Best FireEye Mandiant SunBurst Countermeasures Alternatives & Competitors in 2026
Top picks: Managed Agentic Threat Hunting, Cythereal MAGIC™, Stairwell — plus 45 more compared.
Security OperationsTop picks: Managed Agentic Threat Hunting, Cythereal MAGIC™, Stairwell — plus 45 more compared.
Security OperationsFireEye Mandiant SunBurst Countermeasures is a free Threat Hunting tool developed by Google. Security professionals most commonly compare it with Managed Agentic Threat Hunting, Cythereal MAGIC™, Stairwell, Stairwell Variant Discovery, and Yara-Repo. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to FireEye Mandiant SunBurst Countermeasures, including their key features and shared capabilities.
Managed Agentic Threat Hunting Service (IOC sweeps and hypothesis based hunting)
Malware hunting platform that auto-generates YARA rules from shared code analysis.
File analysis & threat intel search engine for SOC and IR teams.
Expands a single malware hash into full family visibility via structural analysis.
Collects Yara rules from over 150 free resources, a free alternative to Valhalla.
LOKI is a simple IOC and YARA Scanner for Indicators of Compromise Detection.
YARA signature and IOC database for LOKI and THOR Lite scanners with high quality rules and IOCs.
A repository of Yara signatures under the GNU-GPLv2 license for the cybersecurity community.
Managed Agentic Threat Hunting Service (IOC sweeps and hypothesis based hunting)
Malware hunting platform that auto-generates YARA rules from shared code analysis.
Expands a single malware hash into full family visibility via structural analysis.
Collects Yara rules from over 150 free resources, a free alternative to Valhalla.
YARA signature and IOC database for LOKI and THOR Lite scanners with high quality rules and IOCs.
A repository of Yara signatures under the GNU-GPLv2 license for the cybersecurity community.
Repository of YARA rules for Trellix ATR blogposts and investigations
A repository of freely usable Yara rules for detection systems, with automated error detection workflows.
A set of interrelated detection rules for improving detection and hunting visibility and context
A set of rules for detecting threats in various formats, including Snort, Yara, ClamAV, and HXIOC.
A curated collection of Sigma & Yara rules and Indicators of Compromise (IOCs) for threat detection and malware identification.
A multi-platform open source tool for triaging suspect systems and hunting for Indicators of Compromise (IOCs) across thousands of endpoints.
Repository of scripts, signatures, and IOCs related to various malware analysis topics.
Real-time threat hunting using behavioral analytics & Continuous Attack Graphs.
Proactive threat hunting service to find hidden attackers on client networks.
On-premise AI file repository with continuous malware analysis and retrohunting.
Managed service with human analysts hunting threats across client networks.
Federated SecOps platform for threat hunting across SIEMs, EDRs & data lakes.
Blazingly fast Yara queries for malware analysts with an analyst-friendly web GUI.
A collection of YARA rules for public use, built from intelligence profiles and file work.
Define and validate YARA rule metadata with CCCS YARA Specification.
A tool that generates YARA rules to search for specific terms within base64-encoded malware samples by enumerating all possible encoding variations.
A free web-based Yara debugger for security analysts to write hunting or detection rules with ease.
Automatically curate open-source Yara rules and run scans with YAYA.
A community-driven repository of pre-built security analytics queries and rules for monitoring and detecting threats in Google Cloud environments across various log sources and activity types.
Bindings for the Yara library from VirusTotal with support for Yara v4.2 and various features like rule compilation and scanning.
KLara is a distributed system written in Python that helps Threat Intelligence researchers hunt for new malware using Yara.
Collection of Yara rules for file identification and classification
A lightweight bash script IOC scanner for Linux/Unix/macOS systems that detects malicious indicators through hash matching, filename analysis, string searches, and C2 server identification without requiring installation.
yarAnalyzer creates statistics on a yara rule set and files in a sample directory, generating tables and CSV files, including an inventory feature.
A generator for YARA rules that creates rules from strings found in malware files while removing strings from goodware files.
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.
Management portal for LoKi scanner with centralized database for scanning activities.
A strings statistics calculator for YARA rules to aid malware research.
A parsing tool for Yara Scan Service's JSON output file to help maximize benefits and automate parsing of Yara Scan Service results.
A project providing open-source YARA rules for malware and malicious file detection
A tool for quick and effective Yara rule creation to isolate malware families and malicious objects.
A community-maintained repository of YARA rules for detecting and classifying malware based on patterns and characteristics.
A YARA interactive debugger for the YARA language written in Rust, providing features like function calls, constant evaluation, and string matching.
A tool that generates Yara rules for strings and their XOR encoded versions, as well as base64-encoded variations with different padding possibilities.
Common questions security professionals ask when evaluating alternatives and competitors to FireEye Mandiant SunBurst Countermeasures.
The most popular alternatives to FireEye Mandiant SunBurst Countermeasures include Managed Agentic Threat Hunting, Cythereal MAGIC™, Stairwell, Stairwell Variant Discovery, and Yara-Repo. These Threat Hunting tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
