awesome-cybersecurity-blueteam

Curated collection of information security themed Ansible roles that are both vetted and actively maintained

Clevis

Plugable framework for automated decryption, often used as a Tang client

DShell

Extensible network forensic analysis framework written in Python that enables rapid development of plugins to support the dissection of network packet captures

Server hardening framework providing Ansible, Chef, and Puppet implementations of various baseline security configurations

Password Manager Resources

Collaborative, crowd-sourced data and code to make password management better

Scriptable PDF file analyzer

Python-scriptable reverse engineering sandbox, based on QEMU

Container-based solution for automating Docker container base image updates, providing an unattended upgrade experience

MultiScanner

File analysis framework written in Python that assists in evaluating a set of files by automatically running a suite of tools against them and aggregating the output

Posh-VirusTotal

PowerShell interface to VirusTotal.com APIs

censys-python

Python wrapper to the Censys REST API

libcrafter

High level C++ network packet sniffing and crafting library

python-dshield

Pythonic interface to the Internet Storm Center/DShield API

python-sandboxapi

Minimal, consistent Python API for building integrations with malware sandboxes

python-stix2

Python APIs for serializing and de-serializing Structured Threat Information eXpression (STIX) JSON content, plus higher-level APIs for common tasks

Graphical generalized workflow (automation) builder for IT professionals and blue teamers

Aaia

Helps in visualizing AWS IAM and Organizations in a graph format with help of Neo4j

Behavioral activity monitor designed to detect anomalous activity in containerized applications, hosts, and network packet flows by auditing the Linux kernel and enriched by runtime data such as Kubernetes metrics

Secure container runtime with lightweight virtual machines that feel and perform like containers, but provide stronger workload isolation using hardware virtualization technology as a second layer of defense

Principal Mapper (PMapper)

Quickly evaluate IAM permissions in AWS via script and library capable of identifying risks in the configuration of AWS Identity and Access Management (IAM) for an AWS account or an AWS organization

Prowler

Tool based on AWS-CLI commands for Amazon Web Services account security assessment and hardening

Scout Suite

Open source multi-cloud security-auditing tool, which enables security posture assessment of cloud environments

gVisor

Application kernel, written in Go, that implements a substantial portion of the Linux system surface to provide an isolation boundary between the application and the host kernel

Provides horizontally scalable, highly available, multi-tenant, long term storage for Prometheus

Distributed tracing platform backend used for monitoring and troubleshooting microservices-based distributed systems

Observability framework for cloud-native software, comprising a collection of tools, APIs, and SDKs for exporting application performance metrics to a tracing backend (formerly maintained by the OpenTracing and OpenCensus projects)

Open-source systems monitoring and alerting toolkit originally built at SoundCloud

Distributed tracing system backend that helps gather timing data needed to troubleshoot latency problems in service architectures

Static analyzer of Kubernetes manifests that can be run locally, as a Kuberenetes admission controller, or as its own cloud service

Policy engine designed for Kubernetes

Ultra light Kubernetes-specific service mesh that adds observability, reliability, and security to Kubernetes applications without requiring any modification of the application itself

Managed Kubernetes Inspection Tool (MKIT)

Query and validate several common security-related configuration settings of managed Kubernetes cluster objects and the workloads/resources running inside the cluster

Validates Kubernetes best practices by running tests against code commits, a Kubernetes admission request, or live resources already running in a cluster

Sealed Secrets

Kubernetes controller and tool for one-way encrypted Secrets

certificate-expiry-monitor

Utility that exposes the expiry of TLS certificates as Prometheus metrics

k-rail

Workload policy enforcement tool for Kubernetes

kube-forensics

Allows a cluster administrator to dump the current state of a running pod and all its containers so that security professionals can perform off-line forensic analysis

Open-source tool that runs a set of tests ("hunters") for security issues in Kubernetes clusters from either outside ("attacker's view") or inside a cluster

kubernetes-event-exporter

Allows exporting the often missed Kubernetes events to various outputs so that they can be used for observability or alerting purposes

