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Silent_Packer

Free#24 of 28 in Executable Packers

Silent_Packer: A focused Linux packer with broad format support and notable PE limitations. Ranked #24 of 28 in Executable Packers by our editors (5.9/10); pricing: Open source; best for cross-format open-source binary packing.

5.9/10Editor score

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Silent_Packer5.9 Visit Silent_Packer

At a glance

Editor score
5.9 / 10
Pricing
Open source
Best for
Cross-format open-source binary packing
Paid from
Free
Protection features
Yes
Facts checked
20 Sep 2026

Where it wins
- Supports ELF32/64 and PE32/PE32+ binaries
- Offers XOR and AES-128-ECB code-section ciphering
- Includes section insertion, code-cave, PIE, and CLI modes
Where it doesn't
- Linux is the supported platform
- No Windows version is available
- PE files have recurrent bugs

Our verdict on Silent_Packer

Silent_Packer is a command-line binary packer for ELF and PE executables, written in pure C and distributed as source code and compiled binaries under the GNU AGPLv3 license. It is intended for users who need open-source packing across 32-bit and 64-bit ELF and PE formats on Linux. The packer encrypts a binary's code section and decrypts it before execution, with code obfuscation intended to make reverse engineering harder. It supports ELF64, ELF32, PE32+, and PE32 binaries, as well as PIE binaries.

Its feature depth is the main reason to consider it. Silent_Packer supports XOR ciphering and AES-128-ECB ciphering, plus section insertion packing, code-cave packing, and Silvio Text Infection for ELF files. Verbose and debug command-line modes provide additional control when working from a terminal. This combination gives the project a broader packing scope than a tool limited to one executable format or one packing method, while keeping the workflow command-line based.

Platform fit and file-format reliability are the important constraints. The documented build instructions target Linux, and no Windows version is available. The README also states that PE files have recurrent bugs, so users working primarily with Windows executables should choose a different packer if dependable PE handling is essential. Silent_Packer is better suited to Linux-oriented users who value open source, 32/64-bit ELF support, multiple packing techniques, and configurable ciphering. It is a weaker choice for Windows-native workflows or projects where PE stability is the central requirement.

Your product? Our editors can test Silent_Packer in depth and publish a review, labelled as paid · from $149/mo →

Silent_Packer pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

Silent_Packer fact sheet

Free plan	Not verified
Paid from	Free
Supported platforms	Linux
Binary formats	ELF64, ELF32, PE32+, PE32
Compression levels	Not verified
Protection features	Yes
Architecture support	32/64-bit
License model	Not verified
Deployment	Self-hosted
Platforms	Linux
Support	Community, Docs
Built for	Solo, Small business (editorial estimate)
Pricing	Open source
Website	github.com
Facts checked	20 Sep 2026

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Featured on iTechGuides

Silent_Packer is listed in our Executable Packers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update