Open Source Linux Security Software - Page 17
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1
ASNmap
CLI tool for mapping organization network ranges using ASN data
asnmap is a command line tool and Go library designed to quickly map network ranges belonging to organizations using Autonomous System Number (ASN) data. It allows users to convert different types of inputs (such as ASN numbers, IP addresses, domain names, or organization names) into their associated CIDR ranges. This capability makes it particularly useful for security researchers, penetration testers, and reconnaissance workflows that require identifying network infrastructure owned by a target organization. asnmap retrieves ASN-related data and returns structured results that can be easily integrated into automated pipelines. Output can be generated in multiple formats including plain text, JSON, and CSV, enabling flexible data processing and analysis. asnmap also supports reading input from standard input and piping its results directly into other command line tools for chained workflows. -
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AWS Secrets Manager Caching Client .NET
Enables in-process caching of secrets for C# applications
The AWS Secrets Manager .NET caching client enables in-process caching of secrets for C# applications. The AWS Secrets Manager caching client enables in-process caching of secrets for .NET applications. To use this client, you must have a .NET project with one of the following, .NET Framework 4.6.1 or higher, .NET Standard 2.0 or higher, and An Amazon Web Services (AWS) account to access secrets stored in AWS Secrets Manager and use AWS SDK for .NET. To create an AWS account, go to Sign In or Create an AWS Account and then choose I am a new user. Follow the instructions to create an AWS account. To create a secret in AWS Secrets Manager, go to Creating Secrets and follow the instructions on that page. To download and install the AWS SDK for .NET, go to Installing the AWS SDK for .NET in the AWS SDK for .NET documentation and then follow the instructions on that page. -
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Adldap2
LDAP Authentication & Management for Laravel
Adldap2-Laravel is an extension to the core Adldap2 package. Using the built-in authentication driver, easily allow LDAP users to log into your application and control which users can login via Scopes and Rules. Users can be imported into your database upon first login, or you can import your entire directory via a simple command: php artisan adldap:import. Search for LDAP records with a fluent and easy-to-use interface you're used to. You'll feel right at home. LDAP records are returned as individual models. Easily create and update models then persist them to your LDAP server with a simple save(). -
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Alerta
Alerta monitoring system
Email was not designed to be used as an alert console. It is not a scalable solution when it comes to monitoring and alert visualization. A minimal installation of Alerta can be deployed quickly and easily as monitoring requirements and confidence grow. There are integrations available with Prometheus, Riemann, Nagios, Zabbix, netdata, Sensu, Pingdom and Cloudwatch. Integrating bespoke systems is easy using the API or command-line tool. Alerts are submitted in JSON format to an HTTP API. Alerts can be queried from the command line or viewed in a slick web console optimized for desktop, tablet, and mobile. User logins can be added using Google, GitHub or GitLab OAuth and programmatic access is managed using API keys. -
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Amazon EC2 Spot Interrupter
CLI tool that triggers Amazon EC2 Spot Interruption Notifications
Amazon EC2 Spot Instances let you run flexible, fault-tolerant, or stateless applications in the AWS Cloud at up to a 90% discount from On-Demand prices. Spot instances are regular EC2 capacity that can be reclaimed by AWS with a 2-minute notification called the Interruption Notification. Applications that are able to gracefully handle this notification and respond by check pointing or draining work can leverage Spot for deeply discounted compute resources! In addition to Interruption Notifications, Rebalance Recommendation Events are sent to spot instances that are at higher risk of being interrupted. Handling Rebalance Recommendations can potentially give your application even more time to gracefully shutdown than the 2 minutes an Interruption Notification would give you. It can be challenging to test your application's handling of Spot Interruption Notifications and Rebalance Recommendations. -
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American Fuzzy Lop
American fuzzy lop - a security-oriented fuzzer
AFL (American Fuzzy Lop) is a widely used graybox fuzzer that discovers bugs by mutating inputs and steering execution using lightweight instrumentation. Instead of random mutations alone, it uses coverage feedback to evolve input corpora, pushing programs into deeper and more interesting code paths. Its workflow emphasizes quick start: point it at a target binary with compile-time instrumentation (or use QEMU-based mode when recompilation isn’t possible), seed it with a small corpus, and let it iterate. AFL is known for finding serious security issues in complex software due to its corpus minimization, queue management, and deterministic mutation stages that balance breadth and depth. It provides crash triage helpers and test case minimization so developers can reproduce and fix issues quickly. The design deliberately optimizes for robustness and speed on commodity hardware, which helped it become a standard part of many security testing pipelines. -