Solution to connect and configure applications across dynamic, distributed infrastructure and, with Consul Connect, enabling secure service-to-service communication with automatic TLS encryption and identity-based authorization

Open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data

GPG Sync

Centralize and automate OpenPGP public key distribution, revocation, and updates amongst all members of an organization or team

Novel experimental genetic algorithm that evolves packet-manipulation-based censorship evasion strategies against nation-state level censors to increase availability of otherwise blocked content

Free, open source software enabling anyone to easily set up and maintain a secure whistleblowing platform

Open source whistleblower submission system that media organizations and NGOs can install to securely accept documents from anonymous sources

Allows engineers and security professionals to unify access for SSH servers, Kubernetes clusters, web applications, and databases across all environments

Bane

Custom and better AppArmor profile generator for Docker containers

BlackBox

Safely store secrets in Git/Mercurial/Subversion by encrypting them "at rest" using GnuPG

Static analysis for Terraform (infrastructure as code) to help detect CIS policy violations and prevent cloud security misconfiguration

Open source software for transparently securing the network connectivity between application services deployed using Linux container management platforms like Docker and Kubernetes

Clair

Static analysis tool to probe for vulnerabilities introduced via application container (e.g., Docker) images

Discover vulnerabilities across a codebase by performing queries against code as though it were data

Application vulnerability management tool built for DevOps and continuous security integration

Pentest applications during routine continuous integration build pipelines

Git Secrets

Prevents you from committing passwords and other sensitive information to a git repository

SOPS

Editor of encrypted files that supports YAML, JSON, ENV, INI and binary formats and encrypts with AWS KMS, GCP KMS, Azure Key Vault, and PGP

Finds and fixes vulnerabilities and license violations in open source dependencies and container images

Continuous inspection tool that provides detailed reports during automated testing and alerts on newly introduced security vulnerabilities

Trivy

Simple and comprehensive vulnerability scanner for containers and other artifacts, suitable for use in continuous integration pipelines

Tool for securely accessing secrets such as API keys, passwords, or certificates through a unified interface

Transparent file encryption in git; files which you choose to protect are encrypted when committed, and decrypted when checked out

helm-secrets

Helm plugin that helps manage secrets with Git workflow and stores them anywhere, backed by SOPS

Static code analyzer for Infrastructure as Code tools that helps detect compliance and security violations to mitigate risk before provisioning cloud native resources

Static analysis security scanner for your Terraform code designed to run locally and in CI pipelines

Tools for binary instrumentation, analysis, and modification, useful for binary patching

Runtime code manipulation system that supports code transformations on any part of a program, while it executes, implemented as a process-level virtual machine

Binary recompiler and instrumentation framework that can fully disassemble, transform, and regenerate ordinary Linux binaries designed for binary hardening and security research

Instrumentation framework for building dynamic analysis tools

Language for describing security and compliance rules, which become automated tests that can be run against IT infrastructures to discover and report on non-compliance

Both a library and a command line tool ( ) used to evaluate a system against SCAP baseline profiles to report on the security posture of the scanned system(s)

Dependency Combobulator

Open source, modular and extensible framework to detect and prevent dependency confusion leakage and potential attacks

Confusion checker

Script to check if you have artifacts containing the same name between your repositories

snync

Prevent and detect if you're vulnerable to dependency confusion supply chain security attacks

Coverage-guided Python fuzzing engine based off of libFuzzer that supports fuzzing of Python code but also native extensions written for CPython

Free service that evaluates fuzzers on a wide variety of real-world benchmarks, at Google scale

OneFuzz

Self-hosted Fuzzing-as-a-Service (FaaS) platform

AllStar

GitHub App installed on organizations or repositories to set and enforce security policies

Utility to help you write tests against structured configuration data

Unified toolset and framework for policy across the cloud native stack

Checks infrastructure as code templates (Terraform, CloudFormation, K8s manifests) for AWS, Azure, Google Cloud, and Kubernetes security and compliance using Open Policy Agent/Rego

