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 A Brief Overview of Black Hat Hacking

A Brief Overview of Black Hat Hacking

Entering into a computer system or network with evil intent is called “black hat hacking.” Black hat hackers frequently have their interests in mind, such as fame or financial gain. They might, however, be motivated by a desire to harm or harm the system or network.

Black hat hackers can access a system or network via a wide range of different methods. Among the most prevalent techniques are:

– Social engineering: In this kind of assault, a hacker deceives and manipulates a target into granting them access to a network or system.

– SQL injection: To get control of a database, a hacker would insert harmful code into the database.

– Denial of service (DoS) attack: This kind of attack involves flooding a system or network with requests, which makes it crash or stop functioning.

Responding is critical if you believe a black hat hacker may have accessed your system or network. It would help if you spoke with a security expert to analyze the problem and take action to secure your system or network.

Typical Hacking Methods

There are two basic methods used by hackers when it comes to hacking: black hat and white hat. Black hat hackers employ their expertise for nefarious activities like data theft or computer exploitation. On the other hand, white hat hackers put their knowledge to good use by acting as ethical hackers or assisting businesses in testing their security systems.

Black hat hackers carry out their attacks using a range of hacking methods. This blog post will examine phishing and SQL injection, two of the most popular black hat hacking techniques.

Phishing is a kind of social engineering assault that includes persuading individuals to divulge private data, including passwords or credit card details. Hackers accomplish this by building fake websites or sending emails from reputable sources. Hackers can gather and utilize data when people enter information on these false websites or click on dangerous email links.

Exploiting bugs in online application code inject malicious SQL code into the database in a SQL injection attack. It allows you to see, edit, or delete data from the database. SQL injection attacks frequently steal personal data, including passwords and credit card details.

These two hacking methods are well-known and valuable for various attacks. Getting professional assistance is crucial if you think you might be a phishing or SQL injection attack victim.

Reconnaissance and Footprinting

Footprinting and reconnaissance are crucial first stages in hacking before planning and carrying out an attack. You can gather the knowledge required to approach a target by understanding how to footprint and conduct surveillance.

Finding out information about a target’s vulnerabilities is a technique known as “footprinting.” Either active or passive techniques can use for this. Whereas passive approaches rely on getting data from public sources, active ones entail directly interacting with the target.

The practice of using the data acquired during footprinting to organize an assault is known as reconnaissance. It entails figuring out the best technique to approach them and identifying possible targets, such as systems and networks.

For any budding hacker, reconnaissance and footprinting are crucial abilities. You can gather the knowledge required to organize and carry out an attack by understanding how to undertake these actions.

Enumeration and Scanning

Scanning and enumeration are two of the most crucial processes in black hat hacking. Enumeration is the process of acquiring specific data on those hosts, whereas scanning is the process of locating active hosts on a network.

The particular tool or technique you employ will depend on the circumstances. Scanning and enumeration techniques and tools come in a wide variety. However, a select few techniques and tools are frequently employed.

Nmap is one of the most used scanning programs. Nmap is a free and open-source program for various tasks, including checking for open ports and determining a host’s operating system. One of the most frequently used tools by black hat hackers, Nmap is incredibly adaptable.

Netstat is another often-used scanning tool. With the command line utility, you can see what network connections are currently active and a lot of other data. Nmap is more flexible than Netstat, yet Netstat has its uses.

NMAP is one of the most popular tools for enumeration. NMAP is a very flexible tool that may be used for several enumeration jobs, as was previously described. Other enumeration tools, such as NetBIOS enumeration tools, SNMP enumeration tools, and others, are available in addition to NMAP.

Enumeration and scanning are the most crucial in the black hat hacking procedure. Both activities can accomplish using various tools and strategies; the one you choose will depend on the circumstances. NMAP is one of the most frequently used tools for enumeration, while Nmap and Netstat are two of the most commonly used tools for scanning.

Exploiting and Assessing Vulnerabilities

An evaluation of a computer system’s security is called a vulnerability assessment. This assessment’s goal is to find system vulnerabilities so that they can remedy. Both physical labor and mechanized tools can use to complete this procedure.

For any firm, vulnerability assessments are a crucial component of security. They aid in locating system flaws so that they can correct before attackers can take advantage of them. By doing this, firms can lower their vulnerability to breaches and the severity of any happening.

Vulnerability evaluations come in a wide variety of forms. Typical examples include:

1. Network vulnerability assessments: They evaluate a company’s network security. They consider elements like firewall settings, network architecture, and password security.

2. Application vulnerability assessments evaluate an operating system’s apps’ security. They search for flaws, including improper configuration, vulnerable components, and insecure coding techniques.

3. Database security assessments: They evaluate a database’s security. They search for flaws, including unsecured configuration, unprotected data, and weak passwords.

4. Physical security evaluations: They evaluate the physical security of a company’s facilities. They search for inadequate lighting, a lack of security precautions, and unguarded entry points.

All sizes of companies should do vulnerability assessments. They can assist in locating system vulnerabilities before attackers do. By doing this, firms can lower their exposure to breaches and the severity of any happening.

Trojan and Malware Attacks

Malware is destructive software designed to damage or impair computers and computer systems. Trojan horses are malicious software that users are persuaded to download and install by being given access to what appear to be trustworthy programs or files. A Trojan horse planted on the victim’s computer allows the attacker to control it.

