{"id":1211,"date":"2025-11-24T11:32:23","date_gmt":"2025-11-24T03:32:23","guid":{"rendered":"https:\/\/www.sanjiuctf.com\/?p=1211"},"modified":"2025-11-24T11:32:24","modified_gmt":"2025-11-24T03:32:24","slug":"xctf%e6%94%bb%e9%98%b2%e4%b8%96%e7%95%8cmisc%e9%9a%be%e5%ba%a6%e4%ba%8c%e6%89%80%e6%9c%89%e6%95%b4%e5%90%88wp","status":"publish","type":"post","link":"https:\/\/www.sanjiuctf.com\/?p=1211","title":{"rendered":"XCTF\u653b\u9632\u4e16\u754cMisc\u96be\u5ea6\u4e8c\u6240\u6709\u6574\u5408wp"},"content":{"rendered":"\n

\u524d\u8a00\uff1a<\/h2>\n\n\n\n

\u8fd9\u4e2a\u653b\u9632\u4e16\u754c\u7684\u9898\u76eeMisc\u96be\u5ea6\u4e8c\u662f\u6211\u524d\u534a\u5e74\u505a\u7684\u73b0\u5728\u624d\u6574\uff0c\u89c1\u8c05\uff0c\u65e9\u90fd\u505a\u4e86\uff0c\u6ca1\u6709\u65f6\u95f4\u5f04<\/p>\n\n\n\n

\u6587\u4ef6\u5206\u4eab<\/h2>\n\n\n\n

\u901a\u8fc7\u7f51\u76d8\u5206\u4eab\u7684\u6587\u4ef6\uff1a\u653b\u9632\u4e16\u754c\u96be\u5ea6\u4e8c.zip
\u94fe\u63a5: https:\/\/pan.baidu.com\/s\/1Efi3GORbAkK3RHYbnh3N2g?pwd=6180<\/a> \u63d0\u53d6\u7801: 6180<\/p>\n\n\n\n

1.MeowMeowMeow<\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
RG8geW91IGtub3cgd2hhdCBBc2NpaSBhcnQgaXM\/IEhpbnQ6SSBwdXQgdGhlIHNlcmVjdCBpbiBhIDAxIEFzY2lpIGFydC4=<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
Do you know what Ascii art is? Hint:I put the serect in a 01 Ascii art.\n\n\u4f60\u77e5\u9053 Ascii \u827a\u672f\u662f\u4ec0\u4e48\u5417\uff1f\u63d0\u793a\uff1a\u6211\u628a serect \u653e\u5728 01 Ascii \u827a\u672f\u4e2d\u3002<\/code><\/pre>\n\n\n\n
\u6539\u6210\u4e8c\u8fdb\u5236<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u5b57\u6bcd<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
CatCTF{CAT_GOES_MEOW}<\/code><\/pre>\n\n\n\n
2.Peekaboo<\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u300a\u738b\u8005\u8363\u8000\u300b\u6e38\u620f\u300a\u76db\u4e16\u957f\u5b89\u300b\u7248\u672c\u7684\u56fe\u7247<\/p>\n\n\n\n
\u67e5\u4e86\u67e5\u8d44\u6599\u662f2017\u5e74\u7684<\/p>\n\n\n\n
\u6240\u4ee5\u67e52017\u5e74\u738b\u8005\u8363\u8000\u51fa\u65b0\u7684\u82f1\u96c4<\/p>\n\n\n\n
\u63d0\u95ee\uff1a\u6700\u540e\u4e00\u6b21\u4f7f\u7528\u7684\u82f1\u96c4\u662f\uff1f<\/p>\n\n\n\n
2017\u5e74\u65b0\u82f1\u96c4\u4e00\u89c8<\/strong><\/p>\n\n\n\n
    \n

  1. 1. \u54ea\u5412
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a1\u670812\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u6218\u58eb\/\u7a81\u8fdb
      - \u7279\u70b9\uff1a\u5168\u56fe\u8ffd\u51fb\u5927\u62db\uff0c\u9ad8\u989d\u514d\u4f24\u3002
    2. \u8bf8\u845b\u4eae
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a1\u670824\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u6cd5\u5e08\/\u7206\u53d1
