Open Source OSINT Tools - Page 4
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OSINT Tools
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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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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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zynix-fusion
zynix-Fusion is a framework for hacking
zynix-Fusion is a framework that aims to centralize, standardizeand simplify the use of various security tools for pentest professionals.zynix-Fusion (old name: Linux evil toolkit) has few simple commands, one of which is theinit function that allows you to define a target, and thus use all the toolswithout typing anything else. -
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CrossLinked
LinkedIn employee enumeration tool using search engine scraping
CrossLinked is an open source LinkedIn enumeration tool designed to collect employee names associated with a target organization. Instead of accessing LinkedIn directly or relying on its API, it performs search engine scraping using services such as Google and Bing to discover public LinkedIn profile results. By analyzing these search results, CrossLinked extracts employee names and processes them into usable formats for security assessments or reconnaissance activities. This approach allows the tool to operate without credentials, authentication tokens, or LinkedIn account access. CrossLinked is commonly used by penetration testers and security professionals during the reconnaissance phase to identify potential usernames or email address formats for a target organization. It also supports customizable naming templates, enabling users to generate usernames or email formats that match corporate account conventions. -
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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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IVRE
Open source framework for large scale network reconnaissance and analy
IVRE is an open source network reconnaissance framework designed to collect, process, and analyze intelligence gathered from network scans and traffic data. It provides tools for both active and passive reconnaissance, enabling users to understand how networks behave and identify exposed services or infrastructure. The framework integrates with well known security and scanning tools such as Nmap, Masscan, ZGrab2, ZDNS, and Zeek to gather large amounts of network intelligence. IVRE stores the collected data in a database and offers multiple ways to explore and analyze it, including a web interface, command line tools, and a Python API. This allows security professionals to query scan results, inspect network flows, and identify patterns across large datasets. The project can be used to build self hosted alternatives to internet scanning services such as Shodan or Censys, giving organizations full control over their own reconnaissance infrastructure. -
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MOSINT
An automated e-mail OSINT tool
MOSINT is the fastest OSINT Tool for emails. It helps you gather information about the target email. Email validation, check social accounts, check data breaches and password leaks, finding related emails and domains, scan Pastebin Dumps. Google Search and DNS Lookup. -
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cloud_enum
Multi-cloud OSINT tool for discovering public cloud resources
cloud_enum is an open source reconnaissance and OSINT tool designed to discover publicly accessible cloud resources across major cloud providers. It focuses on enumerating assets in Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform using keyword-based discovery techniques. It works by taking user-provided keywords and generating variations through mutation wordlists, then testing these combinations against common cloud service naming patterns. cloud_enum performs both HTTP probing and DNS lookups to identify resources such as storage buckets, cloud applications, and databases that may be exposed or accessible. cloud_enum uses concurrent processing to speed up scanning, enabling efficient enumeration of large numbers of possible resource names. It can identify both publicly accessible and protected resources, helping security researchers understand the external cloud footprint of an organization. -
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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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gitGraber
Real-time GitHub monitor that detects leaked API keys and secrets
gitGraber is a Python-based security tool designed to monitor GitHub in real time to detect exposed sensitive information in publicly indexed repositories. It scans recently indexed files on GitHub and searches for patterns that may indicate leaked credentials, API keys, or other confidential data used by popular online services. Instead of analyzing the full history of repositories, the tool focuses on newly indexed content, allowing security researchers and bug bounty hunters to quickly identify fresh leaks as they appear. gitGraber uses carefully crafted regular expressions to detect tokens and secrets associated with platforms such as AWS, Google, PayPal, Twitter, Stripe, and many others. When a potential leak is discovered, the tool can notify users through messaging platforms or display results directly in the command line. This approach helps organizations and security professionals monitor potential exposures. -
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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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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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Hcon Security Testing Framework
Open Source Penetration Testing / Ethical Hacking Framework
HconSTF is Open Source Penetration Testing Framework based on different browser technologies, Which helps any security professional to assists in the Penetration testing or vulnerability scanning assessments.contains webtools which are powerful in doing xss(cross site scripting), Sql injection, siXSS, CSRF, Trace XSS, RFI, LFI, etc. Even useful to anybody interested in information security domain - students, Security Professionals,web developers, manual vulnerability assessments and much more. -
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Scalytics Open Intelligence - OSINT
Open OSINT stack for monitoring, analysis, and risk detection
EUOSINT is the open-source edition of the OSINT pipeline built by Scalytics for real-world intelligence monitoring, situation analysis, and risk detection. It is not a toy dashboard or a loose script bundle. It is a packaged operational stack with a web interface, a Go-based collector runtime, configurable ingestion and refresh cadence, Docker-first deployment, and local or server installation options. The public release removes non-public and protected integrations while preserving the pipeline structure and deployment model that make the system usable in practice. EUOSINT is built for teams that need continuous monitoring, reproducible installs, and a base they can extend for their own intelligence and security workflows. -
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YoungerSibling
YoungerSibling: Cross-platform OSINT tool for quick data gathering.
