github.com
Reversing Bits is a GitHub repository or organization with source code, releases, documentation, or project resources.
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github.com
Sniffnet is a GitHub repository or organization with source code, releases, documentation, or project resources.
github.com
Web Check is a GitHub repository or organization with source code, releases, documentation, or project resources.
bazaar.abuse.ch
MalwareBazaar is a platform from abuse.ch and Spamhaus for sharing malware samples with the infosec community, antivirus vendors, and threat intelligence providers. Users can upload samples, browse the database, set alerts for newly observed malware, and use APIs to push or pull signals and automate bulk queries. Spamhaus datasets enhanced with MalwareBazaar samples are also available.
better-auth.com
Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides built-in email and password authentication, account and session management, social sign-on, two-factor authentication, and a rate limiter, and can be extended with plugins for features such as passkeys and multi-tenancy. It supports most popular frameworks and requires a database, such as SQLite, PostgreSQL, or MySQL, to store user data.
binary.ninja
Binary Ninja offers two free ways to try the reverse engineering tool: Binary Ninja Cloud, a browser-based tool, and Binary Ninja Free, a downloadable app for local use. Cloud supports all architectures but requires uploading binaries; Free supports x86, x86_64, ARMv7 and ARMv8/AArch64 and is for non-commercial purposes or evaluation.
trycap.dev
Cap is a free, open-source, self-hosted CAPTCHA alternative. It uses proof-of-work and JavaScript instrumentation challenges instead of visual puzzles, and is licensed under Apache 2.0. It is installed by running a server with Docker and adding a widget to a form.
certbot.eff.org
Certbot is a tool run from the command line to obtain and install HTTPS certificates. It can either be run once to get free HTTPS certificates or used with instructions generated for a server's software and system. Using it requires comfort with the command line and an HTTP website. The project is a project of the Electronic Frontier Foundation.
challenges.re
Reverse Engineering challenges is a collection of reverse engineering exercises contrived by Dennis Yurichev. The challenges are organized by level, type, architecture and operating system, with levels ranging from 1 to 3. The site also offers an about page.
checkfiletype.com
CheckFileType is a free online tool that determines a file's true type, extension and MIME type from its contents rather than its extension. Users upload a file without registration, and the tool can look inside archives such as ZIP files to report the type of each contained file. Files are stored temporarily and removed after one hour.
crowdsec.net
CrowdSec provides curated, crowd-powered threat intelligence in the form of actionable blocklists intended to help security operations teams block malicious IPs. The site describes a global view of threat intelligence built from data from real users, servers and production environments, and lists blocklists covering aggressive IPs, specific industries and countries, and high background noise.
cutter.re
Cutter is a free and open-source reverse-engineering platform powered by Rizin, using Rizin as its core engine. It is built with Qt and C++ and provides access to Rizin features through a GUI or an integrated terminal. Its releases integrate the native Ghidra decompiler, and it includes a graph view, debugger (beta), hex editor, Python scripting engine and plugins.
dnswatch.info
DNSWatch offers DNS lookup and reverse DNS lookup tools with exact performance measuring and DNS server monitoring. It also provides RBL email blacklist lookup and IP location lookup. Paid products include DNS performance monitoring starting at $1 per month, mailserver blacklist monitoring starting at $3.5 per month, and a DNS changetracker starting at $7.9 per month. The site is free to use with ads.
dnsperf.com
DNSPerf compares the speed and uptime of enterprise and commercial DNS services. It lists DNS providers sorted by DNSPerf rank based on data for the last 30 days, calculated using 40% performance, 45% uptime and 15% quality.
frida.re
Frida is a dynamic instrumentation toolkit for developers, reverse-engineers and security researchers. It lets users inject their own scripts into black box processes to hook functions and trace application code, and it runs on Windows, macOS, GNU/Linux, iOS, watchOS, tvOS, Android, FreeBSD and QNX.
gnunet.org
GNUnet is GNU's framework for secure peer-to-peer networking. It is described as a network protocol stack for building secure, distributed and privacy-preserving applications, aiming to replace the existing Internet protocol stack, and is free software.
horsicq.github.io
horsicq helps developers write, search, review, test, or manage code and projects.
itechguides.com
How To Turn off IPv6 helps developers write, search, review, test, or manage code and projects.
getipintel.net
IP Intelligence is a free real-time service that determines how likely an IP address is a proxy, VPN, hosting or bad IP, returning a probabilistic value between 0 and 1. It uses machine learning and probability theory with dynamic checks against large datasets. The API requires no key or sign-up, and an optional residential proxy detection flag is available.
ip6.nl
A web-based tool that tests the IPv6 readiness of an internet domain and shows whether the visitor's own connection supports IPv6. It reports DNS-based results, including nameserver and mail exchanger records, and maintains a Hall of Fame of domains scoring five stars. It also warns when an embedded MAC-address identifies the device. The site requires JavaScript.
store.nethunter.com
The Kali NetHunter App Store is an installable catalogue of Android applications for penetration testing and forensics. Its client allows users to browse, install and keep track of updates on their device. The page also links related NetHunter components, including the NetHunter app, terminal emulator and KeX desktop experience client.
kismetwireless.net
Kismet is a sniffer, WIDS, and wardriving tool for Wi-Fi, Bluetooth, Zigbee, RF, and more, running on Linux and macOS. It provides distributed capture over TCP sockets or websockets, a unified kismetdb logfile based on sqlite3, and a REST-like API for its embedded webserver.
greasyfork.org
LemmeDebug supports reverse engineering, malware analysis, file inspection, or security research workflows.
letsencrypt.org
Let's Encrypt is a free, automated, and open Certificate Authority operated by the nonprofit Internet Security Research Group. It provides free TLS certificates so websites can enable HTTPS encryption; obtaining a certificate requires demonstrating control over the domain, and issuance uses the ACME protocol with client software.