Quick facts
UPX is a Red-Team & Adversary Emulation product. Pricing is free.
- Category
- Offensive Security
- Subcategory
- Red-Team & Adversary Emulation · What is Red-Team & Adversary Emulation?
- Pricing model
- Free
- Alternatives
- Fortra Cobalt Strike, Charlotte, PLCinject
- Website
- upx.sourceforge.net
- Data verified
- Sep 2026
UPX Description
UPX is an advanced executable file compressor that typically reduces the file size of programs and DLLs by around 50%-70%, making them self-contained and running exactly as before. It supports various executable formats including Windows, macOS, and Linux, is secure, offers excellent compression ratio, very fast decompression, and has no memory overhead for compressed executables.
UPX FAQ
Common questions about UPX including features, pricing, alternatives, and user reviews.
UPX is UPX is a high-performance executable packer for various executable formats. It is a Offensive Security solution designed to help security teams with Binary Analysis.
UPX is built for security teams handling Binary Analysis. Teams typically adopt UPX when they need to offensive security capabilities integrated into their existing stack. Explore similar tools at https://cybersectools.com/alternatives/upx
UPX is a free Offensive Security tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://upx.sourceforge.net/ for download and installation instructions.
Popular alternatives to UPX include:
1.Fortra Cobalt Strike - Threat emulation tool for adversary simulations and red team operations (Commercial)
2.Charlotte - Charlotte is an undetected C++ shellcode launcher for executing shellcode with stealth. (Free)
3.PLCinject - PLCinject is a tool for injecting and patching blocks on PLCs with a call instruction. (Free)
4.Luyten - Java decompiler GUI tool for Procyon under Apache License. (Free)
5.SigThief - SigThief extracts digital signatures from signed PE files and appends them to other files to create invalid signatures for testing Anti-Virus detection mechanisms. (Free)
Compare all UPX alternatives at https://cybersectools.com/alternatives/upx
UPX is for security teams and organizations that need Binary Analysis. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Offensive Security tools can be found at https://cybersectools.com/categories/offensive-security-testing
Have more questions? Browse our categories or search for specific tools.