YoungerSibling is a Python-based terminal utility script designed for educational purposes. It provides a set of useful tools to perform tasks like searching the web, performing lookups (Google search, IP lookup, username lookup, etc.), and extracting metadata from images, directly from the terminal. This project aims to help students, developers, and hobbyists learn about web scraping, API usage, and terminal interaction with Python. -
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Sn1per
Attack Surface Management Platform | Sn1perSecurity LLC
Sn1per Professional is an all-in-one offensive security platform that provides a comprehensive view of your internal and external attack surface and offers an asset risk scoring system to prioritize, reduce, and manage risk. With Sn1per Professional, you can discover the attack surface and continuously monitor it for changes. It integrates with the leading open source and commercial security testing tools for a unified view of your data. -
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Oculus
Oculus - OSINT VM
A pre-configured Kali Linux virtual machine designed for Open Source Intelligence investigations, including essential tools for reconnaissance, social media research, metadata analysis, and reporting, with privacy and cleanup adjustments applied -
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Public Intelligence Tool
Simple Portable Web Browser for Open Source Intelligence
This is a Project I have been working on I call it PITT or Public Intelligence Tool, It is built of the open source web browser Iron, filled with links for searching tons for Public Information. There a similar tools on the market but I laid mine out the way I like it, and I hope everyone else will to. I will be hopefully trying to update this tool weekly with new links and information, making new improvements. I Have the discussions open if you want to add anything new or feel something should change just write it and il research it and add it in. Please use the tool responsibly and give credit where credit is due. This tool is not for criminal uses, it is only for Official use with proper permissions. I do not own any links in here. Be Awesome with a 100% Free Donation :D - http://adf.ly/4228472/free-donation !Contains Ads! It is for use by Security Researchers, Government Agencies, Law Enforcement, Student Research and Legal Red Teaming and Penetration Testing -
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Argus
Python toolkit for OSINT and reconnaissance with 135+ modules
Argus is a Python-based open source toolkit designed to simplify information gathering and reconnaissance tasks in cybersecurity. It provides an integrated command-line environment that consolidates numerous reconnaissance utilities into a single framework. The tool enables users to collect data about networks, domains, web applications, and infrastructure in an organized and efficient manner. Argus includes a modular architecture with more than 130 modules that support activities such as DNS analysis, port scanning, web application inspection, and threat intelligence lookups. Its interactive CLI allows users to browse available modules, configure targets, run scans, and review results from within a unified interface. The project aims to reduce the complexity of using multiple separate reconnaissance tools by bringing them together in one streamlined platform. Argus also supports integrations with external intelligence services. -
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BBOT
The recursive internet scanner for hackers
BBOT is an advanced open-source reconnaissance automation framework designed to streamline large-scale OSINT and attack surface discovery workflows. It operates as a modular and recursive scanning tool that can enumerate subdomains, perform port scans, gather metadata, and collect web intelligence through a unified command-line interface. The project emphasizes extensibility, allowing users to create or integrate custom modules that expand the scope of reconnaissance tasks without modifying the core engine. BBOT is particularly valuable for security researchers and red teamers who need to automate multi-stage discovery processes across complex infrastructures. Its architecture supports chaining multiple reconnaissance techniques together, enabling continuous discovery rather than one-off scans. The tool balances power and usability by providing sensible defaults while still exposing deep configuration options for advanced users. -
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Fav-up
Look up IP addresses using favicon hashes via Shodan
