PECompact

PECompact is a Windows executable compressor. It has a plugin system that offers virtually customization.

Technique Identifier

U1414

Technique Tag

pecompact

Evasion Categories

Packers

Detection Rules

rule:
  meta:
    name: packed with PECompact
    namespace: anti-analysis/packer/pecompact
    authors:
      - william.ballenthin@mandiant.com
    scope: file
    att&ck:
      - Defense Evasion::Obfuscated Files or Information::Software Packing [T1027.002]
    mbc:
      - Anti-Static Analysis::Software Packing [F0001]
    references:
      - https://www.hexacorn.com/blog/2016/12/15/pe-section-names-re-visited/
    examples:
      - Practical Malware Analysis Lab 18-03.exe_
  features:
    - or:
      - section: PEC2TO
      - section: PEC2
      - section: pec
      - section: pec1
      - section: pec2
      - section: pec3
      - section: pec4
      - section: pec5
      - section: pec6
      - section: PEC2MO

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

PECompact – Windows (PE) Executable Compressor

Created

June 19, 2022

Last Revised

March 24, 2026