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Authenticator
Authenticator generates 2-Step Verification codes in your browser
Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts. Always keep a backup of your secrets in a safe location. Encrypting your secrets is strongly recommended, especially if you are logged into a Google account. Back up your secrets to a file, Google Drive, Microsoft OneDrive, or Dropbox. Sync your secrets with your Google Account. Available for Chrome, Firefox, and Microsoft Edge. Import data from Google Authenticator's official mobile App. -
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Bash Scripting
Free Introduction to Bash Scripting eBook
This is an open-source introduction to Bash scripting guide/ebook that will help you learn the basics of Bash scripting and start writing awesome Bash scripts that will help you automate your daily SysOps, DevOps, and Dev tasks. No matter if you are a DevOps/SysOps engineer, developer, or just a Linux enthusiast, you can use Bash scripts to combine different Linux commands and automate boring and repetitive daily tasks, so that you can focus on more productive and fun things. The guide is suitable for anyone working as a developer, system administrator, or a DevOps engineer and wants to learn the basics of Bash scripting. The first 13 chapters would be purely focused on getting some solid Bash scripting foundations then the rest of the chapters would give you some real-life examples and scripts. -
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BlockCheck
Russian ISP blocking type checker
BlockCheck is a Russian ISP blocking-type checker created to identify how websites from Russia’s prohibited-information registry were being blocked by internet providers. The tool was designed for a specific network environment and is explicitly not useful outside Russia. It runs tests that help distinguish different blocking methods, such as DNS manipulation, IP blocking, HTTP blocking, TCP reset behavior, and deeper filtering patterns. The repository is now archived and marked as not currently working, so it should be treated as a historical and diagnostic reference rather than a maintained utility. Its value is strongest for people studying network censorship, ISP filtering behavior, and the technical mechanics of access restriction. Because test results could be affected by circumvention tools, the project warns users not to run it while bypass systems are enabled. -
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Boulder
An ACME-based certificate authority, written in Go
This is an implementation of an ACME-based CA. The ACME protocol allows the CA to automatically verify that an applicant for a certificate actually controls an identifier, and allows domain holders to issue and revoke certificates for their domains. Boulder is the software that runs Let's Encrypt. This component model lets us separate the function of the CA by security context. The Web Front End, Validation Authority, OCSP Responder and Publisher need access to the Internet, which puts them at greater risk of compromise. The Registration Authority can live without Internet connectivity, but still needs to talk to the Web Front End and Validation Authority. The Certificate Authority need only receive instructions from the Registration Authority. All components talk to the SA for storage. Internally, the logic of the system is based around five types of objects: accounts, authorizations, challenges, orders (for ACME v2) and certificates. -
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Covermyass
Post-exploitation tool to cover your tracks on a compromised machine
Covermyass is a post-exploitation tool to cover your tracks on various operating systems. It was designed for penetration testing "covering tracks" phase, before exiting the compromised server. At any time, you can run the tool to find which log files exists on the system, then run again later to erase those files. The tool will tell you which file can be erased with the current user permissions. Files are overwritten repeatedly with random data, in order to make it harder for even very expensive hardware probing to recover the data. -
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DNSGen
Intelligent DNS permutation tool for subdomain discovery
DNSGen is an open source DNS name permutation tool designed primarily for security researchers and penetration testers who need to discover potential subdomains during reconnaissance and attack surface mapping. It analyzes existing domain names and generates numerous intelligent variations that may represent valid subdomains within an organization’s infrastructure. These generated permutations help identify hidden or unlisted services that may not appear in standard DNS queries or public records. DNSGen applies multiple permutation techniques to create realistic domain combinations based on modern infrastructure naming patterns, including cloud environments, DevOps tools, and microservice architectures. It can also extract meaningful keywords from existing domain names and incorporate them into newly generated permutations. The resulting domain list can be further processed by DNS resolution tools such as MassDNS to determine which generated domains actually exist. -