      - \u7279\u70b9\uff1a\u9ad8\u7206\u53d1\u3001\u591a\u6bb5\u4f4d\u79fb\uff0c\u88ab\u52a8\u8c0b\u7565\u523b\u5370\u53e0\u52a0\u4f24\u5bb3\u3002
    3. \u9ec4\u5fe0
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a2\u67088\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u5c04\u624b\/\u70ae\u53f0
      - \u7279\u70b9\uff1a\u67b6\u70ae\u540e\u8d85\u8fdc\u8ddd\u79bbAOE\u8f93\u51fa\uff0c\u5b88\u5854\u80fd\u529b\u5f3a\u3002
    4. \u5927\u4e54
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a2\u670828\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u8f85\u52a9\/\u6218\u672f
      - \u7279\u70b9\uff1a\u9996\u4e2a\u56db\u6280\u80fd\u82f1\u96c4\uff0c\u5168\u56fe\u4f20\u9001\u961f\u53cb\uff0c\u6218\u672f\u6838\u5fc3\u3002
    5. \u4e1c\u7687\u592a\u4e00
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a3\u670830\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u5766\u514b\/\u5438\u8840
      - \u7279\u70b9\uff1a\u8fd1\u6218\u5438\u8840\u538b\u5236\uff0c\u5927\u62db\u5f3a\u63a7\u6362\u8840\u3002
    6. \u5e72\u5c06\u83ab\u90aa
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a5\u670822\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u6cd5\u5e08\/\u8fdc\u7a0b
      - \u7279\u70b9\uff1a\u8d85\u8fdc\u8ddd\u79bb\u53cc\u5251\u5f39\u9053\uff0c\u9ad8\u96be\u5ea6\u9ad8\u7206\u53d1\u3002
    7. \u9b3c\u8c37\u5b50
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a6\u670829\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u8f85\u52a9\/\u9690\u8eab
      - \u7279\u70b9\uff1a\u7fa4\u4f53\u9690\u8eab\u52a0\u901f\uff0c\u5f00\u56e2\u5229\u5668\u3002
    8. \u94e0
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a7\u670818\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u6218\u58eb\/\u5355\u6311
      - \u7279\u70b9\uff1a\u5927\u62db\u683c\u6321\u4f24\u5bb3\uff0c\u5355\u6311\u5f3a\u52bf\uff0c\u4eba\u79f0\u201c\u94e0\u7239\u201d\u3002
    9. \u767e\u91cc\u5b88\u7ea6
      - \u4e0a\u7ebf\u65f6\u95f4\uff1a8\u67088\u65e5\uff08\u6b63\u5f0f\u670d\uff09
      - \u5b9a\u4f4d\uff1a\u5c04\u624b\/\u72d9\u51fb
      - \u7279\u70b9\uff1a\u8d85\u8fdc\u8ddd\u79bb\u72d9\u51fb\uff0c\u89c6\u91ce\u5e03\u7f6e\uff0c\u666e\u653b\u7206\u53d1\u9ad8\u3002
    10. \u767e\u91cc\u7384\u7b56
       - \u4e0a\u7ebf\u65f6\u95f4\uff1a8\u670824\u65e5\uff08\u6b63\u5f0f\u670d\uff09
       - \u5b9a\u4f4d\uff1a\u523a\u5ba2\/\u6536\u5272
       - \u7279\u70b9\uff1a\u94a9\u9570\u63a7\u5236\uff0c\u51fb\u6740\u540e\u72c2\u66b4\u52a0\u901f\uff0c\u64cd\u4f5c\u4e0a\u9650\u9ad8\u3002
    11. \u82cf\u70c8
       - \u4e0a\u7ebf\u65f6\u95f4\uff1a9\u670826\u65e5\uff08\u6b63\u5f0f\u670d\uff09
       - \u5b9a\u4f4d\uff1a\u5766\u514b\/\u56e2\u63a7
       - \u7279\u70b9\uff1a\u88ab\u52a8\u590d\u6d3b\uff0c\u591a\u6bb5\u51fb\u98de\u63a7\u5236\uff0c\u5f00\u56e2\u80fd\u624b\u3002
    12. \u5973\u5a32
