Suricata IDS - Network threat detection engine

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The Suricata engine is capable of real time intrusion detection (IDS), inline intrusion prevention (IPS), network security monitoring (NSM) and offline pcap processing. Suricata inspects the network traffic using a powerful and extensive rules and signature language, and has powerful Lua scripting support for detection of complex threats.

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OpenWIPS-ng - Wireless Intrusion Prevention System

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OpenWIPS-ng is an open source and modular Wireless IPS (Intrusion Prevention System). It is composed of three parts: Sensor(s): "Dumb" devices that capture wireless traffic and sends it to the server for analysis. Also responds to attacks. Server: Aggregates the data from all sensors, analyzes it and responds to attacks. It also logs and alerts in case of an attack. Interface: GUI manages the server and displays information about the threats on your wireless network(s).

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security-onion - Linux distro for intrusion detection, enterprise security monitoring, and log management

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For more information about Security Onion, please see our main website, blog, and wiki. This repo contains the ISO image, Wiki, and Roadmap for Security Onion.

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Bro - Network Security Monitor

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Bro is a powerful network analysis framework that is much different from the typical intrusion detection system you may know. Bro provides a comprehensive platform for more general network traffic analysis as well.

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Wazuh - Host and endpoint security

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Wazuh helps you to gain deeper security visibility into your infrastructure by monitoring hosts at an operating system and application level. This solution, based on lightweight multi-platform agents, provides the capabilities like Log management and analysis, File integrity monitoring, Intrusion and anomaly detection, Policy and compliance monitoring.

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maltrail - Malicious traffic detection system

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Maltrail is a malicious traffic detection system, utilizing publicly available (black)lists containing malicious and/or generally suspicious trails, along with static trails compiled from various AV reports and custom user defined lists, where trail can be anything from domain name (e.g. zvpprsensinaix.com for Banjori malware), URL (e.g. http://109.162.38.120/harsh02.exe for known malicious executable), IP address (e.g. 185.130.5.231 for known attacker) or HTTP User-Agent header value (e.g. sqlmap for automatic SQL injection and database takeover tool). Also, it uses (optional) advanced heuristic mechanisms that can help in discovery of unknown threats (e.g. new malware). Maltrail is based on the Traffic -> Sensor <-> Server <-> Client architecture. Sensor(s) is a standalone component running on the monitoring node (e.g. Linux platform connected passively to the SPAN/mirroring port or transparently inline on a Linux bridge) or at the standalone machine (e.g. Honeypot) where it "monitors" the passing Traffic for blacklisted items/trails (i.e. domain names, URLs and/or IPs). In case of a positive match, it sends the event details to the (central) Server where they are being stored inside the appropriate logging directory (i.e. LOG_DIR described in the Configuration section). If Sensor is being run on the same machine as Server (default configuration), logs are stored directly into the local logging directory. Otherwise, they are being sent via UDP messages to the remote server (i.e. LOG_SERVER described in the Configuration section).

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pig - A Linux packet crafting tool.

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Pig (which can be understood as Packet intruder generator) is a Linux packet crafting tool. You can use Pig to test your IDS/IPS among other stuff.Pig brings a bunch of well-known attack signatures ready to be used and you can expand this collection with more specific things according to your requirements.

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snorby - Ruby On Rails Application For Network Security Monitoring

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Snorby is a ruby on rails web application for network security monitoring that interfaces with current popular intrusion detection systems (Snort, Suricata and Sagan). The basic fundamental concepts behind Snorby are simplicity, organization and power. The project goal is to create a free, open source and highly competitive application for network monitoring for both private and enterprise use. Get Snorby from the download section or use the latest edge release via git.

OSSEC - Host-based Intrusion Detection System

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OSSEC is a full platform to monitor and control your systems. It mixes together all the aspects of HIDS (host-based intrusion detection), log monitoring and SIM/SIEM together in a simple, powerful and open source solution.

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Snort - Network Intrusion Prevention and Detection System

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Snort is an open source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire. Snort can perform protocol analysis and content searching/matching. It can be used to detect a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more.

