Best Yara_fn IDAPython script Alternatives & Competitors in 2026

AutoYara

AutoYara is a Java tool that automatically generates YARA rules from malware samples using biclustering algorithms to help analysts create detection rules for malware families.

YARA-Signator

Automatic YARA rule generation for malware repositories.

Binsequencer

Binsequencer automatically generates YARA detection rules by analyzing collections of similar malware samples and identifying common x86 instruction sequences across the corpus.

Cythereal MAGIC™

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

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.

base64_substring

A tool that generates YARA rules to search for specific terms within base64-encoded malware samples by enumerating all possible encoding variations.

Fnord

Fnord is a pattern extraction tool that analyzes obfuscated code using sliding window techniques to identify frequent byte sequences and generate experimental YARA rules for malware analysis.

Yara Rule Generator

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

YARI

A YARA interactive debugger for the YARA language written in Rust, providing features like function calls, constant evaluation, and string matching.

mkYARA

Automate the process of writing YARA rules based on executable code within malware.

java2yara

A minimal library to generate YARA rules from JAVA with maven support.

VxSig

VxSig is a Google-developed tool that automatically generates antivirus byte signatures from similar binaries for Yara and ClamAV detection engines.

YarG for Yara

IDAPython plugin for generating Yara rules/patterns from x86/x86-64 code through parameterization.

Sophos AI YaraML Rules Repository

A tool that generates Yara rules from training data using logistic regression and random forest classifiers.

YaYaGen

Automatic YARA rule generator based on Koodous reports with limited false positives.

YaraGen Plugin for x64dbg

Generate Yara rules from function basic blocks in x64dbg.

yaml2yara

A tool for creating custom detection rules from YAML input

findcrypt-yara

An IDA Pro plugin that uses YARA rules to automatically detect cryptographic constants and patterns in binary files during reverse engineering analysis.

Halogen

Halogen automates the creation of YARA rules based on image files embedded in malicious documents to assist in threat detection and identification.

Google Security Operations

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

detections.ai Detections

Community platform for sharing and creating detection rules with AI

SOC Prime Uncoder AI

IDE for detection engineering with cross-platform translation for 65+ SIEM/EDR/XDR

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 EWS

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

PhishingKit-Yara-Rules

A StalkPhish Project YARA repository for Phishing Kits zip files.

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.

Sublime Security Sublime Rules

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

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.

yextend

yextend extends Yara's functionality by automatically handling archived and compressed content inflation, enabling pattern matching on files buried within multiple layers of archives.

YaraParser

Python 3 tool for parsing Yara rules with ongoing development.

Mquery

Blazingly fast Yara queries for malware analysts with an analyst-friendly web GUI.

Yara Validator

A tool for validating and repairing Yara rules

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.

Yara4Pentesters

A collection of YARA rules designed to identify files containing sensitive information such as usernames, passwords, and credit card numbers for penetration testing and forensic analysis.

YaraDbg

A free web-based Yara debugger for security analysts to write hunting or detection rules with ease.

YAYA - Yet Another Yara Automaton

Automatically curate open-source Yara rules and run scans with YAYA.

File Scanning Framework (FSF) v1.1

FSF is a modular, recursive file scanning solution that enables analysts to extend the utility of Yara signatures and define actionable intelligence within a file.

Yara-Repo

Collects Yara rules from over 150 free resources, a free alternative to Valhalla.

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.

InQuest YARA Rules

A collection of YARA rules for research and hunting purposes.