Malware and trojan attacks come in various forms, but some more widespread ones are viruses, worms, and rootkits. Malware that replicates itself and spreads to other systems is known as a virus. Malware known as “worms” is created to propagate by taking advantage of holes in computer systems. A type of malware called a rootkit is made to hide the existence of additional malware on a computer system.

Attacks by malware and trojans can have several effects, such as deleting or corrupting files, stealing confidential data, and taking control of machines. Malware and trojan attacks occasionally even result in fatalities.

Although it might be challenging to stop malware and trojan attacks, there are several things users can take to lower their risk. They include utilizing anti-virus and anti-malware software, keeping their computer systems up to date with the most recent security patches, and being cautious about what they download and install.

DoS (denial-of-service) attacks

Denial of Service (DoS) attacks: what are they?

A denial of service attack aims to bring down a computer system or network by overloading it with requests it cannot fulfill and preventing it from responding to valid ones.

Two categories of DoS attacks exist:

  1. Floods in SYN
  2. Ping of Death

1. Floods in SYN

An SYN flood is a DoS attack in which the attacker bombards the target system with SYN requests to exhaust resources.

The target system is left with several partially open connections that it cannot use since the attacker never completes the three-way handshake. The plan eventually runs out of resources and must crash or restart.

2. Death Ping

A Ping of Death is a DoS attack in which the attacker bombards the target system with many ICMP Echo Request (ping) packets.

The target system crashes or restarts as a result of the excessive payload. These days, there are fewer of these attacks because most systems have been patched to prevent them.

How Can DoS Attacks Be Prevented?

You can take the following actions to stop DoS attacks:

  1. Install a firewall: A firewall can prevent unauthorized traffic from entering your system.
  2. Use rate-limiting: Rate-limiting can assist in preventing the overuse of your system due to high traffic volumes.
  3. Install anti-DDoS software: This can assist in spotting and preventing unwanted traffic from reaching your system.
  4. Use a content delivery network (CDN): A CDN can distribute traffic across numerous servers, preventing one server from overloading traffic.
  5. Maintain software updates: Apply the most recent security fixes to your program. It will assist in plugging any security gaps that criminals might try to exploit.
Social Engineering

Social Engineering

Social engineering is the practice of persuading others to provide sensitive information. These thieves may seek various details, but when people are the target, the information sought is typically connected to financial gain. Criminals employ social engineering strategies because taking advantage of your human nature is frequently more straightforward than trying to circumvent technological protection.

Phishing is one of the most often used social engineering methods. Phishing emails are created to appear to be from a reputable business or institution, but criminals send them. These emails frequently include a link that leads to a bogus website that imitates a real one. When you submit your login details, the thieves can access your account.

Tailgating is a popular social engineering strategy. It happens when someone enters a secure building or space after you without being correctly authorized.

Social engineering can access private data, such as login credentials, and physical locations like a building or office. Criminals are taking advantage of your confidence in any situation.

It’s critical to be aware of the methods that thieves employ if you want to safeguard yourself from social engineering attacks. Do not click any links in suspicious emails you receive. If someone tries to tailgate you, check to see if they are authorized before allowing them to enter. Moreover, never divulge sensitive information.

When in doubt, err on caution and withhold all information. You can defend yourself and your company from these attacks by being aware of social engineering strategies.

Wi-Fi hacking

Hacking wireless networks to gain illegal access is known as wireless hacking. Can do it for various reasons, such as data theft or network disruption. The majority of wireless hacking is prohibited.

A wireless network can be hacked in a variety of ways. A sniffer, a piece of software, is the most typical method. It enables the hacker to eavesdrop on network traffic and intercept data. They can then access the network or steal information using this data.

Exploiting security flaws is a common alternative. Finding and taking advantage of network weaknesses is commonly done using free tools. A hacker can use an exploitable flaw to access the network or control the entire system.

Hacking wireless networks can be dangerous. Hackers can use it to access private data or damage essential systems. It is crucial to see a specialist when you suspect your wireless network can be compromised.

Hacking of web applications

Web applications are among the most popular targets for black hat hacking. It is because web applications typically have a wealth of sensitive and personal data and are generally accessible to anyone with an Internet connection.

There are many ways to hack a web application, but some of the most popular ones are as follows:

  1. SQL Injection
  2. Cross-site scripting
  3. Social Engineering
  4. Malware
  5. Denial of Service

Let’s examine each of these approaches in more detail:

1.SQL Injection.

An attacker can insert malicious SQL code into a web application using a technique known as SQL injection to access confidential information. Usually, this is done by exploiting weaknesses in the application’s input validation methods.

2. Cross-site scripting

A type of attack called cross-site scripting (XSS) enables an attacker to insert malicious code into a web page. Visitors to the carrier who need to pay more attention then run this code. XSS attacks can hijack user sessions and steal private data like cookies or session tokens.

3. Social Engineering

Attacks rely on deceiving victims into divulging private information or taking actions they wouldn’t ordinarily take. There are many ways to accomplish this, but phishing and baiting are two of the most popular ones.

4. Malware

Malware is a subset of malicious software that targets computers and aims to harm or take them offline. Sensitive data can stole using it. There are several ways to distribute malware to a victim, but some of the more popular ones are email attachments and drive-by downloads.

4. Denial of Service

Denial of service (DoS) attacks aim to render a system or program inaccessible to its intended users. Usually, a denial of service is caused by flooding the target with requests it cannot handle. DoS attacks can crash crucial systems like DNS or web servers.

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