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Network Security Toolkit (NST)

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Network Security Toolkit (NST) is a bootable ISO image (Live DVD) based on Fedora 18 providing easy access to best-of-breed Open Source Network Security Applications and should run on most x86/x86_64 platforms. The main intent of developing this toolkit was to provide the network security administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 125 Security Tools by INSECURE.ORG are available in the toolkit. An advanc

OSSEC - Host-based Intrusion Detection System

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OSSEC is an Open Source Host-based Intrusion Detection System. It performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.

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MISP - MISP (core software) - Open Source Threat Intelligence Platform (formely known as Malware Information Sharing Platform)

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MISP, is an open source software solution for collecting, storing, distributing and sharing cyber security indicators and threat about cyber security incidents analysis and malware analysis. MISP is designed by and for incident analysts, security and ICT professionals or malware reverser to support their day-to-day operations to share structured informations efficiently. The objective of MISP is to foster the sharing of structured information within the security community and abroad. MISP provides functionalities to support the exchange of information but also the consumption of the information by Network Intrusion Detection System (NIDS), LIDS but also log analysis tools, SIEMs.

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caldera - An automated adversary emulation system

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CALDERA is an automated adversary emulation system that performs post-compromise adversarial behavior within Windows Enterprise networks. It generates plans during operation using a planning system and a pre-configured adversary model based on the Adversarial Tactics, Techniques & Common Knowledge (ATT&CK™) project. These features allow CALDERA to dynamically operate over a set of systems using variable behavior, which better represents how human adversaries perform operations than systems that follow prescribed sequences of actions. CALDERA is useful for defenders who want to generate real data that represents how an adversary would typically behave within their networks. Since CALDERA's knowledge about a network is gathered during its operation and is used to drive its use of techniques to reach a goal, defenders can get a glimpse into how the intrinsic security dependencies of their network allow an adversary to be successful. CALDERA is useful for identifying new data sources, creating and refining behavioral-based intrusion detection analytics, testing defenses and security configurations, and generating experience for training.

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Moloch - Large scale, full packet capturing, indexing, and database system

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Moloch is an open source, large scale, full packet capturing, indexing, and database system. Moloch augments your current security infrastructure to store and index network traffic in standard PCAP format, providing fast, indexed access. An intuitive and simple web interface is provided for PCAP browsing, searching, and exporting.

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sigma - Generic Signature Format for SIEM Systems

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Sigma is a generic and open signature format that allows you to describe relevant log events in a straight forward manner. The rule format is very flexible, easy to write and applicable to any type of log file. The main purpose of this project is to provide a structured form in which researchers or analysts can describe their once developed detection methods and make them shareable with others. Sigma is for log files what Snort is for network traffic and YARA is for files.

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fail2ban - Daemon to ban hosts that cause multiple authentication errors

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Fail2Ban scans log files like /var/log/auth.log and bans IP addresses having too many failed login attempts. It does this by updating system firewall rules to reject new connections from those IP addresses, for a configurable amount of time. Fail2Ban comes out-of-the-box ready to read many standard log files, such as those for sshd and Apache, and is easy to configure to read any log file you choose, for any error you choose. Though Fail2Ban is able to reduce the rate of incorrect authentications attempts, it cannot eliminate the risk that weak authentication presents. Configure services to use only two factor or public/private authentication mechanisms if you really want to protect services.

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YASeMI

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YASeMI (Yet Another Security Monitoring Interface) consists of a Web interface that can be of aid to SysAdmins and Security Admins, in detecting possible anomaly or intrusion behaviour in their network, based on Netflow data their routers emit.

Apache Metron - Real-time Big Data Security

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Metron integrates a variety of open source big data technologies in order to offer a centralized tool for security monitoring and analysis. Metron provides capabilities for log aggregation, full packet capture indexing, storage, advanced behavioral analytics and data enrichment, while applying the most current threat intelligence information to security telemetry within a single platform.

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osquery - SQL powered operating system instrumentation, monitoring, and analytics.

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osquery is an operating system instrumentation framework for OS X/macOS, Windows, and Linux. The tools make low-level operating system analytics and monitoring both performant and intuitive.There are many additional continuous build jobs that perform dynamic and static analysis, test the package build process, rebuild dependencies from source, assure deterministic build on macOS and Linux, fuzz test the virtual tables, and build on several other platforms not included above. Code safety, testing rigor, data integrity, and a friendly development community are our primary goals.

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