Finalshell连接时间长了，忘记密码，如何查看密码？

1.把连接的服务器导出。

2.打开导出的文件，找到password的编码后的字符串，复制。

3.打开URL代码工具箱：[https://www.jyshare.com/compile/10/]
4.(System.out.println(decodePass("NSQfFzx9SAJlxleDVNYfzpPXosbaHewPrCXM++Ej2uw="));)运行下面代码，即可查看原来的密码，把（）紫色部分的字符串替换成上一步复制的字符串。
`import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Base64;
import java.util.Random;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;

public class FinalShellDecodePass {
public static void main(String[] args)throws Exception {
System.out.println(decodePass("NSQfFzx9SAJlxleDVNYfzpPXosbaHewPrCXM++Ej2uw="));
}
public static byte[] desDecode(byte[] data, byte[] head) throws Exception {
SecureRandom sr = new SecureRandom();
DESKeySpec dks = new DESKeySpec(head);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey securekey = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(2, securekey, sr);
return cipher.doFinal(data);
}
public static String decodePass(String data) throws Exception {
if (data == null) {
return null;
} else {
String rs = "";
byte[] buf = Base64.getDecoder().decode(data);
byte[] head = new byte[8];
System.arraycopy(buf, 0, head, 0, head.length);
byte[] d = new byte[buf.length - head.length];
System.arraycopy(buf, head.length, d, 0, d.length);
byte[] bt = desDecode(d, ranDomKey(head));
rs = new String(bt);

        return rs;
    }
}
static byte[] ranDomKey(byte[] head) {
    long ks = 3680984568597093857L / (long)(new Random((long)head[5])).nextInt(127);
    Random random = new Random(ks);
    int t = head[0];

    for(int i = 0; i < t; ++i) {
        random.nextLong();
    }

    long n = random.nextLong();
    Random r2 = new Random(n);
    long[] ld = new long[]{(long)head[4], r2.nextLong(), (long)head[7], (long)head[3], r2.nextLong(), (long)head[1], random.nextLong(), (long)head[2]};
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    long[] var15 = ld;
    int var14 = ld.length;

    for(int var13 = 0; var13 < var14; ++var13) {
        long l = var15[var13];

        try {
            dos.writeLong(l);
        } catch (IOException var18) {
            var18.printStackTrace();
        }
    }

    try {
        dos.close();
    } catch (IOException var17) {
        var17.printStackTrace();
    }

    byte[] keyData = bos.toByteArray();
    keyData = md5(keyData);
    return keyData;
}
public static byte[] md5(byte[] data) {
    String ret = null;
    byte[] res=null;

    try {
        MessageDigest m;
        m = MessageDigest.getInstance("MD5");
        m.update(data, 0, data.length);
        res=m.digest();
        ret = new BigInteger(1, res).toString(16);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return res;
}

}`