{"id":2925,"date":"2024-03-23T02:13:47","date_gmt":"2024-03-22T18:13:47","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=2925"},"modified":"2024-03-23T02:13:47","modified_gmt":"2024-03-22T18:13:47","slug":"linux%e6%8f%90%e6%9d%83%e4%b8%80%e4%ba%9b%e6%8a%80%e5%b7%a77250","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/23\/linux%e6%8f%90%e6%9d%83%e4%b8%80%e4%ba%9b%e6%8a%80%e5%b7%a77250\/","title":{"rendered":"Linux\u63d0\u6743\uff1a\u4e00\u4e9b\u6280\u5de7"},"content":{"rendered":"
\n

\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 \u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n

\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n

\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n

\"hashcat\u73af\u5883\u8bbe\u7f6e\"<\/p>\n

cat<\/span> \/etc\/issue<\/span><\/span><\/code>cat<\/span> \/etc\/*-release<\/span><\/span><\/code><\/pre>\n
\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u6210\u529f\u653b\u7834\u670d\u52a1\u5668\u7684Web\u670d\u52a1\uff0c\u4f46\u5f88\u5feb\u88ab\u7ba1\u7406\u5458\u53d1\u73b0\u5e76\u963b\u6b62\u6211\u4eec\u5728\u5185\u7f51\u6e17\u900f\u7684\u8fc7\u7a0b\u4e2d\u63d0\u6743\u3002\u63d0\u6743\u8fc7\u7a0b\u4e0d\u4ec5\u6d89\u53ca\u5230\u6f0f\u6d1e\u7684\u5229\u7528\uff0c\u8fd8\u6d89\u53ca\u5230\u7cfb\u7edf\u914d\u7f6e\u7684\u8bb8\u591a\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u6211\u603b\u7ed3\u7684\u4e00\u4e9b\u63d0\u6743\u65b9\u6cd5\u3002<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u83b7\u5f97\u4e86\u4f4e\u6743\u9650\u7684shell\uff0c\u5e76\u4e14\u88ab\u5165\u4fb5\u7684\u673a\u5668\u4e0a\u5b89\u88c5\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684Linux\u5de5\u5177\uff0c\u5982nc\u3001python\u3001perl\u7b49\u3002\u540c\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5177\u5907\u4e0a\u4f20\u548c\u4e0b\u8f7d\u6587\u4ef6\u7684\u6743\u9650\uff0c\u4ee5\u53ca\u5185\u6838\u6f0f\u6d1e\u63d0\u6743\u7684\u80fd\u529b\u3002\u5185\u6838\u6f0f\u6d1e\u662f\u6700\u5e38\u89c1\u7684\u63d0\u6743\u65b9\u6cd5\u4e4b\u4e00\uff0c\u4f46\u901a\u7528\u7684\u5185\u6838\u6f0f\u6d1e\u5e76\u4e0d\u591a\u89c1\uff0c\u56e0\u6b64\u6211\u4eec\u9996\u5148\u9700\u8981\u6536\u96c6\u7cfb\u7edf\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u53d1\u884c\u7248\u548c\u5185\u6838\u7248\u672c\u6765\u6536\u96c6\u7cfb\u7edf\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u53d1\u884c\u7248\uff1a<\/p>\n
uname<\/span> -a<\/span><\/code><\/pre>\n
\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u5185\u6838\u7248\u672c\uff1a<\/p>\n
#uname -a<\/span><\/span><\/code>Linux xxxxx 2.6.32-21-generic-pae #32-Ubuntu SMP Fri Apr 16 09:39:35 UTC 2010 i686 GNU\/Linux#cat \/etc\/*-release<\/span><\/span><\/code>DISTRIB_ID=UbuntuDISTRIB_RELEASE=10.04<\/span><\/code>DISTRIB_CODENAME=lucid<\/span><\/code>DISTRIB_DESCRIPTION=\"Ubuntu 10.04 LTS\"<\/span><\/span><\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u4e9b\u4fe1\u606f\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u641c\u7d22\u9002\u7528\u4e8e\u7279\u5b9a\u5185\u6838\u7248\u672c\u7684\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Kali\u81ea\u5e26\u7684searchsploit\u5de5\u5177\u6765\u641c\u7d22exploitdb\u4e2d\u7684\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u641c\u7d22\u7279\u5b9a\u5185\u6838\u7248\u672c\u7684\u6f0f\u6d1e\uff1a<\/p>\n