Tang

Server for binding data to network presence; provides data to clients only when they are on a certain (secured) network

Open artifact metadata API to audit and govern your software supply chain

Helm GPG (GnuPG) Plugin

Chart signing and verification with GnuPG for Helm

Notary

Aims to make the internet more secure by making it easy for people to publish and verify content

Framework to secure the integrity of software supply chains

CanaryTokens

Self-hostable honeytoken generator and reporting dashboard; demo version available at

Sustainable all-in-one honeypot and honeytoken orchestrator for under-resourced blue teams

Manuka

Open-sources intelligence (OSINT) honeypot that monitors reconnaissance attempts by threat actors and generates actionable intelligence for Blue Teamers

Endlessh

SSH tarpit that slowly sends an endless banner

Program that answers ARP requests for unused IP space, creating the appearance of fake machines that answer further requests very slowly in order to slow down scanners, worms, etcetera

Artillery

Combination honeypot, filesystem monitor, and alerting system designed to protect Linux and Windows operating systems

Free tool for Windows systems aimed to alert you to the presence of malware that may be communicating over the network

Intrusion prevention software framework that protects computer servers from brute-force attacks

Fully open source and free, feature-rich, Host-based Instrusion Detection System (HIDS)

POSIX-compliant Bash script that scans a host for various signs of malware

Plausible deniability for multiple hidden filesystems on Linux

USB Keystroke Injection Protection

Daemon for blocking USB keystroke injection devices on Linux systems

Locally checks for signs of a rootkit on GNU/Linux systems

Bubblewrap

Sandboxing tool for use by unprivileged Linux users capable of restricting access to parts of the operating system or user data

Take potentially dangerous PDFs, office documents, or images and convert them to a safe PDF

SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf

Central authentication and authorization for Web and mobile applications with a Free and Open Source Software cloud-native community distribution

LogonTracer

Investigate malicious Windows logon by visualizing and analyzing Windows event log

Advanced memory forensics framework

aws_ir

Automates your incident response with zero security preparedness assumptions

CIRTKit

Scriptable Digital Forensics and Incident Response (DFIR) toolkit built on Viper

Fast Incident Response (FIR)

Cybersecurity incident management platform allowing for easy creation, tracking, and reporting of cybersecurity incidents

Advanced forensic and incident response framework

Scalable, free Security Incident Response Platform designed to make life easier for SOCs, CSIRTs, and CERTs, featuring tight integration with MISP

threat_note

Web application built by Defense Point Security to allow security researchers the ability to add and retrieve indicators related to their research

AutoMacTC

Modular, automated forensic triage collection framework designed to access various forensic artifacts on macOS, parse them, and present them in formats viable for analysis

OSXAuditor

Free macOS computer forensics tool

OSXCollector

Forensic evidence collection & analysis toolkit for macOS

ir-rescue

Windows Batch script and a Unix Bash script to comprehensively collect host forensic data during incident response

Margarita Shotgun

Command line utility (that works with or without Amazon EC2 instances) to parallelize remote memory acquisition

Untitled Goose Tool

Assists incident response teams by exporting cloud artifacts from Azure/AzureAD/M365 environments in order to run a full investigation despite lacking in logs ingested by a SIEM

Gatekeeper

First open source Distributed Denial of Service (DDoS) protection system

Protects ports via Single Packet Authorization in your firewall

ssh-audit

Simple tool that makes quick recommendations for improving an SSH server's security posture

Hardened GNU/Linux based router and firewall distribution forked from IPCop

Hardened FreeBSD based firewall and routing platform forked from pfSense

FreeBSD firewall and router distribution forked from m0n0wall

Italian GNU/Linux live distribution that pre-packages numerous digital forensics and evidence collection tools

Free and open source GNU/Linux distribution for intrusion detection, enterprise security monitoring, and log management

