Best Malware Signatures Overview Alternatives & Competitors in 2026

YARA Public YARA rules

A community-maintained repository of YARA rules for detecting and classifying malware based on patterns and characteristics.

GCTI Open Source Detection Signatures

GCTI's open-source detection signatures for malware and threat detection

Red Canary Threat Intelligence

Threat intelligence service providing threat profiles and analytics for MDR

Cythereal MAGIC EWS

Analyzes stopped attacks to auto-generate YARA rules and IoCs against APTs.

Sublime Security Sublime Rules

Open-source detection rules for email attacks like BEC, phishing, and malware

Factual Rules Generator

An open source tool that generates YARA rules from installed software on running operating systems for efficient software identification in digital forensic investigations.

CrowdFMS

CrowdFMS is a CrowdStrike framework that automates malware sample collection from VirusTotal using YARA rule-based notifications and the Private API system.

CDI_yara

A collection of YARA rules for public use, built from intelligence profiles and file work.

Canadian Centre for Cyber Security CCCS YARA Specification

Define and validate YARA rule metadata with CCCS YARA Specification.

lw-yara

A Yara ruleset designed to detect PHP shells and other webserver malware for malware analysis and threat detection.

yara-rust

Bindings for the Yara library from VirusTotal with support for Yara v4.2 and various features like rule compilation and scanning.

ThreatKB

Knowledge base workflow management dashboard for YARA rules and C2 artifacts.

KLara

KLara is a distributed system written in Python that helps Threat Intelligence researchers hunt for new malware using Yara.

Signature-Base

YARA signature and IOC database for LOKI and THOR Lite scanners with high quality rules and IOCs.

The Threat Hunter Playbook

A community-driven open source project providing interactive notebooks with detection logic, adversary tradecraft, and resources organized according to MITRE ATT&CK framework for threat hunting and detection development.

Project Icewater

A project providing open-source YARA rules for malware and malicious file detection

ocaml-yara

An OCaml Ctypes wrapper for the YARA matching engine that enables malware identification capabilities in OCaml applications.

Yara Rule Generator

A tool for quick and effective Yara rule creation to isolate malware families and malicious objects.

Yara Rules Project

A repository of Yara signatures under the GNU-GPLv2 license for the cybersecurity community.

BinaryAlert

BinaryAlert is an open-source serverless AWS pipeline that automatically scans files uploaded to S3 buckets with YARA rules and generates immediate alerts when malware is detected.

Private Yara Rules Repository

A repository of freely usable Yara rules for detection systems, with automated error detection workflows.

YARA Rules Collection

Collection of YARA signatures from recent malware research.

Detection Content Repository

Repository for detection content with various types of rules and payloads.

Elastic Security YARA Rules

Signature-based YARA rules for detecting and preventing threats within Linux, Windows, and macOS systems.

Malware Indicators of Compromise

Provides indicators of compromise (IOCs) to combat malware with Yara and Snort rules.

FireEye Red Team Tool Countermeasures

A set of rules for detecting threats in various formats, including Snort, Yara, ClamAV, and HXIOC.

YARA-Signatures

A collection of public YARA signatures for various malware families.

Malpedia's YARA-Signator Rules

Repository of automatically generated YARA rules from Malpedia's YARA-Signator with detailed statistics.

VT_RuleMGR.py

Tool for managing Yara rules on VirusTotal

yara-rules

A repository of YARA rules for identifying and classifying malware through pattern-based detection.

Google Security Operations

Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams

Binary Defense Threat Hunting

A managed security service that uses hypothesis-based threat hunting to proactively discover hidden threats, create new detection rules, and improve overall security posture.

detections.ai Detections

Community platform for sharing and creating detection rules with AI

Axur AI-Powered Cyber Threat Intelligence

AI-powered cyber threat intelligence platform with real-time monitoring

SOC Prime Threat Detection Marketplace

Threat detection marketplace with Sigma rules for SIEM and shift-left detection

Defender Lens

Turn Any Threat into a Detection Rule

aDolus FACT - Malware Detection

FACT detects malware & ransomware in packages using AV scans & YARA rules.

Cythereal MAGIC™

Malware hunting platform that auto-generates YARA rules from shared code analysis.

Sesame IT HOSHI

Curated attack use case platform that feeds threat scenarios into Jizô AI.

PhishingKit-Yara-Rules

A StalkPhish Project YARA repository for Phishing Kits zip files.

Sigma Query

Searchable repository of Sigma detection rules for threat hunting and SIEM

OCyara

OCyara performs OCR on images and PDF files to extract text content and scan it against Yara rules for malware detection.

Yara Pattern Scanner

A Windows context menu integration tool that scans files and folders for malware patterns, crypto signatures, and malicious documents using Yara rules and PEID signatures.

Stamus Clear NDR Community

Open source Suricata-based NDR system with threat detection and analysis

InQuest Labs

The Trystero Project is a threat intelligence platform that measures email security efficacy and provides various tools and resources, while VMware Carbon Black offers endpoint protection and workload security solutions.

THOR Lite

A free, fast, and flexible multi-platform IOC and YARA scanner for Windows, Linux, and macOS.

Yara Manager

A program to manage yara ruleset in a database with support for different databases and configuration options.

Yabin

Yabin creates Yara signatures from malware to find similar samples.