10 Best FREE DDoS Attack Tool Online (2023)

DoS (Denial of Service) is an attack used to deny legitimate user’s access to a resource such as accessing a website, network, emails, etc. Distributed Denial of Service (DDoS) is a type of DoS attack that is performed by a number of compromised machines that all target the same victim. It floods the computer network with data packets.

There are numerous DDoS attack tools that can create a distributed denial-of-service attack against a target server. Following is a handpicked list of DDoS Attack Tools, with their popular features and website links. The list contains both open source(free) and commercial(paid) DDoS tools.

Top Pick
DDoS Attack

DDoS Attack is a tool that can be used to perform a Distributed Denial of Service attack. This application can monitor the event log from numerous sources to find and detect DDoS activities.

Visit DDoS Attack

Top DDoS Attack Online Tools, Software, Websites

Name Features Platform Free Trial Link
👍 DDoS Attack

• Respond in real-time.
• Filter specific timeframes, IPs, or parameters.
• Detect malicious activity.

Linux + Windows 30 Days Free Trial Learn More
PRTG

• Easy and flexible alerting
• Multiple User Interfaces
• Alerts you when it sees warnings or unusual metrics in your network.

Linux + Windows 30 Days Free Trial Learn More
LOIC (Low Orbit ION cannon)

• Test the performance of the network.
• Loic does not hide an IP address.
• Perform stress testing.

Windows Download for Free Learn More
HOIC (High Orbit ION cannon)

• Attack up to 256 websites at once.
• Counter for measure the output.
• Ported over to Linux or Mac OS.

Windows Download for Free Learn More
Sucuri

• They block layers 3, 4, and 7 DDoS attacks.
• It provides Malware and Hacks protection
• They provide Protect Page Feature

Windows 30 Days Free Trial Learn More

1) DDoS Attack

DDoS Attack is a tool that can be used to perform a Distributed Denial of Service attack. This application can monitor the event log from numerous sources to find and detect DDoS activities.

#1 Top Pick
DDoS Attack
5.0

Investigate the breach with forensics tools

Supported Platform: Linux + Windows

Free Trial: 30 Days Free Trial

Visit DDoS Attack

Features:

  • This application can detect communication with control servers and commands.
  • Respond in real time with rule-based event correlation
  • You can easily filter specific timeframes, IPs, or parameters.
  • The tool helps you to detect malicious activity between the command and control server.
  • Investigate the breach with forensics tools

Get Free Now >>

30 Days Free Trial


2) PRTG

PRTG network monitoring software is known for its advanced infrastructure management capabilities. The tool monitors IT infrastructure using technologies like SNMP, WMI, Sniffing, REST APIS, SQL and others.

#2
PRTG Network Monitor
4.9

Easy and flexible alerting

Supported Platform: Linux + Windows

Free Trial: 30 Days Free Trial

Visit PRTG

Features:

  • PRTG can scan network segments by pinging defined IP ranges
  • Helps you to create web pages with up-to-date monitoring data in the desired design
  • Easy and flexible alerting
  • Multiple User Interfaces
  • Alerts you when it sees warnings or unusual metrics in your network.

Get Free Now >>

30 Days Free Trial


3) LOIC (Low Orbit ION cannon)

LOIC (Low Orbit ION cannon) is open-source software use for DDoS attack. This ddos tool is written in C#. This tool sends HTTP, TCP, and UDP requests to the server.

Low Orbit ION cannon

Features:

  • LOIC is one of the free ddos attack tools which helps you to test the performance of the network.
  • It enables you to create a DDoS attack online against any site that they control.
  • Loic does not hide an IP address even if the proxy server is not working.
  • It helps you to perform stress testing to verify the stability of the system.
  • This ddos software can be used to identify ddos programs that may be used by hackers to attack a computer network.

Link: https://sourceforge.net/projects/loic/


4) HOIC (High Orbit ION cannon)

High Orbit Ion Cannon is a free denial-of-service attack tool. It is designed to attack more than one URLs at the same time. This ddos tool helps you to launch DDoS attacks using HTTP (Hypertext Transfer Protocol).

High Orbit ION cannon

Features:

  • You can attack up to 256 ddos websites at once.
  • It has a counter that helps you to measure the output.
  • This DDoS machine free tool can be ported over to Linux or Mac OS.
  • You can choose the number of threads in the current attack.
  • HOIC enables you to control attacks with low, medium, and high settings.

Link: https://sourceforge.net/projects/highorbitioncannon/


5) Sucuri

Sucuri uses advanced technology software like Web Application Firewall ( WAF) and Intrusion Prevention System ( IPS) to provide protection against DdoS Attacks. They constantly regulate your website traffic and rankings while increasing your website performance.

Features:

  • They block layers 3, 4, and 7 DDoS attacks.
  • It provides Malware and Hacks protection with a Web Application Firewall ( WAF )
  • They constantly regulate all the patch updates and server rules that protect your website.
  • They provide Protect Page Feature, which you can enable on certain sensitive websites by adding passwords, CAPTCHA, 2FA, etc.
  • It has an easy set-up as it only requires web server credentials and a DNS change.

Get Free Now >>

30-day money-back guarantee


6) HTTP Unbearable Load King (HULK)

HTTP Unbearable Load King (HULK) is a web server DDoS tool. It is one of the free ddos attack tools specifically used to generate volumes of traffic at a webserver.

