Best Mastiff Alternatives & Competitors in 2026

ReversingLabs Spectra Analyze

Malware analysis platform for SOC teams with binary analysis and threat detection

strings

A command-line utility for extracting human-readable text from binary files.

ThreatCheck

A comprehensive malware-analysis tool that utilizes external AV scanners to identify malicious elements in binary files.

readpe

A command-line tool for analyzing and extracting detailed information from Windows Portable Executable (PE) files.

chkrootkit

A tool to locally check for signs of a rootkit with various checks and tests.

PEview

A PE/COFF file viewer that displays header, section, directory, import table, export table, and resource information within various file types.

CFR

Java decompiler for modern Java features up to Java 14.

Explorer Suite

A freeware suite of tools for PE editing and process viewing, including CFF Explorer and Resource Editor.

Threat.Zone

Holistic malware analysis platform with interactive sandbox, static analyzer, and emulation capabilities.

Cyber Triage Malware Forensics Tool

Malware scanning tool for DFIR using 40+ engines from ReversingLabs

FireEye Detection On Demand

RESTful API for file/URL malware analysis via FireEye virtual execution engine

Nightwing DejaVM

Whole-system emulation environment for software dev, debugging, testing & security

Joe Sandbox DEC

Plugin that decompiles malware PE files into readable C code using hybrid analysis.

Joe Security Joe Reverser

Agentic AI tool for automated malware reverse engineering & phishing analysis.

Stairwell Intelligent Analysis

AI-powered file analysis platform delivering malware verdicts in natural language.

Unknown Cyber Magic™

AI-powered malware analysis & threat research platform with chat interface.

Zenyard RE Agent

AI agent for in-depth binary analysis and reverse engineering assistance.

RevEng.AI

AI-powered binary analysis platform for reverse engineering & malware analysis.

CodeHunter Labs

Research division powering CodeHunter's pre-execution malware detection engine.

de4dot

An open source .NET deobfuscator and unpacker that restores packed and obfuscated assemblies by reversing various obfuscation techniques.

x64dbg

An open-source binary debugger for Windows with a comprehensive plugin system for malware analysis and reverse engineering.

Radare2

A powerful reverse engineering framework

Boomerang Decompiler

An open source machine code decompiler that converts binary executables into readable C source code across multiple architectures and file formats.

GrammaTech DDisasm

Fast disassembler producing reassemblable assembly code using Datalog

Shellcode2PE

A Python script that converts shellcode into a PE32 or PE32+ file.

Hybrid-Analysis

Falcon Sandbox is a malware analysis framework that provides in-depth static and dynamic analysis of files, offering hybrid analysis, behavior indicators, and integrations with various security tools.

CAPA

CAPA is a static analysis tool that detects and reports capabilities in executable files across multiple formats, mapping findings to MITRE ATT&CK tactics and techniques.

Viper

A binary analysis and management framework for organizing and analyzing malware and exploit samples, and creating plugins.

floss

A tool that extracts and deobfuscates strings from malware binaries using advanced static analysis techniques.

manalyze

A static analysis tool for PE files that identifies potential malicious indicators through compiler detection, packing analysis, signature matching, and suspicious string identification.

Metadefender Cloud

Advanced threat prevention and detection platform leveraging Deep CDR, Multiscanning, and Sandbox technologies to protect against data breaches and ransom attacks.

Joe Sandbox (Community)

Joe Sandbox Community provides automated cloud-based malware analysis across multiple OS platforms.

Valkyrie Comodo

Valkyrie is a sophisticated file verdict system that enhances malware detection through behavioral analysis and extensive file feature examination.

edb

edb is a powerful debugger for Linux binaries, enhancing reverse engineering efforts with a user-friendly interface and extensible plugins.

dnSpy

A .NET assembly debugger and editor that enables reverse engineering and dynamic analysis of compiled .NET applications without source code access.

Polichombr

A collaborative malware analysis framework with various features for automated analysis tasks.

PinCTF

PinCTF is a Python wrapper tool that uses Intel's Pin framework to instrument binaries and count instructions for reverse engineering analysis.

RABCDAsm

RABCDAsm is a collection of utilities for ActionScript 3 assembly/disassembly and SWF file manipulation.

TRISIS / TRITON / HatMan Malware Repository

Repository of TRISIS/TRITON/HatMan malware samples and decompiled sources targeting ICS Triconex SIS controllers.

smali/baksmali

Assembler/disassembler for the dex format used by Dalvik, Android's Java VM implementation.

Triton

Dynamic binary analysis library with various analysis and emulation capabilities.

Ghidra Software Reverse Engineering Framework

Ghidra is an NSA-developed software reverse engineering framework that provides disassembly, decompilation, and analysis tools for examining compiled code across multiple platforms and processor architectures.

RTFSig

A tool for signature analysis of RTF files to detect potentially unique parts and malicious documents.

Krakatau

A Java bytecode assembler and disassembler toolkit that converts classfiles to human-readable format and provides decompilation capabilities for reverse engineering Java applications.

dynStruct

dynStruct is a tool for monitoring memory accesses of an ELF binary and recovering structures of the original code.

angr

angr is a Python-based binary analysis framework that provides disassembly, symbolic execution, and program analysis capabilities for cross-platform binary examination.

Capstone Engine

A disassembly framework with support for multiple hardware architectures and clean API.

RetDec

RetDec is an LLVM-based decompiler that converts machine code from various architectures and file formats back into readable C-like source code for reverse engineering and malware analysis.