       - \u4e0a\u7ebf\u65f6\u95f4\uff1a11\u670821\u65e5\uff08\u6b63\u5f0f\u670d\uff09
       - \u5b9a\u4f4d\uff1a\u6cd5\u5e08\/\u5168\u5c40
       - \u7279\u70b9\uff1a\u5168\u56fe\u4f20\u9001\uff0c\u77e9\u9635\u963b\u6321\u5730\u5f62\uff0c\u540e\u671f\u5927\u6838\u3002
    13. \u660e\u4e16\u9690
       - \u4e0a\u7ebf\u65f6\u95f4\uff1a12\u670813\u65e5\uff08\u6b63\u5f0f\u670d\uff09
       - \u5b9a\u4f4d\uff1a\u8f85\u52a9\/\u589e\u76ca
       - \u7279\u70b9\uff1a\u94fe\u5b50\u8fde\u63a5\u961f\u53cb\u63d0\u5347\u5c5e\u6027\uff0c\u4fd7\u79f0\u201c\u7b2c\u4e03\u795e\u88c5\u201d\u3002<\/code><\/pre>
    \u7136\u540e\u4e00\u4e2a\u4e00\u4e2a\u8bd5\u8bd5<\/p>
    <\/li>\n<\/ol>\n\n\n\n
    \u6700\u540e\u662f\u767e\u91cc\u7384\u7b56<\/p>\n\n\n\n
    CatCTF{bailixuance}<\/code><\/pre>\n\n\n\n
    3.\u771f\u662f\u9633\u95f4\u9898<\/h2>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \u5185\u5bb9\uff1a<\/p>\n\n\n\n
    \u827e\u5c14\u767b\u6cd5\u73af\u6b63\u5f0f\u53d1\u552e\u5728\u5373\uff0c\u8feb\u4e0d\u53ca\u5f85\u7684mjj\u8eab\u4e0a\u597d\u50cf\u6709\u8682\u8681\u5728\u722c\uff0c\u5199\u4e0b\u4e86\u4e00\u53e5\u8c1c\u8bed\uff1a\n3207357975641587136122466514425152961654613410728337142271750273124995105747053991640817066352343657398947248938255086358418100814441196784643527787764297\n\u8c1c\u5e95\u5c31\u662fflag\uff0c\u4e5f\u662f\u4ed6\u7ed9\u6240\u6709\u65b0\u751f\u7684\u795d\u798f\uff0c\u5e0c\u671b\u5927\u5bb6\u4eab\u53d7\u89e3\u7801\u7684\u8fc7\u7a0b\u3002<\/code><\/pre>\n\n\n\n
    3207357975641587136122466514425152961654613410728337142271750273124995105747053991640817066352343657398947248938255086358418100814441196784643527787764297<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e2a\u6570\u5b57\u8f6c\u4e3a16\u8fdb\u5236\u770b\u770b<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    3d3d3d3d513642475354334f4859464d37435a415450424f4454344348324d4e37434e36565a414f5a3358474859344b374b354144474e504553554355495a49<\/code><\/pre>\n\n\n\n
    \u5728\u653e\u5230\u968f\u6ce2\u9010\u6d41\u770b\u770b<\/p>\n\n\n\n
    \u8f6c\u6210\u5b57\u7b26<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    ====Q6BGST3OHYFM7CZATPBODT4CH2MN7CN6VZAOZ3XGHY4K7K5ADGNPESUCUIZI<\/code><\/pre>\n\n\n\n
    \u53cd\u8f6c\u4e00\u4e0b\uff1a<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    IZIUCUSEPNGDA5K7K4YHGX3ZOAZV6NC7NM2HC4TDOBPTAZC7MFYHO3TSGB6Q====<\/code><\/pre>\n\n\n\n
    base32\u89e3\u7801\uff1a<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    FQARD{L0u_W0s_yp3_4_k4qrcp_0d_apwnr0}<\/p>\n\n\n\n
    \u51ef\u6492\u89e3\u7801\uff1a<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    HSCTF{N0w_Y0u_ar3_4_m4ster_0f_crypt0}<\/code><\/pre>\n\n\n\n
