Open Source Linux Security Software - Page 38
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YubiKey Guide
Community guide to using YubiKey for GnuPG and SSH
The YubiKey-Guide by drduh is a community-maintained, in-depth tutorial and reference on how to use a YubiKey (hardware authentication token) with GPG, SSH, and related cryptographic setups. It explains how to generate, manage, and use keys, configure pin / touch policies, and integrate the YubiKey into secure workflows. Configuration instructions for requiring touch for operations. Step-by-step instructions for generating GPG keys and migrating them to a YubiKey. Troubleshooting and advice for different OS environments. Example commands and script snippets for automation. -
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authoscope
Scriptable network authentication cracker (formerly `badtouch`)
authoscope is a scriptable network authentication cracker. While the space for common service bruteforce is already very well saturated, you may still end up writing your own python scripts when testing credentials for web applications. The scope of authoscope is specifically cracking custom services. This is done by writing scripts that are loaded into a lua runtime. Those scripts represent a single service and provide a verify(user, password) function that returns either true or false. Concurrency, progress indication, and reporting is magically provided by the authoscope runtime. -
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basic-auth
Generic basic auth Authorization header field parser
Generic basic auth Authorization header field parser for whatever. This is a Node.js module available through the npm registry. Get the basic auth credentials from the given request. The Authorization header is parsed and if the header is invalid, undefined is returned, otherwise an object with name and pass properties. Parse a basic auth authorization header string. This will return an object with name and pass properties, or undefined if the string is invalid. -
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dnstwist
Detects phishing and lookalike domains using DNS fuzzing techniques
dnstwist is an open source cybersecurity tool designed to identify malicious or suspicious domain names that imitate legitimate websites. It works by generating a large set of domain name permutations based on a target domain and analyzing whether any of those variants are actively registered or used. These permutations simulate common techniques used in phishing attacks, typosquatting, and brand impersonation campaigns. Security teams can use the tool to discover potential threats where attackers attempt to deceive users with lookalike domains. dnstwist also helps detect phishing activity by comparing web page content and visual similarity between domains using fuzzy hashing and perceptual hashing techniques. By automating DNS fuzzing and analysis, it provides organizations with an additional source of targeted threat intelligence. The tool can output results in structured formats, making it easier to integrate with security workflows or further analyze suspicious domains. -
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docker-nginx-auto-ssl
Docker image for automatic generation of SSL certs using Let's encrypt
The simpliest solution to add SSL cert to your site. Docker image for automatic generation of SSL certs using Let's encrypt and Open Resty, with reasonable SSL settings, HTTP/2 and WebSockets support out-of-the-box. You can specify allowed domains and simple proxies using ENV variables, and easily override nginx.conf to your needs. -
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goRBAC
goRBAC provides a lightweight role-based access control (RBAC) in Go
goRBAC provides a lightweight role-based access control implementation in Golang. Currently, goRBAC has two released versions. Version 1 is the original design which will only be mantained to fix bugs. Version 2 is the new design which will only be mantained to fix bugs. Although you can adjust the RBAC instance anytime and it's absolutely safe, the library is designed for use with two phases, preparing and checking. Also, you can implement gorbac.Role and gorbac.Permission for your own data structure. -
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goim
goim is a im server writen by golang
GOIM is a IM and push notification server cluster. Supports single push, multiple push and broadcasting. Supports one key to multiple subscribers (Configurable maximum subscribers count). Supports heartbeats (Application heartbeats, TCP, KeepAlive, HTTP long pulling). Supports authentication (Unauthenticated user can’t subscribe). Scalable architecture (Unlimited dynamic job and logic modules). You can view the comments in target/comet.toml,logic.toml,job.toml to understand the meaning of the config. Install comet/logic/job modules and use Supervisor management (You might need to change the configuration files based on your servers). -
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helm-secrets
A helm plugin that help manage secrets with Git workflow
A helm plugin that help manage secrets with Git workflow and store them anywhere. -
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linkedin2username
Generate probable usernames from LinkedIn company employee lists
