Open Source Linux Security Software - Page 25
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Security Software for Linux
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PHP-Casbin
An authorization library that supports access control models
An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir. In Casbin, an access control model is abstracted into a CONF file based on the PERM metamodel (Policy, Effect, Request, Matchers). So switching or upgrading the authorization mechanism for a project is just as simple as modifying a configuration. Besides memory and file, Casbin policy can be stored into lots of places. Currently, dozens of databases are supported, from MySQL, Postgres, Oracle to MongoDB, Redis, Cassandra, AWS S3. Check the full supported list at: adapters. Casbin is implemented in Golang, Java, PHP and Node.js. All implementations share the same API and behaviors. You can learn Casbin once and use it everywhere. -
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PoshC2
C2 framework used to aid red teamers with post-exploitation
PoshC2 is a proxy-aware C2 framework used to aid penetration testers with red teaming, post-exploitation and lateral movement. PoshC2 is primarily written in Python3 and follows a modular format to enable users to add their own modules and tools, allowing an extendible and flexible C2 framework. Out-of-the-box PoshC2 comes PowerShell/C# and Python2/Python3 implants with payloads written in PowerShell v2 and v4, C++ and C# source code, a variety of executables, DLLs and raw shellcode in addition to a Python2/Python3 payload. These enable C2 functionality on a wide range of devices and operating systems, including Windows, *nix and OSX. Shellcode containing in-build AMSI bypass and ETW patching for a high success rate and stealth. Auto-generated Apache Rewrite rules for use in a C2 proxy, protecting your C2 infrastructure and maintaining good operational security. Fully encrypted communications, protecting the confidentiality and integrity of the C2 traffic. -
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Retire.js
Scanner detecting the use of JavaScript libraries
There is a plethora of JavaScript libraries for use on the web and in node.js apps out there. This greatly simplifies, but we need to stay updated on security fixes. "Using Components with Known Vulnerabilities" is now a part of the OWASP Top 10 and insecure libraries can pose a huge risk for your web app. The goal of Retire.js is to help you detect the use of versions with known vulnerabilities. Scan a web app or node app for use of vulnerable JavaScript libraries and/or node modules. grunt-retire scans your grunt-enabled app for use of vulnerable JavaScript libraries and/or node modules. Scans visited sites for references to insecure libraries and puts warnings in the developer console. An icon on the address bar displays will also indicate if vulnerable libraries were loaded. Retire.js has been adapted as a plugin for the penetration testing tools Burp and OWASP ZAP. -
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SELKS
A Suricata based IDS/IPS/NSM distro
SELKS is a free and open source Debian-based IDS/IPS/Network Security Monitoring platform released under GPLv3 from Stamus Networks. SELKS can be installed via docker-compose on any Linux or Windows OS. Once installed it is ready to use out of the box solution. SELKS ISOs are also available for air-gapped environments or bare metal or VM installation. SELKS is a showcase of what Suricata IDS/IPS/NSM can do and the network protocol monitoring logs and alerts it produces. As such any and all data in SELKS is generated by Suricata. The usage of Suricata data is further enhanced by Stamus' developed Scirius, a threat-hunting interface. The interface is specifically designed for Suricata events and combines a drill-down approach to pivot for quick exploration of alerts and NSM events. It includes predefined hunting filters and enhanced contextual views. -
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SIPVicious
Security tools that can be used to audit SIP based VoIP systems
SIPVicious OSS has been around since 2007 and is actively updated to help security teams, QA and developers test SIP-based VoIP systems and applications. Open-source security suite for auditing SIP based VoIP systems. Also known as friendly-scanner, it is freely available to help pentesters, security teams and developers quickly test their SIP systems. Download the latest source code from git or the latest release, send pull requests and open issues. Install the latest and greatest release using pip3 install sipvicious or follow the instructions for further options. Available on any platform that supports Python 3. Made a change to your phone system or SIP router? Test it automatically using SIPVicious OSS to perform a smoke test for security robustness. The next generation is SIPVicious PRO, a complete new code base and overhaul of the concepts found in SIPVicious OSS. As a toolset it includes more and targets RTC. -
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Secluso
Privacy-preserving home security camera using end-to-end encryption
Secluso is an open-source, privacy-focused home security camera system that uses advanced end-to-end encryption to protect video data from unauthorized access. Unlike many commercial smart cameras that send footage to cloud servers where providers can potentially access it, Secluso encrypts video streams directly on the camera before they are relayed, ensuring that only the user’s mobile app can view recorded or live content. The design splits responsibilities across distinct components: a camera hub that captures and encrypts footage, a mobile app for monitoring and receiving encrypted event notifications, and a relay server that passes encrypted data without being able to decrypt it. Secluso supports multiple camera types, including Raspberry Pi-based standalone setups and existing IP cameras, as long as they can interface with the system’s recording and encryption pipelines. -
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SiteDorks
Automate search engine dorking across hundreds of websites
