Reversing Bits is a GitHub repository or organization with source code, releases, documentation, or project resources.
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Rizin is a free and Open Source Reverse Engineering Framework. It uses a shell-like command-line environment for analyzing binaries, with automatic signature detection to match unnamed functions against FLIRT signatures. Projects for saving and loading Rizin sessions are in beta, and Cutter is Rizin's official graphical user interface. A package manager for downloading, compiling and installing plugins is still in early development.
ROP Emporium teaches return-oriented programming through a series of challenges, starting with ret2win and progressing through topics such as split, callme, write4, badchars, fluff, pivot and ret2csu. A beginners' guide is available.
Sniffnet is a GitHub repository or organization with source code, releases, documentation, or project resources.
SSL For Free issues free SSL and wildcard certificates through ZeroSSL, including via ACME, a web app and a REST API. It offers paid Basic, Premium and Business packages with monthly or yearly billing, plus tutorials for installing certificates on various server and hosting platforms. Private keys are generated and encrypted on the user's device.
Supabase is a Postgres development platform for building applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Every project includes a full Postgres database, and the platform auto-generates a REST API from the database schema using PostgREST. Documentation covers connecting frameworks, building backends, extending databases and migrating existing data.
Test IPv6 tests a browser and connection for IPv6 readiness and shows the current IPv4 and IPv6 address. The site requires JavaScript and the ability to pull in cross-site scripts to perform the testing. A simple test offers a quick pass/fail for IPv4, IPv4+IPv6, and IPv6, but provides little diagnostic information.
Threat Radar is a real-time cyber threat intelligence radar showing vulnerabilities, malware, and global cyber threats, vulnerabilities, and attack patterns. It offers a live threat feed, geographic threat distribution, a threat timeline, and a REST API for access to threat intelligence data. A free account provides 30 API requests per hour.
ThreatFox is a project from abuse.ch and Spamhaus for sharing indicators of compromise associated with malware with the infosec community, AV vendors and cyber threat intelligence providers. Users can upload IOCs, browse the database, and use APIs to push and pull signals and automate bulk queries. Spamhaus datasets are enhanced with malware samples from ThreatFox.
unblob is an extraction suite that parses unknown binary blobs for more than 30 archive, compression and file-system formats. It extracts content recursively and carves out unrecognized chunks. It is free under the MIT license, offers a command line interface and can be used as a Python library. It was developed and is maintained by ONEKEY.
URLhaus is a platform operated by abuse.ch with the purpose of sharing malicious URLs used for malware distribution. It allows reporting URLs and browsing a database of malicious URLs. APIs enable pushing and pulling signals and automating bulk queries, and Spamhaus datasets enhanced by URLhaus are offered for threat hunting, email protection and network protection.
Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads. It collects, aggregates, indexes and analyzes security data to detect intrusions, threats and behavioral anomalies. Capabilities include file integrity monitoring, vulnerability detection, configuration assessment and log data analysis. A managed Wazuh Cloud service is also offered.
Web Check is an OSINT and security tool that reports on a website's configuration, including IP information, SSL certificates, DNS records, cookies, crawl rules and response headers. The site states it supports 44 checks and produces results in about 20 seconds.
Web Check is a GitHub repository or organization with source code, releases, documentation, or project resources.
A guide introducing Web Authentication (WebAuthn), a W3C and FIDO specification that lets servers register and authenticate users using public key cryptography instead of passwords. It explains how credentials work, with a private key stored on the user's device and a public key sent to the server, and covers registering credentials and authenticating with them.
WhatsMyDNS is a free online tool for performing DNS lookups against nameservers in many countries. It displays results on a map so users can check DNS propagation for a domain's IP address and DNS record information. The site says it maintains a range of DNS servers for lookups and parses the results for display.
x64dbg is an open-source debugger for Windows that supports both x64 and x32 applications through a single interface. It offers full-featured debugging of DLL and EXE files, a plugin API, an integrated scripting language and customizable themes.
ZAP, the Zed Attack Proxy, is a free and open source web app scanner maintained as a community project. It provides options for security automation, including packaged scans and an automation framework, and a marketplace of community-contributed add-ons.
ZeroSSL is a certificate authority offering free 90-day SSL certificates and premium annual certificates. It supports automated issuance and renewal via ACME clients and a REST API, plus one-step validation, wildcard and multi-domain certificates, installation checks and SSL monitoring.