Links

FFDec sites

• Flash decompiler blog - interesting info about SWF file format and FFDec news
• @JPEXS_FFDec twitter - not so often updated social media

FFDec reviews/tutorials

• JPEXS Free Flash Decompiler - a first look (version 4.1.1) - Software Informer on Vimeo
• I love free software - Version 2.1.0u1
• Basic SWF Bytecode modification (AVM2/AS3) tutorial - Post on Bmanatee's blog
• Translation of SWF files with FFDec first youtube video (v4.0.5 nightly), second (v 4.1.1) (Russian)
• Dayanzai (Chinese)
• Tamindir (Turkish)
• Punto Informatico (Italian)
• Software Informer

Projects using FFDec

• FPDetective - measuring the prevalence of device fingerprinting on the Internet
• Investigation of FBI code to unmask some dark net (TOR) users

Related tools

• pcode-syntax-definition - Sublime Text Syntax Highlighter for FFDec AVM2 P-code

SWF Documentation

• SWF File Format Specification (version 19): swf-file-format-spec.pdf
• ActionScript Virtual Machine 2 (AVM2) Overview: avm2overview.pdf
• List of all AVM2 instructions: as3_pcode_instructions.en.html (JPEXS)
  This can be generated from decompiler itself by running with commandline arguments:
  ffdec.jar -doc -type as3.pcode.instructions -out as3_pcode_instructions.en.html -locale en
• SWF Tags - http://www.m2osw.com/swf_tags - List of all SWF tags even undocumented
• Summary of the AVM2 instructions: link (retrieved on 2015-09-19)

Other similar software

Useful tools with no funds needed.

• Flasm - Flasm on SourceForge - AS1/2 (dis)assembler
• RABCDasm - RABCDasm on Github - AS3 (dis)assembler, FFDec uses similar AS3 p-code syntax
• Free SWF Decompilers - Post on Bruce Jawns blog - Large list of free Flash decompilers

Paid

If money is no problem for you, maybe following decompilers will be handy too:

• Action Script Viewer - http://www.buraks.com/asv/ - FREE for noncommercial use since January 2022
• Sothink SWF Decompiler - http://www.sothink.com/product/flashdecompiler/
• Flash Decompiler Trillix - http://www.flash-decompiler.com/