 0xF1, 0xFB, 0x9B, 0xD8, 0x5F,
  0xA6, 0x5F, 0xDA, 0x70, 0xB1, 0x26, 0x1E, 0x14, 0x3F, 0x94,
  0x06, 0xD0, 0x0D, 0x90, 0xAA, 0x0F, 0x55, 0x31, 0x06, 0x52,
  0xF3, 0xF9, 0x08, 0xD7, 0xC1, 0xE5, 0xA8, 0x41, 0xF7, 0x7E,
  0xBD, 0x30, 0x14, 0xFC, 0xA2, 0x3C, 0xB2, 0x23, 0xF8, 0x91,
  0x5D, 0x77, 0x30, 0xAF, 0xC7, 0x27, 0x6F, 0x1C, 0x0F, 0xC7,
  0xEA, 0x33, 0xA3, 0x08, 0x35, 0x53, 0xD2, 0x68, 0x4D, 0x96,
  0x4E, 0xC7, 0xE4, 0xA9, 0x20, 0x5D, 0xEE, 0x6F, 0xCF, 0xEA,
  0xDA, 0x8B, 0x58, 0x9C, 0xF4, 0x83, 0x26, 0xAF, 0x2D, 0xEB,
  0xF5, 0x6D, 0xB4, 0x2A, 0x4D, 0xFD, 0xF7, 0x4B, 0xF9, 0xCB,
  0x0A, 0x34, 0xBF, 0xD9, 0x7B, 0x90, 0xB8, 0x3E, 0x17, 0xE3,
  0x1F, 0xE0, 0xA4, 0x8B, 0x54, 0xC9, 0x4A, 0xC4, 0x17, 0x5B,
  0x46, 0x30, 0x2D, 0x5E, 0x8B, 0x38, 0xD7, 0xCB, 0x42, 0xE6,
  0x18, 0xAE, 0xC9, 0x19, 0x7D, 0x43, 0xB1, 0xB3, 0x68, 0x91,
  0xA1, 0x8C, 0xDC, 0x5C, 0xA5, 0x7F, 0x20, 0x28, 0x41, 0x87,
  0xFE, 0x69, 0x88, 0xD8, 0x60, 0xED, 0x46, 0x07, 0x6F, 0x77,
  0x9B, 0x08, 0x8D, 0x2F, 0xA7, 0x8A, 0x79, 0x8A, 0x55, 0xDC,
  0xC6, 0xE6, 0x57, 0xE8, 0xB1, 0x01, 0xA2, 0x3B, 0x9F, 0x8A,
  0xDE, 0x02, 0xF6, 0x96, 0xD9, 0x05, 0xF6, 0x3C, 0x62, 0x6C,
  0x3E, 0x07, 0xFD, 0x06, 0x00, 0x2B, 0x20, 0x30, 0xB2, 0x0F,
  0xAF, 0xF0, 0x26, 0x25, 0xD9, 0xB8, 0x75, 0xA4, 0xB7, 0x4D,
  0xD4, 0x21, 0xCC, 0xB5, 0x41, 0x1C, 0xC3, 0x09, 0xEB, 0xE7,
  0xCC, 0x75, 0xBE, 0xD4, 0x08, 0xF9, 0xF4, 0x86, 0xE6, 0xCF,
  0xFF, 0x4F, 0x14, 0xAC, 0x36, 0xDF, 0xFB, 0x64, 0x3C, 0x27,
  0x21, 0xA3, 0xAD, 0x4C, 0xA9, 0x54, 0x15, 0xD5, 0x9C, 0xF3,
  0xC3, 0xEE, 0x85, 0xFF, 0x75, 0xF2, 0xBC, 0x6F, 0xFD, 0x1F,
  0xC0, 0x94, 0x99, 0x54, 0x4B, 0x72, 0x18, 0xF5, 0x93, 0x7E,
  0x8B, 0x73, 0xC7, 0x76, 0x4D, 0xEB, 0xC8, 0x40, 0x26, 0x6B,
  0x14, 0xF3, 0xD0, 0x49, 0xAE, 0x95, 0x11, 0xAB, 0x13, 0x5C,
  0xC7, 0x64, 0xC5, 0xC6, 0xF1, 0x0C, 0x87, 0xC0, 0x87, 0xBC,
  0x8D, 0x31, 0x81, 0xD7, 0x47, 0x06, 0x30, 0xD4, 0xA9, 0x83,
  0xFE, 0x40, 0x1F, 0x46, 0xC9, 0x9F, 0x4A, 0x52, 0xD8, 0x1E,