Desktop environment built atop the Xen hypervisor project that runs each end-user program in its own virtual machine intended to provide strict security controls to constrain the reach of any successful malware exploit

CertSpotter

Certificate Transparency log monitor from SSLMate that alerts you when a SSL/TLS certificate is issued for one of your domains

Powerful, open-source phishing framework that makes it easy to test your organization's exposure to phishing

King Phisher

Tool for testing and promoting user awareness by simulating real world phishing attacks

NotifySecurity

Outlook add-in used to help your users to report suspicious e-mails to security teams

Phishing Intelligence Engine (PIE)

Framework that will assist with the detection and response to phishing attacks

Swordphish

Platform allowing to create and manage (fake) phishing campaigns intended to train people in identifying suspicious mails

mailspoof

Scans SPF and DMARC records for issues that could allow email spoofing

phishing_catcher

Configurable script to watch for issuances of suspicious TLS certificates by domain name in the Certificate Transparency Log (CTL) using the service

APTSimulator

Toolset to make a system look as if it was the victim of an APT attack

Library of simple, automatable tests to execute for testing security controls

Fills a test (non-production) Windows Domain with data that enables security analysts and engineers to practice using tools to gain an understanding and prescribe to securing Active Directory

Scalable, automated, and extensible adversary emulation platform developed by MITRE

Replay DNS traffic from packet capture files and send it to a specified server, such as for simulating DDoS attacks on the DNS and measuring normal DNS querying

DumpsterFire

Modular, menu-driven, cross-platform tool for building repeatable, time-delayed, distributed security events for Blue Team drills and sensor/alert mapping

Open-source breach and attack simulation (BAS) platform that helps you validate existing controls and identify how attackers might exploit your current network security gaps

Metta

Automated information security preparedness tool to do adversarial simulation

Network Flight Simulator (flightsim)

Utility to generate malicious network traffic and help security teams evaluate security controls and audit their network visibility

RedHunt OS

Ubuntu-based Open Virtual Appliance ( ) preconfigured with several threat emulation tools as well as a defender's toolkit

Emulate offensive attack techniques in a granular and self-contained manner against a cloud environment; think "Atomic Red Team™ for the cloud."

Suite of free Open Source utilities for editing and replaying previously captured network traffic originally designed to replay malicious traffic patterns to Intrusion Detection/Prevention Systems

Analytic tool to assist both Red and Blue teams with visualizing and reporting command and control activities, replay and demonstrate attack paths, and more clearly communicate remediation recommendations to stakeholders

Bunkerized-nginx

Docker image of an NginX configuration and scripts implementing many defensive techniques for Web sites

Continuously enumerates and monitors an organization’s public-facing attack surface in order to discover assets and flag potential security flaws

Starbase

Collects assets and relationships from services and systems into an intuitive graph view to offer graph-based security analysis for everyone

Open source, multiplatform agent-based security monitoring based on a fork of OSSEC HIDS

Arkime

Augments your current security infrastructure to store and index network traffic in standard PCAP format, providing fast, indexed access

ChopShop

Framework to aid analysts in the creation and execution of pynids-based decoders and detectors of APT tradecraft

Maltrail

Malicious network traffic detection system

Helps manage network IDS at scale by visualizing Suricata, Zeek, and Moloch life cycles

Real Intelligence Threat Analysis (RITA)

Open source framework for network traffic analysis that ingests Zeek logs and detects beaconing, DNS tunneling, and more

Respounder

Detects the presence of the Responder LLMNR/NBT-NS/MDNS poisoner on a network

Widely-deployed, Free Software IPS capable of real-time packet analysis, traffic logging, and custom rule-based triggers

SpoofSpotter

Catch spoofed NetBIOS Name Service (NBNS) responses and alert to an email or log file

Stenographer

Full-packet-capture utility for buffering packets to disk for intrusion detection and incident response purposes

Free, cross-platform, IDS/IPS with on- and off-line analysis modes and deep packet inspection capabilities that is also scriptable with Lua