SiteDorks is a command line tool designed to automate advanced search queries across multiple search engines and websites. It allows users to perform search engine “dork” queries against a large set of predefined domains, making it easier to discover publicly available information across different platforms. SiteDorks supports several major search engines including Google, Bing, Brave, Ecosia, DuckDuckGo, Yahoo, and Yandex. Instead of manually running the same query for many sites, SiteDorks generates and executes the queries automatically using lists of “dorkable” websites. A built-in dataset contains hundreds of websites grouped into categories such as cloud services, developer platforms, documentation sites, social platforms, and communication tools. Users can also supply custom domain lists or CSV files to tailor searches for tasks like penetration testing, bug bounty research, or OSINT investigations. -
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Tailsnitch
A security auditor for Tailscale configurations
tailsnitch is a security auditing tool for Tailscale networks (tailnets) that scans configurations and device setups to detect risky or overly permissive settings, helping administrators maintain a secure mesh network. Written in Go and designed to be run either as a CLI or integrated into automated pipelines, tailsnitch performs dozens of checks against common access control policies, authentication key practices, network exposure issues, and device security settings. It outputs structured reports on findings with severity levels and remediation guidance, and it can generate results in formats like JSON for downstream analysis and integration with CI/CD pipelines. Tailsnitch supports authentication via the Tailscale API (including OAuth or API keys) and provides options to filter findings, run only high-severity checks, and produce compliance artifacts like SOC 2 evidence exports. -
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TorBot
Dark Web OSINT Tool
Contributions to this project are always welcome. To add a new feature fork the dev branch and give a pull request when your new feature is tested and complete. If its a new module, it should be put inside the modules directory. The branch name should be your new feature name in the format <Feature_featurename_version(optional)>. On Linux platforms, you can make an executable for TorBot by using the install.sh script. You will need to give the script the correct permissions using chmod +x install.sh Now you can run ./install.sh to create the torBot binary. Run ./torBot to execute the program. Crawl custom domains.(Completed). Check if the link is live.(Completed). Built-in Updater.(Completed). TorBot GUI (In progress). Social Media integration.(not Started). -
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Username Anarchy
Username generator for penetration testing and user enumeration
Username Anarchy is an open source command line tool designed to generate possible usernames for use in penetration testing and security assessments. It focuses on solving one of the common challenges in authentication attacks: identifying valid usernames before attempting password attacks. It generates large sets of potential usernames based on a person’s name and common naming conventions used in corporate or online systems. These generated username lists can then be used for activities such as username enumeration, password spraying, or brute force testing during security audits. Username Anarchy supports numerous formatting styles, allowing security testers to replicate patterns commonly used in enterprise environments such as first.last, flast, or firstinitiallastname. Username Anarchy can also utilize name sources gathered from OSINT techniques such as social networks or other public data to produce realistic username lists. -
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Web-Check
All-in-one OSINT tool for analysing any website
Comprehensive, on-demand open source intelligence for any website. Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using. Currently the dashboard will show: IP info, SSL chain, DNS records, cookies, headers, domain info, search crawl rules, page map, server location, redirect ledger, open ports, traceroute, DNS security extensions, site performance, trackers, associated hostnames, carbon footprint. Stay tuned, as I'll add more soon. The aim is to help you easily understand, optimize and secure your website. -
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Xteam
All-in-one command-line toolkit for security testing and OSINT tools
Xteam is a command-line security toolkit designed to provide multiple penetration testing and information-gathering utilities in a single interface. It combines several modules and external tools to help users perform security research tasks related to mobile devices, wireless networks, and online services. It acts as a centralized launcher that integrates scripts and third-party tools, allowing users to access different testing functions through a menu-based command line workflow. Xteam includes features such as Instagram information gathering, phishing utilities, wireless attack tools, and Android security testing capabilities. Xteam’s architecture uses a main bash script that serves as the hub for running internal modules or downloading and executing external projects when needed. It can operate on Linux systems as well as Android devices using Termux, making it accessible in both desktop and mobile environments. -
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accounts-js
Fullstack authentication and accounts-management for Javascript
Fullstack authentication and accounts-management for Javascript. Since accounts-js is very flexible, it can be used with multiple transports. For now we provide packages for both GraphQL and REST. We provide a native mongo integration which is compatible with the meteor account system. We also have a Typeorm integration which will let you use accounts-js with any kind of databases. You can use multiple strategies to let your users access to your app. For now we support authentication via email/username and password, Oauth support is coming soon! Take a look at our documentation to learn how to use the packages. For more advanced usage, head to our API documentation. The packages come with strong opinionated security defaults while preserving options for configuration. -