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EQGRP
Decrypted content of eqgrp-auction-file.tar.xz
EQGRP is a public release of the so-called Equation Group hacking tools, originally leaked online in 2017. The repository serves as an archive and reference for security researchers, documenting the exploit frameworks, implants, and utilities that were allegedly used by a highly sophisticated threat actor. The tools include network exploitation scripts, backdoors, and frameworks targeting a range of platforms and services, many of which highlight previously unknown vulnerabilities. While the repository itself is provided for educational and research purposes, it also reflects a significant historical moment in cybersecurity, influencing both defensive strategies and awareness of advanced persistent threats. The release offers researchers insight into real-world offensive techniques, though many of the specific exploits are now outdated or patched. EQGRP remains a controversial but important resource for studying the evolution of nation-state-level cyber operations. -
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Ente
End-to-end encrypted cloud for photos, videos and 2FA secrets
Ente is a fully open-source, end‑to‑end encrypted cloud platform designed for securely storing and managing your photos, videos, and 2FA secrets — without needing to trust the service provider. It includes cross‑platform clients and a CLI for self‑hosting needs. Ente is a service that provides a fully open source, end-to-end encrypted platform for you to store your data in the cloud without needing to trust the service provider. On top of this platform, we have built two apps so far: Ente Photos (an alternative to Apple and Google Photos) and Ente Auth (a 2FA alternative to the deprecated Authy). This monorepo contains all our source code - the client apps (iOS / Android / F-Droid / Web / Linux / macOS / Windows) for both the products (and more planned future ones!), and the server that powers them. -
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Exposure Notifications Server
Exposure Notification Reference Server | Covid19 Exposure Notification
Exposure Notifications Server is an open source reference implementation developed by Google to support the COVID-19 Exposure Notifications API, designed for use by public health authorities around the world. The server provides a secure and privacy-preserving backend system that enables governments and organizations to deploy exposure notification applications for Android and iOS devices. It handles essential backend functions, including receiving and validating temporary exposure keys from users who have tested positive, storing those keys, and generating downloadable key files for mobile devices to check for potential exposure matches. The system integrates cryptographic signing for authenticity, supports configurable data retention policies, and ensures user privacy by design—no personally identifiable information is stored or transmitted. Built to be platform-agnostic, it can be deployed on any infrastructure or cloud service. -
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GitHound
Search GitHub for leaked API keys, credentials, and exposed secrets
GitHound is a reconnaissance and security scanning tool designed to search GitHub for exposed secrets such as API keys, credentials, and other sensitive tokens. It works by combining GitHub search queries (often called “GitHub dorks”) with pattern matching techniques to locate potential secrets across public repositories. Instead of scanning only a limited set of repositories, the tool leverages GitHub’s Code Search API to analyze results from across the entire public GitHub ecosystem, including repositories and Gists. GitHound examines files returned by search queries and applies detection methods such as regex pattern matching, entropy analysis, and contextual evaluation to identify likely credentials. It can also dig into commit history to uncover secrets that may have been removed or reverted but still exist in older revisions. This capability makes it useful for security researchers, DevSecOps teams, and bug bounty hunters who need to detect leaked credentials. -
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H4X-Tools
A modular, terminal-based toolkit for OSINT, reconnaissance
H4X-Tools is a modular, terminal-based toolkit for OSINT, reconnaissance, and scraping workflows. It is built in Python and runs on Linux and Windows. The project organizes multiple research utilities behind an interactive menu and direct command-line options. Its tools cover areas such as Instagram profile research, web reconnaissance, phone lookup, IP lookup, username search, email search, leak intelligence, port scanning, WHOIS lookup, web scraping, directory discovery, Bluetooth scanning, and local user enumeration. The toolkit is designed to be extensible, so contributors can add new tools by creating modules that follow its BaseTool structure. It is intended for educational and authorized security research only, not for use against systems or accounts without permission. -
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Homebridge Camera FFmpeg
Homebridge Plugin Providing FFmpeg-based Camera Support