Tsunami

General purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence

VAST

Free and open-source network telemetry engine for data-driven security investigations

Free and open-source packet analyzer useful for network troubleshooting or forensic netflow analysis

Powerful network analysis framework focused on security monitoring, formerly known as Bro

Free and fast GNU/Linux networking toolkit with numerous utilities such as a connection tracking tool ( ), traffic generator ( ), and autonomous system (AS) trace route utility ( )

Single-server open source SIEM platform featuring asset discovery, asset inventorying, behavioral monitoring, and event correlation, driven by AlienVault Open Threat Exchange (OTX)

Open source, agentless SIEM with a long history and several commercial variants featuring security event collection, normalization, and alerting from arbitrary log input and numerous popular monitoring tools

Modular redesign of Nagios with pluggable user interfaces and an expanded set of data connectors, collectors, and reporting tools

Open source load testing tool in which you can define user behaviour with Python code and swarm your system with millions of simultaneous users

Popular network and service monitoring solution and reporting platform

Free and feature-rich networking monitoring system supporting multiple configurations, a variety of alerting mechanisms (email, XMPP, SMS), and numerous data collection methods (SNMP, HTTP, JDBC, etc)

osquery

Operating system instrumentation framework for macOS, Windows, and Linux, exposing the OS as a high-performance relational database that can be queried with a SQL-like syntax

Mature, enterprise-level platform to monitor large-scale IT environments

CimSweep

Suite of CIM/WMI-based tools enabling remote incident response and hunting operations across all versions of Windows

DeepBlueCLI

PowerShell module for hunt teaming via Windows Event logs

GRR Rapid Response

Incident response framework focused on remote live forensics consisting of a Python agent installed on assets and Python-based server infrastructure enabling analysts to quickly triage attacks and perform analysis remotely

Hunting ELK (HELK)

All-in-one Free Software threat hunting stack based on Elasticsearch, Logstash, Kafka, and Kibana with various built-in integrations for analytics including Jupyter Notebook

Free and open logging and protective monitoring solution serving

MozDef

Automate the security incident handling process and facilitate the real-time activities of incident handlers

PSHunt

PowerShell module designed to scan remote endpoints for indicators of compromise or survey them for more comprehensive information related to state of those systems

PSRecon

PSHunt-like tool for analyzing remote Windows systems that also produces a self-contained HTML report of its findings

PowerForensics

All in one PowerShell-based platform to perform live hard disk forensic analysis

Freeware endpoint auditing and analysis tool that provides host-based investigative capabilities, offered by FireEye, Inc

rastrea2r

Multi-platform tool for triaging suspected IOCs on many endpoints simultaneously and that integrates with antivirus consoles

Free and public crowdsourced vulnerability assessment platform to help prioritize high-risk patch application and combat vulnerability fatigue

DATA

Credential phish analysis and automation tool that can accept suspected phishing URLs directly or trigger on observed network traffic containing such a URL

Forager

Multi-threaded threat intelligence gathering built with Python3 featuring simple text-based configuration and data storage for ease of use and data portability

GRASSMARLIN

Provides IP network situational awareness of industrial control systems (ICS) and Supervisory Control and Data Acquisition (SCADA) by passively mapping, accounting for, and reporting on your ICS/SCADA network topology and endpoints

MLSec Combine

Gather and combine multiple threat intelligence feed sources into one customizable, standardized CSV-based format

Open source software solution for collecting, storing, distributing and sharing cyber security indicators

Vulnerability database and triage infrastructure for open source projects aimed at helping both open source maintainers and consumers of open source

Sigma

Generic signature format for SIEM systems, offering an open signature format that allows you to describe relevant log events in a straightforward manner

Threat Bus

Threat intelligence dissemination layer to connect security tools through a distributed publish/subscribe message broker

ThreatIngestor

Extendable tool to extract and aggregate IOCs from threat feeds including Twitter, RSS feeds, or other sources