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aws-encryption-sdk-cli
CLI wrapper around aws-encryption-sdk-python
This command line tool can be used to encrypt and decrypt files and directories using the AWS Encryption SDK. If you have not already installed cryptography, you might need to install additional prerequisites as detailed in the cryptography installation guide for your operating system. Installation using a python virtual environment is recommended to avoid conflicts between system packages and user-installed packages. For the most part, the behavior of aws-encryption-cli in handling files is based on that of GNU CLIs such as cp. A qualifier to this is that when encrypting a file, if a directory is provided as the destination, rather than creating the source filename in the destination directory, a suffix is appended to the destination filename. By default the suffix is .encrypted when encrypting and .decrypted when decrypting, but a custom suffix can be provided by the caller if desired. -
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cloudfront-auth
An AWS CloudFront Lambda@Edge function to authenticate requests
Upon successful authentication, a cookie (named TOKEN) with the value of a signed JWT is set and the user redirected back to the originally requested path. Upon each request, Lambda@Edge checks the JWT for validity (signature, expiration date, audience and matching hosted domain) and will redirect the user to configured provider's login when their session has timed out. If your CloudFront distribution is pointed at a S3 bucket, configure origin access identity so S3 objects can be stored with private permissions. (Origin access identity requires the S3 ACL owner be the account owner. Use our s3-object-owner-monitor Lambda function if writing objects across multiple accounts.) Enable SSL/HTTPS on your CloudFront distribution; AWS Certificate Manager can be used to provision a no-cost certificate. Session duration is defined as the number of hours that the JWT is valid for. After session expiration, cloudfront-auth will redirect the user to the configured provider to re-authenticate. -
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discover
Automation framework for reconnaissance and penetration testing tasks
Discover is a collection of custom Bash scripts designed to automate many common tasks involved in penetration testing workflows. The project brings together a variety of security testing functions into a single framework that simplifies reconnaissance, scanning, and enumeration processes. It provides a menu-driven interface that allows security professionals to quickly launch different tools and scripts without manually executing each command. The framework helps streamline activities such as information gathering, network scanning, and web application testing during security assessments. Discover also integrates with well-known security tools like Metasploit to generate malicious payloads and manage listeners for exploitation tasks. By organizing multiple security utilities and scripts into one environment, the project reduces repetitive manual steps and standardizes penetration testing workflows. The tool is commonly used in Kali Linux environments. -
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dotenv-expand
Expand variables already on your machine for use in your .env file
dotenv-expand is a zero-dependency module that extends dotenv with advanced environment-variable processing. It expands variables inside .env values using braced or unbraced interpolation syntax. Default values and alternate-value expressions allow configuration to adapt when variables are present or missing. The package also supports command substitution, allowing trusted .env files to insert the output of local commands. Encrypted values created with dotenvx can be decrypted when the required private key is supplied separately. Developers can preload the module before an application starts or expand parsed values programmatically into process.env or a custom object. Version 12 and later no longer expand variables that already exist in process.env, making the behavior more predictable. -
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fswatch
A cross-platform file change monitor with multiple backends
A cross-platform file change monitor with multiple backends: Apple OS X File System Events API, BSD kqueue, Solaris/Illumos File Events Notification, Linux inotify and a stat()-based backend. fswatch is a file change monitor that receives notifications when the contents of the specified files or directories are modified. fswatch implements four kinds of monitors. A monitor based on the File System Events API of Apple OS X. A monitor based on kqueue, an event notification interface introduced in FreeBSD 4.1 and supported on most BSD systems (including OS X). A monitor based on inotify, a Linux kernel subsystem that reports file system changes to applications. A monitor based on File Events Notification, a Solaris/Illumos kernel API that reports file events. A monitor based on ReadDirectoryChangesW, a Microsoft Windows API that reports changes to a directory. -
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gasmask
All-in-one OSINT tool for reconnaissance and domain intelligence
GasMasK is an open source OSINT (Open Source Intelligence) tool designed to perform reconnaissance and information gathering on domains and online targets. It is implemented as a Python-based command-line utility that collects data from numerous publicly available sources across the internet. It aggregates intelligence such as domain details, email addresses, hostnames, and subdomains by querying search engines, DNS records, certificate transparency logs, and security databases. GasMasK integrates with a wide range of platforms and services including search engines, social media platforms, and security APIs to retrieve relevant information about a target. These sources include services like Shodan, Censys, Netcraft, VirusTotal, GitHub, and various DNS-related services, allowing investigators to build a comprehensive profile of a domain or organization. GasMasK is commonly used by penetration testers, red teams, and security researchers who need to collect reconnaissance data. -
