265 Open source projects that are alternatives of or similar to d4-core

BGP ranking is a free software to calculate the security ranking of Internet Service Provider (ASN)

A Passive DNS backend and collector

NFStream: a Flexible Network Data Analysis Framework.

Network recon framework. Build your own, self-hosted and fully-controlled alternatives to Shodan / ZoomEye / Censys and GreyNoise, run your Passive DNS service, collect and analyse network intelligence from your sensors, and much more!

A website and framework for testing NIDS detection

Let's be scanned. A low-interaction honeypot focused on network scanners and bots. It integrates very well with IVRE to build a self-hosted alternative to GreyNoise.

基于NSURLProtocol一句话实现iOS应用底层所有网络请求拦截(含网页ajax请求拦截【不支持WKWebView】)、一句话实现防抓包(使Thor，Charles，Burp等代理抓包方式全部失效，且即使开启了代理，也不影响App内部的正常请求)。包含http-dns解决方法，有效防止DNS劫持。用于分析http，https请求等

A Python implementation of the Community ID flow hashing standard

Network recon framework, published by @cea-sec & @ANSSI-FR. Build your own, self-hosted and fully-controlled alternatives to Shodan / ZoomEye / Censys and GreyNoise, run your Passive DNS service, collect and analyse network intelligence from your sensors, and much more!

An open standard for hashing network flows into identifiers, a.k.a "Community IDs".

Network Tools

A Zeek Network Security Monitor tutorial that will cover the basics of creating a Zeek instance on your network in addition to all of the necessary hardware and setup and finally provide some examples of how you can use the power of Zeek to have absolute control over your network.

Script to facilitate different functions and checks

Blackbook of malware domains

Gadgets for Rainmeter

Yet Another Sniffer for monitoring network traffic

Application: Collect ALL UniFi Controller, Site, Device & Client Data - Export to InfluxDB or Prometheus

A network monitor for OkHttp.

A simple ping library using ICMP echo requests.

arpspoof for macOS - intercept packets on a switched LAN

A cross platform http sniffer with a web UI

An anti-ARP-spoofing application software that use active and passive scanning methods to detect and remove any ARP-spoofer from the network.

Healthbot configuration examples. Scripts to manage Healthbot. Closed loop automation. Healthbot building blocks description and troubleshooting guide

Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets

The CyberCX Digger project is designed to help Australian organisations determine if they have been impacted by certain high profile cyber security incidents. Digger provides threat hunting functionality packaged in a simple-to-use tool, allowing users to detect certain attacker activities; all for free.

Plug-and-play bash script for sniffing 802.11 probes requests 👃

Passive service locator, a python sniffer that identifies servers, clients, names and much more

High performance ping tool

The default package source of the Zeek Package Manager

Suricata git repository maintained by the OISF

Enable network mocks and more in UI Tests

AppSpector is a debugging service for mobile apps

An HTTP network request monitor for React Native with in-app interface for iOS and Android with no native code

Console based MAP 🗺 : with lots of features 🤩

Connect your mail client/infrastructure to MISP in order to create events based on the information contained within mails.

This plugin provides native network instrumentation for monitoring and metrics collection, including: hardware, TCP response, RBLs, whois, port status, and more.

Usable Privacy Box

`prettyping` is a wrapper around the standard `ping` tool, making the output prettier, more colorful, more compact, and easier to read.

Bandwidth tracker for OpenWRT that uses wrtbwmon

bandwidth monitor and rate estimator

📱👀 In-App iOS Debugging Tool With Enhanced Logging, Networking Info, Crash reporting And More.

Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets

The tool for updating your Suricata rules.

Arkime (formerly Moloch) is an open source, large scale, full packet capturing, indexing, and database system.

Malicious traffic detection system

Windows Firewall Notifier extends the default Windows embedded firewall by allowing to handle and notify about outgoing connections, offers real time connections monitoring, connections map, bandwidth usage monitoring and more...

MRTG - Multi Router Traffic Grapher

A Chrome extension which shows background network activity of web pages after they are loaded.

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Bro IDS Dockerfile

iOS Debugging Tool 🚀

An always-on framework that performs end-to-end functional network testing for reachability, latency, and packet loss

🔥火麒麟-网络安全应急响应工具(系统痕迹采集)Cybersecurity emergency response tool.👍👍👍

Marmot workflow execution engine

Real-time network traffic monitor

Network Source of Truth is an open source IPAM and network inventory database

👻 A LAN dropbox chatbot controllable via Telegram

Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.

Graphpath generates an ASCII network diagram from the route table of a Unix/Linux

Pandora FMS is a flexible and highly scalable monitoring system ready for big environments. It uses agents (Linux, Windows, AIX, HP-UX, Solaris and BSD systems) and can do both local and remote network monitoring (SNMP v3, TCP checks, WMI, etc).