Homebridge plugin provides FFmpeg-based camera support. This plugin is supported under both Homebridge and HOOBS. It is highly recommended that you use either Homebridge Config UI X or the HOOBS UI to install and configure this plugin. Other users have been sharing configurations that work for them on our GitHub site. You may want to check that to see if anyone else has gotten your model of camera working already, or share a configuration setup that works for you. The FFmpeg output command for directing audio back to a two-way capable camera. This feature is still in development and a configuration that works today may not work in the future. -
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IntelOwl
Centralized platform for automated threat intelligence analysis
IntelOwl is an open source platform designed to manage and enrich threat intelligence data at scale. It provides a centralized environment where security analysts can gather information about suspicious files and observables such as IP addresses, domains, URLs, or hashes using a single API request. The platform integrates numerous online intelligence sources and advanced malware analysis tools, enabling users to obtain comprehensive threat intelligence without manually querying multiple services. IntelOwl was created to automate repetitive investigation tasks typically performed by security operations center (SOC) analysts, helping teams focus on deeper analysis and incident response. The system features a modular architecture built around plugins that allow new analyzers, connectors, and integrations to be added easily. These plugins can collect data from external intelligence platforms or generate insights using internal analysis tools such as YARA or static malware analyzers. -
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JavaScript CSRF Protection Bundle
Automatic CSRF protection for JavaScript apps using a Symfony API
Archived! Now that all modern browsers implement SameSite cookies and the Origin HTTP header, this bundle is - in most cases - not necessary anymore. Learn how to protect your Symfony APIs from CSRF attacks. If you need to maintain old applications, take a look to DneustadtCsrfCookieBundle. This API Platform and Symfony bundle provides automatic Cross Site Request Forgery (CSRF or XSRF) protection for client-side applications. Despite the name, it works with any client-side technology including Angular, React, Vue.js, and jQuery. Actually, any JavaScript code issuing XMLHttpRequest or using the Fetch API can leverage this bundle. -
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Keybase client
Keybase Go library, client, service, OS X, iOS, Android, Electron
Keybase is secure messaging and file-sharing. We use public key cryptography to ensure your messages stay private. Even we can’t read your chats. Keybase works for families, roommates, clubs, and groups of friends, too. Keybase connects to public identities, too. You can connect with communities from Twitter, Reddit, and elsewhere. Don’t live dangerously when it comes to documents. Keybase can store your group’s photos, videos, and documents with end-to-end encryption. You can set a timer on your most sensitive messages. This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software. -
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Laravel Notify
Flexible Flash notifications for Laravel
Laravel Notify is a package that lets you add custom notifications to your project. A diverse range of notification designs is available. -
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Laravel Roles
A Powerful package for handling roles and permissions in Laravel
A Powerful package for handling roles and permissions in Laravel. Supports Laravel 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 6.0, 7.0, and 8.0+. -
24
MITMf
Framework for Man-In-The-Middle attacks
MITMf aims to provide a one-stop-shop for Man-In-The-Middle and network attacks while updating and improving existing attacks and techniques. Originally built to address the significant shortcomings of other tools (e.g Ettercap, Mallory), it's been almost completely rewritten from scratch to provide a modular and easily extendible framework that anyone can use to implement their own MITM attack. The framework contains a built-in SMB, HTTP and DNS server that can be controlled and used by the various plugins, it also contains a modified version of the SSLStrip proxy that allows for HTTP modification and a partial HSTS bypass. As of version 0.9.8, MITMf supports active packet filtering and manipulation (basically what better filters did, only better), allowing users to modify any type of traffic or protocol. The configuration file can be edited on-the-fly while MITMf is running, the changes will be passed down through the framework. -
25
OWASP Maryam
Modular OSINT framework for automated open-source intelligence gatheri
Maryam is an open source intelligence (OSINT) framework designed to automate the process of gathering and analyzing publicly available information from the internet. It provides a modular environment that enables users to collect data from search engines, open data sources, and various online services for reconnaissance and investigative purposes. Written in Python, Maryam is built to provide a flexible and extensible framework for harvesting information quickly and efficiently from open sources. Maryam helps security researchers and analysts streamline routine data-gathering tasks that typically involve searching multiple sources such as Google, Bing, or other online platforms. Maryam organizes its functionality into several modules that focus on different aspects of intelligence gathering, including footprint analysis, OSINT data extraction, and general search operations.