    4.Simple-Math<\/h2>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \u5199\u51fa\u5bf9\u5e94\u811a\u672c\u5373\u53ef<\/p>\n\n\n\n
    py3\uff1a<\/p>\n\n\n\n
    import numpy as np\nimport hashlib\n\n# \u5b9a\u4e49\u7cfb\u6570\u77e9\u9635A\u548c\u7ed3\u679c\u5411\u91cfb\nA = np.array([\n    [1, 1, 0, 1, 1, 0, 1, 1, 1, 1],\n    [0, 0, 1, 1, 0, 0, 0, 1, 1, 0],\n    [1, 0, 1, 1, 0, 0, 1, 1, 1, 0],\n    [0, 1, 0, 1, 0, 1, 1, 1, 0, 0],\n    [0, 0, 0, 0, 1, 1, 0, 1, 1, 1],\n    [1, 1, 1, 1, 1, 0, 0, 0, 1, 0],\n    [1, 0, 0, 0, 0, 1, 0, 1, 1, 1],\n    [0, 0, 0, 1, 0, 1, 0, 0, 0, 1],\n    [0, 1, 1, 0, 0, 0, 1, 1, 1, 0],\n    [0, 0, 0, 1, 0, 0, 1, 1, 0, 1]\n], dtype=int)\n\nb = np.array([1, 0, 1, 1, 0, 0, 0, 1, 0, 1], dtype=int)\n\n# \u9ad8\u65af\u6d88\u5143\u6cd5\u89e3\u6a212\u7ebf\u6027\u65b9\u7a0b\u7ec4\ndef solve_mod2(A, b):\n    n = len(A)\n    # \u589e\u5e7f\u77e9\u9635\n    Ab = np.column_stack((A.copy(), b.copy()))\n\n    # \u524d\u5411\u6d88\u5143\n    for col in range(n):\n        # \u627e\u5230\u4e3b\u5143\u884c\n        pivot_row = -1\n        for row in range(col, n):\n            if Ab[row, col] == 1:\n                pivot_row = row\n                break\n\n        if pivot_row == -1:\n            continue  # \u65e0\u89e3\u6216\u591a\u89e3\u60c5\u51b5\n\n        # \u4ea4\u6362\u884c\n        if pivot_row != col:\n            Ab[[col, pivot_row]] = Ab[[pivot_row, col]]\n\n        # \u6d88\u53bb\u5176\u4ed6\u884c\n        for row in range(n):\n            if row != col and Ab[row, col] == 1:\n                Ab[row] = (Ab[row] + Ab[col]) % 2\n\n    # \u56de\u4ee3\u6c42\u89e3\n    x = np.zeros(n, dtype=int)\n    for row in range(n-1, -1, -1):\n        if Ab[row, row] == 1:\n            x[row] = Ab[row, n]\n            # \u51cf\u53bb\u5df2\u77e5\u53d8\u91cf\u7684\u8d21\u732e\n            for col in range(row+1, n):\n                x[row] = (x[row] - Ab[row, col] * x[col]) % 2\n        else:\n            if Ab[row, n] == 1:\n                raise ValueError(\"\u65e0\u89e3\")\n            else:\n                x[row] = 0  # \u81ea\u7531\u53d8\u91cf\u8bbe\u4e3a0\n\n    return x\n\n# \u89e3\u65b9\u7a0b\ntry:\n    x = solve_mod2(A, b)\n    print(\"\u89e3\u5411\u91cfx:\", x)\n\n    # \u62fc\u63a5\u89e3\u4e3a\u5b57\u7b26\u4e32\n    x_str = ''.join(map(str, x))\n    print(\"\u62fc\u63a5\u5b57\u7b26\u4e32:\", x_str)\n\n    # \u8ba1\u7b97SHA1\u54c8\u5e0c\n    sha1_hash = hashlib.sha1(x_str.encode()).hexdigest()\n    print(\"SHA1\u54c8\u5e0c\u503c:\", sha1_hash)\n    print(\"Flag: XSCTF(\" + sha1_hash + \")\")\n\nexcept ValueError as e:\n    print(\"\u65b9\u7a0b\u65e0\u89e3:\", e)<\/code><\/pre>\n\n\n\n
      \n
    1. \u9ad8\u65af\u6d88\u5143\u6cd5<\/strong>\uff1a\u5b9e\u73b0\u4e86\u6a212\u7684\u9ad8\u65af\u6d88\u5143\u6cd5\u6765\u89e3\u7ebf\u6027\u65b9\u7a0b\u7ec4\uff1a\n