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htrace.sh
My simple Swiss Army knife for http/https troubleshooting
htrace.sh is a shell-based “Swiss Army knife” for HTTP/HTTPS troubleshooting that wraps a variety of network and security tools into a single, convenient command. It helps engineers inspect endpoints by collecting connection details, TLS certificate info, and server headers while optionally driving tests from third-party analyzers. The script emphasizes operability: you can run quick checks against URLs to reveal redirects, protocol negotiation, and response timing without assembling a pile of one-off commands. It supports profiling scenarios useful during incidents, such as confirming cipher support, verifying chain validity, or flagging misconfigurations. Since it’s just a script, it runs on typical Linux servers where installing a heavy GUI isn’t feasible. The goal is to reduce the friction between “I wonder what this endpoint is doing” and a readable, actionable report. -
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kraken.js
An express-based Node.js web application bootstrapping module
Give your node.js express apps some extra arms. Kraken is a secure and scalable layer that extends express by providing structure and convention. Though kraken is the main pillar of our framework, several modules can also be used independently. Kraken builds upon express and enables environment-aware, dynamic configuration, advanced middleware capabilities, security, and app lifecycle events. kraken-js is used just like any normal middleware, however it does more than just return a function; it configures a complete express 4 application. kraken loads configuration files, routes, and registers middleware so this directory is the path against all relative paths are resolved. The default value is the directory of the file that uses kraken, which is generally index.js (or server.js). Using environment suffixes, configuration files are applied and overridden according to the current environment as set by NODE_ENV. -
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paramspider
Mine parameterized URLs from web archives for security testing
ParamSpider is an open source command-line tool designed to discover URLs that contain parameters by mining historical data from web archives such as the Wayback Machine. It helps security researchers, penetration testers, and bug bounty hunters collect potential attack surfaces by automatically gathering archived URLs related to a specific domain. Instead of returning every discovered URL, the tool intelligently filters results to highlight parameterized endpoints that are more useful for vulnerability testing. These endpoints are commonly used during reconnaissance because parameters often expose inputs that may be vulnerable to issues like cross-site scripting, SQL injection, or server-side request forgery. ParamSpider automates the process of retrieving archived URLs, cleaning them, and preparing them for fuzzing or further probing. It can process a single domain or multiple domains from a list, making it useful for both targeted testing and large-scale reconnaissance. -
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pyWhat
Identify emails, IP addresses, and more
pyWhat is a Python-based identification tool designed to figure out “what” a piece of text or file content represents, especially in security and OSINT workflows. Given inputs such as hex strings, URLs, email addresses, IP addresses, credit card numbers, cryptocurrency wallets, or entire .pcap capture files, it scans for structured patterns and tells you what it finds. The tool is recursive: it can traverse files and directories to extract meaningful entities, which is useful when analyzing malware samples, network captures, or code repositories at scale. It offers powerful filters called “tags” and distributions that let you narrow results to specific categories like bug bounties, cryptocurrencies, or AWS-related artifacts. For automation and integration, pyWhat provides a CLI with options for rarity filtering, sorting, and JSON export, as well as an API that can be imported into other Python programs. -
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spoof
Easily spoof your MAC address in macOS, Windows, & Linux
spoof is a cross-platform Node.js utility designed to simplify MAC address spoofing and network interface identity manipulation for developers, security researchers, and privacy-conscious users. The project functions as a modern JavaScript implementation inspired by the earlier SpoofMAC tool, providing command-line workflows for randomizing, changing, and restoring MAC addresses on macOS, Linux, and Windows systems. It automates low-level networking commands that would otherwise require manual configuration, making address spoofing more accessible for testing and anonymity workflows. The tool is frequently used in penetration testing, wireless debugging, public Wi-Fi privacy protection, and networking experiments where hardware identity masking is required. Its architecture emphasizes portability and ease of use through Node.js-based scripting and automation support. -
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yesitsme
Simple OSINT script to find Instagram profiles by name
yesitsme is a Python-based OSINT utility designed to help investigators identify potential Instagram accounts associated with a specific person using limited identifying data. The script works by querying indexed public information and comparing obfuscated email addresses and phone numbers against user-provided inputs to estimate match confidence. It is intended to automate a time-consuming manual investigation process by aggregating candidate usernames and classifying them into match levels such as high, medium, or low. The tool requires an Instagram session cookie to operate and includes configurable timeout controls to help avoid detection or rate limiting during searches. Its minimal codebase and straightforward command-line interface make it accessible for researchers, security analysts, and digital investigators performing social media intelligence work.
