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FileGo is a simple web-based file sharing application. It has a 2GB maximum file size per upload, scans all files for malware, and sets a default 7-day expiration for share links. Users can share files via link, QR code, email, SMS or Telegram, and can report dangerous or offensive content through the platform.
Fortinet map visualizing cyber attack activity, malware detections, and global threat events.
DNS and content blocklists for blocking ads, trackers, malware, and unwanted domains.
IDOCPUB is a document and e-book sharing site where documents are shared by the community. Uploaded documents are scanned with a virus and malware scanner, and a three-step approval process is applied before publishing to filter spam. The site states that all documents are free.
ImHex supports reverse engineering, malware analysis, file inspection, or security research workflows.
Intra is an Android app that encrypts connections to public DNS servers to protect against DNS manipulation, a cyber attack used to block access to news sites, social media platforms and messaging apps. It helps protect against phishing and malware, and lets users customize their DNS server provider, including using their own server or providers such as Cloudflare or Google.
Jotti's malware scan is a free service for scanning suspicious files with several anti-virus programs. Users can submit up to five files at once, with a 250MB limit per file. All submitted files are shared with anti-virus companies so the detection accuracy of their products can be improved.
JShelter is a browser extension that controls browser APIs to limit what JavaScript on visited pages can see and gather. It is described as anti-malware software intended to mitigate threats including fingerprinting, tracking and data collection, and it offers protection levels that can restrict or forbid APIs on a site. It is available under the GNU General Public License.
KnockKnock is a macOS application that lists persistently installed software to reveal malware that installs itself persistently. It enumerates known locations where persistent software may be installed. Signed Apple binaries are filtered out by default, and legitimate third-party software is also displayed. It requires macOS 10.15 or later and can optionally use a VirusTotal API key.
Security journalism site covering cybercrime, breaches, fraud, malware, and online threats.
LemmeDebug supports reverse engineering, malware analysis, file inspection, or security research workflows.
LO4D.com offers free software downloads for Windows PCs, with reviews, comparisons, alternatives and security reports including antivirus tests. It separates freeware from non-free titles by category and states that files are tested against malware and other threats.
LuLu is a free, open-source macOS firewall that blocks unknown outgoing network connections. It alerts users when a new or unauthorized outgoing connection is created, which may indicate a newly installed application or malware. Installation requires manual approval of its System Extension and Network Filter through macOS, and it runs from the status bar, starting automatically at login.
Medicat is a toolkit that helps compile a selection of the latest computer diagnostic and recovery tools into an easy to use toolkit. The site lists password removal tools, ransomware and malware recovery, partitioning and disk utilities, and backup and data recovery. A documentation collection is offered as a work in progress.
Netcraft Report is a page for reporting phishing, malware or suspicious URLs, emails and files so they can be automatically blocked. Reports are analyzed by Netcraft's classification system. The page notes that some site areas may not work if the browser is unsupported.
PCAPdroid is an Android packet capture tool with dump modes including HTTP server, PCAP file, UDP exporter and TCP exporter. It supports TLS decryption and advanced features such as DNS server, DoH support, IPv6 support, root capture and extensions. Some features, including Firewall, Malware Detection and Pcapng Format, are paid.
PortableApps.com offers a portable software system for building a custom app suite for a synced cloud folder, a local PC, or a USB drive. It includes a built-in app directory and store, an updater, folders, favorites, and type-to-find search. The platform is offered at no cost without registration, and the site lists no adware, spyware, or malware.
Re-Malwack is a root module for Magisk, KernelSU and APatch that blocks ads, malware and trackers system-wide. It offers curated profiles, an app-like WebUI, pause and resume, hosts file control and import of setups. Non-root users can import its hosts profiles into local VPN apps such as AdAway, RethinkDNS or PersonalDNSFilter.
REMnux is a Linux toolkit for reverse-engineering and analyzing malicious software. It provides a curated collection of free community-created tools for hands-on malware investigation, distributed as a virtual machine, a from-scratch install on a dedicated host or compatible Ubuntu system, and Docker images of popular analysis tools.
RethinkDNS is a private DNS resolver with custom rules, blocklists and analytics, and RethinkDNS + Firewall is a companion Android app. Features include an Android firewall that blocks apps from connecting to the Internet, DNS-layer content blocking of ads and trackers, and anti-censorship through encrypted DNS requests. It is free and open source.
A site offering lessons on the fundamentals of reverse engineering, binary analysis and software security. It describes hands-on tutorials, practical examples and real-world scenarios covering binary analysis, malware research, and static and dynamic analysis.
Portmaster is a free and open-source application firewall from Safing that monitors network connections on a computer. It blocks trackers and malware hosts system-wide and routes DNS queries over DNS-over-TLS by default. Users can set global and per-application rules, including cutting off applications from the internet or restricting connections to certain countries. Downloads are offered for Windows, Debian/Ubuntu and Fedora.
A guide for reading VirusTotal reports. It covers steps such as checking the scan date, details tab, submitted names, relations tab, behavior tab and detections tab. The guide states that the final decision on whether to run a file is the user's.
Spambox is a free disposable temporary email service that provides throwaway addresses expiring after a certain period. It requires no registration and states that mail is automatically deleted after a while. It is presented as a way to keep spam, advertising mail and malware out of a real mailbox.