<\/span><\/code>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u7cfb\u7edf\u7684\u5185\u6838\u7248\u672c\uff082.6.32-21 pae\uff09\uff0ccpu\u67b6\u6784\uff08i686\uff09\uff0c\u548c\u53d1\u884c\u7248\uff08ubuntu 10.04\uff09<\/span><\/pre>\n
\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u7f29\u5c0f\u8303\u56f4\uff0c\u51cf\u5c11\u53ef\u9009\u7684\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\u3002\u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u4ed4\u7ec6\u9605\u8bfb\u6bcf\u4e2a\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\u7684\u8981\u6c42\u548c\u6761\u4ef6\uff0c\u4ee5\u6392\u9664\u90a3\u4e9b\u4e0d\u9002\u7528\u4e8e\u6211\u4eec\u7684\u7cfb\u7edf\u7684\u4ee3\u7801\u3002\u901a\u8fc7\u8270\u82e6\u7684\u641c\u7d22\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u627e\u5230\u4e00\u4e2a\u5408\u9002\u7684\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u4e0a\u4f20\u6e90\u4ee3\u7801\u5e76\u8fdb\u884c\u7f16\u8bd1\u548c\u6267\u884c\u3002<\/p>\n
\u5f53\u7136\uff0c\u5e76\u4e0d\u662f\u6bcf\u4e2a\u7cfb\u7edf\u90fd\u5177\u5907gcc\u7b49\u7f16\u8bd1\u5de5\u5177\uff0c\u8fd9\u65f6\u6211\u4eec\u9700\u8981\u5728\u672c\u5730\u8fdb\u884c\u7f16\u8bd1\u3002\u5728\u672c\u5730\u7f16\u8bd1\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4ed4\u7ec6\u9605\u8bfb\u6e90\u4ee3\u7801\u4e2d\u7684\u7f16\u8bd1\u53c2\u6570\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u624b\u52a8\u8c03\u6574\u3002\u7f16\u8bd1\u95ee\u9898\u53ef\u80fd\u4f1a\u5f88\u590d\u6742\uff0c\u5982\u679c\u9047\u5230\u56f0\u96be\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c37\u6b4c\u7b49\u641c\u7d22\u5f15\u64ce\u5bfb\u6c42\u5e2e\u52a9\u3002<\/p>\n
\u5f53\u7279\u5b9a\u5185\u6838\u7248\u672c\u6ca1\u6709\u9002\u7528\u7684\u6f0f\u6d1e\u5229\u7528\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u68c0\u67e5\u78c1\u76d8\u683c\u5f0f\u548c\u5df2\u5b89\u88c5\u7684\u7a0b\u5e8f\u3002\u901a\u8fc7\u8fd9\u4e9b\u4fe1\u606f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u641c\u7d22\uff0c\u4ee5\u5bfb\u627e\u53ef\u80fd\u5b58\u5728\u7684\u6f0f\u6d1e\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c1d\u8bd5\u5229\u7528\u660e\u6587root\u5bc6\u7801\u63d0\u6743\u3002\u5c3d\u7ba1\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\u7684\u6982\u7387\u5f88\u5c0f\uff0c\u4f46\u4ecd\u7136\u503c\u5f97\u4e00\u63d0\u3002\u5927\u591a\u6570Linux\u7cfb\u7edf\u7684\u5bc6\u7801\u4e0e\/etc\/passwd\u548c\/etc\/shadow\u8fd9\u4e24\u4e2a\u914d\u7f6e\u6587\u4ef6\u5bc6\u5207\u76f8\u5173\u3002passwd\u6587\u4ef6\u5b58\u50a8\u4e86\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u54c8\u5e0c\u503c\uff0c\u800cshadow\u6587\u4ef6\u5219\u5b58\u50a8\u4e86\u5bc6\u7801\u7684\u54c8\u5e0c\u503c\u3002\u5982\u679c\u6211\u4eec\u5177\u6709\u5bf9passwd\u6587\u4ef6\u7684\u5199\u6743\u9650\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06root\u7528\u6237\u7684\u5bc6\u7801\u5b57\u6bb5\u66ff\u6362\u4e3a\u5df2\u77e5\u5bc6\u7801\u7684\u54c8\u5e0c\u503c\uff0c\u4ece\u800c\u83b7\u5f97\u5df2\u77e5\u5bc6\u7801\u3002\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u8bfb\u53d6shadow\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6root\u7528\u6237\u7684\u5bc6\u7801\u54c8\u5e0c\u503c\uff0c\u5e76\u4f7f\u7528hashcat\u6216john\u7b49\u5de5\u5177\u8fdb\u884c\u66b4\u529b\u7834\u89e3\u3002<\/p>\n
\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c1d\u8bd5\u5bc6\u7801\u590d\u7528\u7684\u65b9\u6cd5\u3002\u8bb8\u591a\u7ba1\u7406\u5458\u4f1a\u91cd\u590d\u4f7f\u7528\u5bc6\u7801\uff0c\u56e0\u6b64\u6570\u636e\u5e93\u6216Web\u540e\u53f0\u7684\u5bc6\u7801\u5f88\u53ef\u80fd\u5c31\u662froot\u5bc6\u7801\u3002\u5982\u679c\u6211\u4eec\u83b7\u5f97\u4e86\uff08\u53ef\u80fd\u662f\uff09root\u5bc6\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528SSH\u767b\u5f55\u3002\u7136\u800c\uff0cSSH\u767b\u5f55\u53ef\u80fd\u88ab\u7981\u6b62\uff0c\u6216\u8005\u9632\u706b\u5899\u89c4\u5219\u53ef\u80fd\u5c06\u6211\u4eec\u6392\u9664\u5728\u5916\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u4f4e\u6743\u9650\u7684shell\u6765\u6a21\u62df\u8f93\u5165\u5bc6\u7801\uff0c\u4ee5\u83b7\u53d6\u66f4\u9ad8\u7684\u6743\u9650\u3002<\/p>\n
\u53e6\u5916\uff0c\u7cfb\u7edf\u4e2d\u53ef\u80fd\u5b58\u5728\u5b9a\u65f6\u6267\u884c\u7684\u4efb\u52a1\uff0c\u8fd9\u4e9b\u4efb\u52a1\u901a\u5e38\u7531crontab\u7ba1\u7406\uff0c\u5e76\u5177\u6709\u6240\u5c5e\u7528\u6237\u7684\u6743\u9650\u3002\u867d\u7136\u975eroot\u6743\u9650\u7684\u7528\u6237\u65e0\u6cd5\u5217\u51faroot\u7528\u6237\u7684\u8ba1\u5212\u4efb\u52a1\uff0c\u4f46\u6211\u4eec\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u7ea7\u522b\u7684\u8ba1\u5212\u4efb\u52a1\u3002\u8fd9\u4e9b\u4efb\u52a1\u9ed8\u8ba4\u4ee5root\u6743\u9650\u6267\u884c\uff0c\u5982\u679c\u6211\u4eec\u80fd\u591f\u627e\u5230\u4e00\u4e2a\u914d\u7f6e\u9519\u8bef\u7684\u811a\u672c\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4fee\u6539\u5b83\u5e76\u83b7\u5f97\u56de\u8fde\u7684root shell\u3002<\/p>\n
SUID\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6587\u4ef6\u5c5e\u6027\uff0c\u5141\u8bb8\u7528\u6237\u4ee5\u6587\u4ef6\u6240\u6709\u8005\u7684\u8eab\u4efd\u8fd0\u884c\u53ef\u6267\u884c\u6587\u4ef6\u3002\u4f8b\u5982\uff0cpasswd\u547d\u4ee4\u4ee5root\u6743\u9650\u8fd0\u884c\uff0c\u7528\u4e8e\u4fee\u6539shadow\u6587\u4ef6\u3002SUID\u7a0b\u5e8f\u7ecf\u5e38\u5b58\u5728\u63d0\u6743\u6f0f\u6d1e\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u6765\u63d0\u5347\u6743\u9650\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c1d\u8bd5\u52ab\u6301\u73af\u5883\u53d8\u91cf\u6765\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u901a\u8fc7\u66ff\u6362\u73af\u5883\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u8fbe\u5230\u6267\u884c\u4efb\u610f\u547d\u4ee4\u7684\u76ee\u7684\u3002<\/p>\n
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