Identifies defensive gaps in security posture by leveraging Mitre's ATT&CK framework

Viper

Binary analysis and management framework enabling easy organization of malware and exploit samples

YARA

Tool aimed at (but not limited to) helping malware researchers to identify and classify malware samples, described as "the pattern matching swiss army knife" for file patterns and signatures

HASSH

Network fingerprinting standard which can be used to identify specific client and server SSH implementations

Extracts SSL/TLS handshake settings for fingerprinting and communicating about a given TLS implementation

ESET's Malware IoCs

Indicators of Compromises (IOCs) derived from ESET's various investigations

FireEye's Red Team Tool Countermeasures

Collection of Snort and YARA rules to detect attacks carried out with FireEye's own Red Team tools, first released after FireEye disclosed a breach in December 2020

FireEye's Sunburst Countermeasures

Collection of IoC in various languages for detecting backdoored SolarWinds Orion NMS activities and related vulnerabilities

YARA Rules

Project covering the need for IT security researchers to have a single repository where different Yara signatures are compiled, classified and kept as up to date as possible

Provides load-balancing while also making Onion services more resilient and reliable by eliminating single points-of-failure

Vanguards

Version 3 Onion service guard discovery attack mitigation script (intended for eventual inclusion in Tor core)

Free tool to automate the issuance and renewal of TLS certificates from the with plugins that configure various Web and e-mail server software

MITMEngine

Golang library for server-side detection of TLS interception events

Censorship circumvention and anonymizing overlay network providing distributed, cryptographically verified name services ( domains) to enhance publisher privacy and service availability

Self-hosted VPN server built on WireGuard that supports MFA and SSO

Headscale

Open source, self-hosted implementation of the Tailscale control server

IPsec VPN Server Auto Setup Scripts

Scripts to build your own IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2

Innernet

Free Software private network system that uses WireGuard under the hood, made to be self-hosted

Nebula

Completely open source and self-hosted, scalable overlay networking tool with a focus on performance, simplicity, and security, inspired by tinc

Longstanding Free Software traditional SSL/TLS-based virtual private network

Open source initiative focused on bringing Zero Trust to any application via an overlay network, tunelling applications, and numerous SDKs

Managed freemium mesh VPN service built on top of WireGuard

Extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography

Free Software mesh VPN implemented entirely in userspace that supports expandable network space, bridged ethernet segments, and more

Monitors common persistence locations and alerts whenever a persistent component is added, which helps to detect and prevent malware installation

Free macOS firewall

Santa

Keep track of binaries that are naughty or nice in an allow/deny-listing system for macOS

Stronghold

Easily configure macOS security settings from the terminal

macOS Fortress

Automated configuration of kernel-level, OS-level, and client-level security features including privatizing proxying and anti-virus scanning for macOS

CobaltStrikeScan

Scan files or process memory for Cobalt Strike beacons and parse their configuration

HardenTools

Utility that disables a number of risky Windows features

NotRuler

Detect both client-side rules and VBScript enabled forms used by the attack tool when attempting to compromise a Microsoft Exchange server

Free and open source general purpose Windows application sandboxing utility

Audit a Windows host's root certificate store against Microsoft's

Sticky Keys Slayer

Establishes a Windows RDP session from a list of hostnames and scans for accessibility tools backdoors, alerting if one is discovered

Windows Secure Host Baseline

Group Policy objects, compliance checks, and configuration tools that provide an automated and flexible approach for securely deploying and maintaining the latest releases of Windows 10

WMI Monitor

Log newly created WMI consumers and processes to the Windows Application event log

Active Directory Control Paths

Visualize and graph Active Directory permission configs ("control relations") to audit questions such as "Who can read the CEO's email?" and similar

Active Directory vulnerability detection and reporting tool

PlumHound

More effectively use BloodHoundAD in continual security life-cycles by utilizing its pathfinding engine to identify Active Directory security vulnerabilities