  0x8D, 0x41, 0x46, 0x21, 0x1B, 0xFA, 0x28, 0xAE, 0x52, 0xC9,
  0xD0, 0xE3, 0x97, 0x4A, 0xFB, 0x2D, 0x83, 0x0F, 0x44, 0x31,
  0x36, 0xF4, 0x46, 0x4D, 0xDF, 0xEF, 0xA3, 0x06, 0x88, 0xBE,
  0x27, 0xA8, 0xA0, 0x15, 0x8A, 0x85, 0xB8, 0x04, 0x0C, 0x2C,
  0x04, 0x59, 0x8F, 0x21, 0x11, 0x75, 0x1D, 0x29, 0x6F, 0x86,
  0x2F, 0xFE, 0xBC, 0x2F, 0xB5, 0x0D, 0x65, 0x30, 0xFE, 0x6C,
  0x09, 0xD7, 0x0F, 0x54, 0x66, 0x4E, 0xD2, 0xF2, 0xC4, 0x43,
  0x65, 0xD6, 0x47, 0xB3, 0xE6, 0xD5, 0xBB, 0x45, 0x70, 0x7C,
  0x8B, 0x18, 0xC8, 0xA2, 0x48, 0xB1, 0x53, 0x30, 0x96, 0x05,
  0xB3, 0x4E, 0xD9, 0xCE, 0xF4, 0x21, 0x72, 0x11, 0x4F, 0x52,
  0xAE, 0x47, 0xE8, 0x06, 0x31, 0x31, 0xEF, 0xB2, 0xF1, 0xAD,
  0x55, 0x86, 0x8D, 0x64, 0x87, 0x22, 0x11, 0x1B, 0x00, 0xCF,
  0xE2, 0x13, 0x24, 0x63, 0xF9, 0x65, 0x9A, 0xA1, 0xF8, 0x29,
  0x8E, 0xD2, 0xFB, 0xD1, 0x23, 0x90, 0x71, 0xDC, 0x3A, 0xCF,
  0x63, 0x66, 0x1C, 0x77, 0xA5, 0xAC, 0xBB, 0x54, 0x41, 0x0F,
  0xF3, 0xF7, 0xCF, 0xA1, 0x70, 0x10, 0x40, 0xBD, 0x2D, 0x2C,
  0x8F, 0x72, 0x1A, 0x37, 0xE3, 0x10, 0xA8, 0x46, 0x05, 0x84,
  0x5E, 0x72, 0x02, 0xDB, 0x02, 0x1B, 0x23, 0x46, 0xA1, 0xBB,
  0x92, 0x0A, 0xE8, 0x0D, 0xD0, 0x06, 0x6F, 0x05, 0xA0, 0x52,
  0x4B, 0xC8, 0x03, 0x39, 0xED, 0x99, 0x32, 0x54, 0x28, 0x83,
  0x47, 0x3F, 0xEF, 0xCA, 0x18, 0xC1, 0xC8, 0xB8, 0xC9, 0xB0,
  0xE3, 0x1B, 0x71, 0x69, 0xBA, 0xC1, 0xF1, 0xB9, 0x69, 0x7B,
  0x27, 0x99, 0xBD, 0xB8, 0x69, 0x00, 0x6C, 0x16, 0xC4, 0x9B,
  0x77, 0x52, 0x5A, 0xB7, 0x54, 0x6F, 0xE3, 0x34, 0x5E, 0x5F,
  0x01, 0xA5, 0xE2, 0x48, 0xFB, 0x96, 0x6B, 0x75, 0x92, 0xD2,
  0xA0, 0xDA, 0x0B, 0xED, 0x3E, 0x27, 0xF6, 0xC7, 0x89, 0x64,
  0x7F, 0xDE, 0x73, 0xF5, 0x92, 0x58, 0xFF, 0xC6, 0xA6, 0x38,
  0x75, 0x86, 0x61, 0x12, 0x6F, 0xC0, 0x3D, 0x24, 0x22, 0x6D,
  0xA7, 0x29, 0x5E, 0xBD, 0xF5, 0x0C, 0x52, 0xD9, 0x66, 0x31,
  0xB5, 0x80, 0x4D, 0x02, 0xCD, 0xF2, 0xDC, 0x89, 0xFA, 0x60,
  0x63, 0xCA, 0x2D, 0x00, 0x95, 0x32, 0x00, 0xBE, 0xD4, 0xBF,