linkedin2username is an open source OSINT (Open Source Intelligence) tool designed to generate lists of potential usernames by scraping employee information from a company’s LinkedIn page. It logs into LinkedIn using valid user credentials and collects publicly visible employee names associated with a specified organization. Using these names, it automatically generates multiple possible username formats that organizations commonly use for accounts or email addresses. This process helps security researchers, penetration testers, and investigators perform reconnaissance by building potential username lists for further security testing or OSINT analysis. Unlike tools that rely on official APIs, linkedin2username operates as a pure web scraper and therefore does not require API keys. The script uses Selenium to automate browser interactions and perform searches within LinkedIn to gather employee data. -
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passff
zx2c4 pass manager extension for Firefox, Chrome and Opera
zx2c4 pass management extension for Mozilla Firefox. Pending Chrome port. Official signed version can be found on the Mozilla add-on page. This extension will allow you to access your zx2c4 pass repository directly from your web browser. You can choose to automatically fill and submit login forms if a matching password entry is found. Add-on that allows users of the unix password manager 'pass' to access their password store from Firefox. PassFF allows users of the unix password manager pass (see below) to access their password repository directly from Firefox. PassFF can be configured to auto-fill and auto-submit login forms when a matching password entry is found. -
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pwnat
The only tool/technique to punch holes through firewalls
pwnat is a NAT traversal research tool created to demonstrate communication between clients and servers located behind separate NAT devices. It explores a technique for establishing connectivity without traditional port forwarding, DMZ configuration, or an external relay server. The project is written in C and focuses on low-level networking behavior. It is relevant for people studying NAT behavior, firewall traversal, peer-to-peer connectivity, and internet routing limitations. Because router behavior has changed over time, the technique should be treated as a historical and experimental networking project rather than a guaranteed modern solution. Its main value is explaining how NAT assumptions can be challenged and why network boundary behavior is complex. -
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reNgine
Automated framework for web application reconnaissance and scanning
reNgine is an automated reconnaissance framework designed to simplify and enhance the process of gathering information about web applications during security assessments. It provides a streamlined workflow for penetration testers, bug bounty hunters, and security teams who need to perform reconnaissance efficiently and at scale. The platform integrates multiple open-source reconnaissance tools into a unified environment with a configurable scanning engine and an intuitive web interface. reNgine focuses on improving traditional reconnaissance workflows by organizing collected data in a database and correlating results to make them easier to analyze. This approach helps security professionals avoid manually searching through scattered files and instead work with structured, searchable reconnaissance data. The framework supports continuous monitoring of targets and can automatically notify users about newly discovered assets or vulnerabilities. -
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sWAF
A simple Web Application Firewall docker image
sWAF is a simple Web Application Firewall docker image, pre-configured to be easily used within your web services architecture. It runs NGINX as a dedicated reverse proxy embedding powerful WAF engines: ModSecurity 3, using OWASP® ModSecurity Core Rule Set (CRS) rules, and NAXSI. It uses acme.sh for Let's Encrypt and other free CA support. A lot of people are self-hosting their own cloud infrastructure (using Nextcloud, Synology, QNAP, a cloud lease server or home-made solutions...), but we can never be too much paranoid about web security for a lot of good reasons. Too much time security is left on the background, or only by using some basic - but not sufficient - options and applications are front-faced to the big bad Internet. -
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sjcl
Stanford Javascript Crypto Library
The Stanford Javascript Crypto Library is a project by the Stanford Computer Security Lab to build a secure, powerful, fast, small, easy-to-use, cross-browser library for cryptography in Javascript. SJCL is small but powerful. The minified version of the library is under 6.4KB compressed, and yet it posts impressive speed results. SJCL is secure. It uses the industry-standard AES algorithm at 128, 192 or 256 bits; the SHA256 hash function; the HMAC authentication code; the PBKDF2 password strengthener; and the CCM and OCB authenticated-encryption modes. Just as importantly, the default parameters are sensible: SJCL strengthens your passwords by a factor of 1000 and salts them to protect against rainbow tables, and it authenticates every message it sends to prevent it from being modified. We believe that SJCL provides the best security which is practically available in Javascript. -
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uMatrix
Point and click matrix to filter net requests according to source
Definitely for advanced users. uMatrix does not guarantee that sites will work fine: it is for advanced users who can figure how to un-break sites, because essentially uMatrix is a firewall which works in relaxed block-all/allow-exceptionally mode out of the box: it is not unexpected that sites will break. uMatrix can be set to work in allow-all/block-exceptionally mode with a single click on all cells in the global scope if you prefer to work this way. This will of course break fewer sites, but you would then lose all the benefits which come with block-all/allow-exceptionally mode, though you will still benefit from the 62,000+ blacklisted hostnames by default. HTTP Switchboard's documentation is still relevant, except for uMatrix's differences with HTTP Switchboard. -