HTTP Unbearable Load King

Features:

  • It can bypass the cache server.
  • This tool helps you to generate unique network traffic.
  • HTTP Unbearable Load King (HULK) can be easily used for research purposes.

Link: https://packetstormsecurity.com/files/112856/HULK-Http-Unbearable-Load-King.html


7) DDoSIM (DDoS Simulator)

DDoSIM (DDoS Simulator) is a tool that is used to create a distributed denial-of-service attack against a target server. It is written in C++ and can be used on the Linux operating system.

DDoSIM

Features:

  • This ddos tool indicates the capacity of the server to handle application-specific DDOS attacks.
  • It enables you to create full TCP connections to the target server.
  • DDoSIM provides numerous options to perform a network attack.
  • TCP connections can be flooded on a random network port.

Link: https://sourceforge.net/projects/ddosim/


8) PyLoris

PyLoris is a software product for testing network vulnerability by performing Distributed Denial of Service (DDoS) attack online. It helps you to manage ddos online and control poorly manage concurrent connections.

PyLoris

Features:

  • It provides easy to use GUI (Graphic User Interface).
  • This tool enables you to attack using HTTP request headers.
  • It has the latest codebase (collection of source code used to build a particular software system).
  • You can run PyLoris using Python script.
  • This tool supports Windows, Mac OS, and Linux.
  • It provides an advanced option having a limitation of 50 threads, each with a total of 10 connections.

Link: https://motoma.io/pyloris/


9) OWASP HTTP POST

The OWASP (Open Web Application Security Project) HTTP Post software enables you to test your web applications for network performance. It helps you to conduct denial of service from a single DDoS machine online.

OWASP HTTP POST

Features:

  • It allows you to distribute and transmit the tool with others.
  • You can freely use this tool for commercial purposes.
  • OWASP HTTP POST helps you to share the result under the license it provides.
  • This tool enables you to test against the application layer attacks.
  • It helps you to decide the server capacity.

Link: https://owasp.org/projects/


10) RUDY

RUDY is a short form of R-U-Dead-Yet. It is one of the free ddos attack tools that helps you to perform the DDoS attack online with ease. It targets cloud applications by starvation of sessions available on the web server.

RUDY

Features:

  • This is a simple and easy tool.
  • It automatically browses the target ddos website and detects embedded web forms.
  • R-U-Dead-Yet enables you to conduct HTTP DDoS attack using long-form field submission.
  • This tool provides an interactive console menu.
  • This DDoS free attack tool automatically identifies form fields for data submission.

Link: https://sourceforge.net/projects/r-u-dead-yet/


11) Tor’s Hammer

Tor’s hammer is an application-layer DDoS software program. You can use this ddos online tool to target web applications and a web server. It performs browser-based internet request that is used to load web pages.

Tor's Hammer

Features:

  • It allows you to create rich text markup using Markdown (a plain text formatting syntax tool).
  • Tor’s Hammer automatically converts the URL into links.
  • This app uses web server resources by creating a vast number of network connections.
  • You can quickly link other artifacts in your project.
  • It holds HTTP POST requests and connections for 1000 to 30000 seconds.

Link: https://sourceforge.net/projects/torshammer/


12) DAVOSET

DAVOSET is software for committing DDOS attacks via abuse of any website functionality. This command line tool helps you to commit distributed denial of service attacks without any hassle.

DAVOSET

Features:

  • It is one of the ddos tools that provides support for cookies.
  • This DDoS attack for free software provides a command-line interface to perform an attack.
  • DAVOSET can also help you to hit attack using XML external entities (attack against an app that parses XML input).

Link: https://packetstormsecurity.com/files/123084/DAVOSET-1.1.3.html


13) GoldenEye

GoldenEye tool conducts a DDoS attack by sending an HTTP request to the server. It utilizes a KeepAlive message paired with cache-control options to persist socket connection busting.

GoldenEye

Features:

  • This tool consumes all the HTTP/S sockets on the application server for the DDoS attack.
  • It is one of the ddos tools which is easy to use app written in Python.
  • Arbitrary creation of user agents is possible.
  • This DDoS program randomizes GET, POST to get the mixed traffic.

Link: https://sourceforge.net/projects/goldeneye/

FAQ

❓ What is DoS Attack?

DOS is an attack used to deny legitimate users access to a resource such as accessing a website, network, emails, etc. or making it extremely slow.

💻 Which are the Best DDoS Attack Tools?

Following are some of the best DDoS attack tools:

  • DDoS Attack
  • PRTG
  • LOIC (Low Orbit ION cannon)
  • HOIC (High Orbit ION cannon)
  • Sucuri
  • HTTP Unbearable Load King
  • DDoSIM (DDoS Simulator)
  • PyLoris

⚡ What is DDoS Attack Tool?

DDoS attack tools that can create a distributed denial-of-service attack against a target server.

💥 How DDoS Attack Tools Works?

DDoS attack tools target a server or network by finding vulnerable systems within the network and injecting malware on those systems. As soon as enough devices are infected within a network, DDoS attack tools instruct each infected system to attack the server by sending a flood of requests and overloading the server or network, which results in slowdowns, denial of service, or complete failure.