  0x73, 0x4C, 0xED, 0xBA, 0x0C, 0x56, 0xA1, 0x85, 0xC4, 0x6C,
  0xB6, 0x0A, 0xBC, 0xDD, 0x8C, 0x61, 0x1E, 0x42, 0x03, 0xB4,
  0xE0, 0xF2, 0x17, 0xFA, 0x14, 0x38, 0x9F, 0xB1, 0xA4, 0x9C, 
  0x03, 0x18, 0x0C, 0xC6, 0x16, 0xC7, 0x30, 0xFA, 0x48, 0xB1,
  0xB9, 0x6E, 0xB1, 0x7D, 0x7B, 0x3B, 0xDF, 0xD9, 0xB6, 0xA7,
  0xD6, 0x46, 0xA5, 0x7C, 0x97, 0x6D, 0xD5, 0x92, 0xA3, 0xF0,
  0x22, 0xA1, 0x53, 0x99, 0xA1, 0xC3, 0x71, 0x40, 0xE1, 0x89,
  0x7B, 0x23, 0x19, 0x18, 0xDC, 0x2F, 0x22, 0x57, 0xDD, 0x2C,
  0xC3, 0x3F, 0xAD, 0xEF, 0x99, 0x93, 0x9C, 0xE9, 0xEB, 0x67,
  0x66, 0x74, 0x45, 0x8E, 0xD4, 0x87, 0x98, 0x4E, 0x9F, 0x8D,
  0x2C, 0x7D, 0xF2, 0x3D, 0x80, 0x93, 0x94, 0x0F, 0xEA, 0xB5,
  0x86, 0xD0, 0xE6, 0x74, 0xB6, 0xB2, 0x41, 0x61, 0x25, 0xDE,
  0xD9, 0xC2, 0x38, 0x6A, 0x24, 0x7F, 0x1D, 0x87, 0xBA, 0xD1,
  0xCA, 0xB6, 0x40, 0x57, 0x9E, 0xAE, 0x30, 0x50, 0xFF, 0xD0,
  0xA8, 0xAE, 0xDF, 0x52, 0x25, 0x4A, 0xA5, 0xE9, 0x18, 0x6F,
  0x06, 0x0C, 0x97, 0x15, 0x0E, 0xC2, 0x66, 0x26, 0xCC, 0x84,
  0x51, 0xC4, 0x75, 0x69, 0x76, 0x4B, 0x28, 0x16, 0x67, 0xA5,
  0x44, 0x28, 0xE0, 0x96, 0xA2, 0x0A, 0x5D, 0x81, 0xEB, 0x4D]
for i in range(0,len(enc),32):
    print(dic[bytes(enc[i:i+32])],end="")
print()
flag='''-48-79-80-bf0bd17719429f37-39a4-748f4a37-472977279380b8a}8fb93794a9a49f8a-8a39a4-ag{b-bbd1bfed17ea-f8afb-feaflag{1lag{19'''
flags=[flag[i:i+3] for i in range(0,len(flag),3)]

def crack(flag, level):
  get = flag[-2:]
  if flag.endswith("}"):
    print(flag)
    exit()
  for i in flags:
    if i.startswith(get):
      flag += i[-1]
      crack(flag, level + 1)


crack("fla", 0)
#flag{194a39a4-7937-48fb-bfea-80bd17729f8a}
  • Title: 极客巅峰 WP
  • Author: clev1L
  • Created at : 2024-08-17 19:09:01
  • Updated at : 2025-02-23 12:29:57
  • Link: https://github.com/clev1l/2024/08/17/极客巅峰-WP/
  • License: This work is licensed under CC BY-NC-SA 4.0.
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极客巅峰 WP
  1. babyre