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vulscan
Advanced vulnerability scanning with Nmap NSE
Vulscan is a module that enhances nmap to a vulnerability scanner. The nmap option -sV enables version detection per service which is used to determine potential flaws according to the identified product. The data is looked up in an offline version of VulDB. -
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wholeaked
Tool that embeds identifiers in files to trace leak sources
wholeaked is an open source file distribution and tracking tool designed to help identify the source of leaked files. It works by generating unique versions of a file for each recipient and embedding identifying signatures or metadata into each distributed copy. If the file later appears in an unauthorized location, the embedded identifier can be analyzed to determine which recipient originally received that specific version. This approach allows organizations, researchers, or individuals to trace the origin of leaks in sensitive documents, binaries, or other shared resources. wholeaked automates the process of creating personalized file variants and associating them with a list of recipients. By integrating metadata signatures into each distributed file, wholeaked makes it easier to track potential data leaks while maintaining a structured record of distribution. Overall, it provides a practical method for accountability and leak attribution when sharing confidential files. -
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NDW - Network Data Wiping Hard Disks HDD
Wipe erase data from hdds on the network, unlimited hard disks
Automated network based hard disk drives / storage devices erasure is server based software which installs on a central server. Server is connected to network switches and several PXE boot enabled workstations are attached to the network. As soon as the workstation is powered on, it boots off the network via the server and begins wiping all the attached hard disk drives. Once all the hard drives are wiped, data related to each hard disk is stored in the central server’s database. Read WIKI Automated unattended network based data erasure wiping Comprehensive Reporting Web GUI reporting Generates certificate of data erasure Barcodes Labels Graphs Pie / Bar / Line Charts Hard Disks bad sectors & health reporting Hard Disk SMART Data collection Database Driven Distributed System Hard Disk Drives health reports Part Open Source * Friendly GUI Graphical User Interface Mass Hard Disk Drive Destruction Data Wiping HDD Data Eraser Storage Array Data Wipe -
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Secure Internet Live Conferencing
Secure chat and conferencing protocol
See http://silcnet.org/ for detailed information. SILC provides common chat and conferencing services like private messages, instant messages, channels and groups, and video and audio conferencing. The main difference to other protocols is that SILC has been designed with security as its main feature. All packets and messages sent in SILC network are always encrypted. Private messages are encrypted end-to-end, channel message are encrypted with channel-wide secret key and secure file transfer is protected peer-to-peer. -
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santoku
Mobile Forensics, Malware Analysis, and App Security Testing
Santoku is an easy to use, Open Source platform, dedicated to mobile forensics, analysis, and security. Version 0.5: md5: c2dcab27e6444730acc9bc351f34e543 sha1: 4d39adc01c443ac24a53a33f0ac077980d77c1fe sha256: ed72a014033c621c0da632b7e9853920b834a4bceae4427513737f7cf5ff0f55 -
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w3af, is a Web Application Attack and Audit Framework. The w3af core and it's plugins are fully written in python. The project has more than 130 plugins, which check for SQL injection, cross site scripting (xss), local and remote file inclusion and much more. This project has been migrated to github! See details in our project site: http://w3af.org/
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lshell is a shell coded in Python, that lets you restrict a user's environment to limited sets of commands, choose to enable/disable any command over SSH (e.g. SCP, SFTP, rsync, etc.), log user's commands, implement timing restriction, and more.
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cyborg hawk v 1.0
The World's most advanced penetration testing distribution ever
The most advanced, powerful and yet beautiful penetration testing distribution ever created.Lined up with ultimate collection of tools for pro Ethical Hackers and Cyber Security Experts. Simplify security in your IT infrastructure with Cyborg. Its real strength comes from the understanding that a tester requires a strong and efficient system,that benefits from a strong selection of tools, integrated with a stable linux environment. -
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gnoMint
An easy CA managing tool for graphical and command line environments
An easy CA managing tool for graphical and command line environments. -
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Libnids - NIDS E-component, based on Linux kernel. This library provides IP defragmentation, TCP reassembly and port scan detection.
