Fortra Cobalt Strike vs UPX: side-by-side comparison (2026)
Fortra Cobalt Strike is a commercial red-team & adversary emulation solution by Fortra. UPX is a free red-team & adversary emulation solution. Features, integrations, deployment and the company behind each one, side by side.
Threat emulation product for adversary simulations and red team operations
UPX is a high-performance executable packer for various executable formats.
Side-by-side comparison
Feature
Fortra Cobalt Strike
UPX
Pricing model
Commercial
Free
Category
Red-Team & Adversary Emulation
Red-Team & Adversary Emulation
Deployment and fit
Deployment type
On-Premises
On-Premises
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
Fortra
–
Use cases and capabilities
Red Team
Yes
No
Post Exploitation
Yes
No
C2
Yes
No
Lateral Movement
Yes
No
Binary Analysis
No
Yes
Core features
- Post-exploitation payload (Beacon) with PowerShell execution, keylogging, screenshots, and file downloads
- Malleable Command and Control (C2) language for network indicator customization
- Browser pivoting for hijacking authenticated web sessions
- System Profiler for target fingerprinting and reconnaissance
- Shared team server for collaborative red team operations
- Asynchronous low and slow communication for stealth
- Multiple report types including activity, hosts, IOCs, sessions, and TTPs
- Extensible framework supporting custom scripts and extensions
No features listed
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