fav-up is an open source reconnaissance utility designed to identify servers and websites by analyzing favicon hashes and querying the Shodan search engine. It calculates the hash of a favicon image and then uses that value to search Shodan for other hosts that use the same icon. This technique is commonly used in security research and OSINT investigations to discover related infrastructure or services that may belong to the same organization. fav-up can retrieve favicon data from several sources, including local files, direct favicon URLs, or full web pages where the favicon is automatically extracted. fav-up then computes the favicon hash and performs Shodan queries to locate IP addresses that match the same hash. To support larger investigations, the tool can iterate over lists of URLs, domains, or favicon files in bulk. Results can be printed to the console or exported into structured formats such as CSV or JSON for further analysis and reporting. -
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FavFreak
Favicon hash–based reconnaissance tool for security research
FavFreak is an open source reconnaissance tool designed to assist security researchers, bug bounty hunters, and penetration testers in identifying web technologies using favicon hashes. It works by taking one or more URLs as input and automatically retrieving the favicon.ico file associated with each target website. After fetching the favicon, it calculates a hash value and organizes the scanned domains, subdomains, or IP addresses according to these hashes. FavFreak then compares the generated hashes against a predefined fingerprint dictionary that maps known favicon hashes to specific technologies or services. If a match is found, it displays the corresponding technology information in the output, helping researchers quickly identify potential targets or related infrastructure. This approach is particularly useful during reconnaissance phases of security assessments because many web services share identical favicon hashes. -
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Hakrawler
Fast Go web crawler for discovering URLs and web app endpoints
hakrawler is a lightweight command-line web crawler built in Go that is designed to quickly discover URLs, endpoints, and assets within web applications. It is primarily used during the reconnaissance phase of security testing, bug bounty hunting, and penetration testing. It works by automatically crawling web pages and extracting links, JavaScript file locations, and other resources that may reveal additional attack surface or hidden functionality. hakrawler is implemented as a simple and efficient crawler using the Gocolly library, which allows it to perform fast and concurrent crawling of web pages. It accepts URLs through standard input, making it easy to integrate into command-line pipelines with other security tools. This workflow enables researchers to combine it with subdomain enumeration, HTTP probing, and vulnerability scanning utilities to automate reconnaissance processes. hakrawler can follow links within a website and optionally include subdomains. -
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HostHunter
OSINT reconnaissance tool for discovering hostnames from IP addresses
HostHunter is an open source reconnaissance tool designed to discover and extract hostnames associated with a large set of IPv4 or IPv6 addresses. It helps security professionals map IP addresses to virtual hostnames using a combination of OSINT data sources and active reconnaissance techniques. This approach enables users to identify hidden or additional services that may be hosted behind a single IP address. By correlating hostname information from certificates, APIs, HTTP headers, and other sources, the tool helps reveal the broader attack surface of an organization or infrastructure. HostHunter is commonly used in penetration testing, bug bounty reconnaissance, and security assessments where identifying virtual hosts is critical. HostHunter supports multiple output formats, making it easier to integrate the results into other security tools or workflows. -
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Mantis
Automated framework for asset discovery and vulnerability scanning
Mantis is an open source security framework designed to automate the workflow of asset discovery, reconnaissance, and vulnerability scanning for organizations and security teams. Mantis operates through a command line interface and accepts targets such as top level domains, IP addresses, or network ranges as input. From these inputs, it automatically discovers associated digital assets including subdomains and SSL certificates, allowing users to map the attack surface of a system. After discovery, the framework performs reconnaissance on active assets to gather technical information such as open ports, technologies, network details, and hosting infrastructure. Mantis then conducts security scans to identify vulnerabilities, exposed secrets, configuration weaknesses, and potentially malicious phishing domains. It integrates both open source and custom security tools to automate multiple phases of a security assessment in a single workflow.
