How To Use
June 2, 2014
Read the License for
important information regarding the use of Rec Studio.
Rec Studio 4 Downloads
||Rec Studio 4 for Windows XP/Vista/7
||RecStudioWin.zip (best support - GUI+CLI - updated: June 2, 2014)
||Rec Studio 4 for Ubuntu Linux 11
||RecStudioLinuz.tgz (good support - GUI+CLI - updated July 24, 2013) |
||Rec Studio 4 for Mac OS X 10.6
||RecStudioMac.tgz (weakest support - GUI+CLI - updated May 25, 2012)
Note: The command line versions (CLI) implement only the following usage:
RecCLI binary_file /absolute/path/to/output.c
These files include the executable, required run-time libraries, support files
such as type definitions files for many Windows and Linux APIs etc.
Simply download and unzip the files in a directory of your choice. There is no
installer, nothing is changed in your registry. The program RecStudio4 can be run from
the extracted bin directory.
Refer to the how to use page for instructions
on using the decompiler.
June 2, 2014 - Fixed crash with huge number of _t variables. Fixed type detection in truncating assignments. Fixed recognition of memcpy sequences in Windows.
January 14, 2014 - Added detection of unicode strings. Improved code structuring.
November 20, 2012 - Fixed definition of entry points in signature files. Recognition of PlayStation 1 binary files, and addition of PS1 system call signature files. Improved support for some MIPS instructions.
October 20, 2012 - Significantly reduced memory used and significantly increased decompilation speed. Major improvements and fixes in code structuring, and fixed several bugs.
August 29, 2012 - Fixed decoding of IMUL d,a,# instruction.
August 25, 2012 - Function detection from .dymsym and .got symbols. Added MIPSLE support package.
May 25, 2012 - Better recognition of parameters from symbolic info. Added gcc C++ support file for C++ exceptions. Improved user interface. Added GUI version for Mac.
May 10, 2012 - Fixed switch() detection. Fixed loading PowerPC MachO files. Significantly speeded up Linux version.
Apr. 24, 2012 - Fixed memory leak and divide by zero during constant expr. evaluation. Added loading 32-bit x86 MachO binaries and 64-bit CLI on Windows.
Apr. 15, 2012 - Show line number and name local variables from -g info if present in ELF. Show location of local variables.
Apr. 9, 2012 - Improved code structuring and symbol detection in ELF.
Apr. 6, 2012 - Fixed memory leak, endless loop, crashes
Mar. 19, 2012 - Added command line version for Linux
Rec Studio 2 Downloads
The old Rec Studio 2 is still available for download at the following links.
(Files are from 120 to 500 kbyte. Each file contains the REC executable,
prototype files for Linux and Windows, and a 386 example executable).
You can also download just the prototype files.
These files contain the types and function declarations for several
system calls. When a prototype file is specified in the types:
command of a .cmd file, or in the proto.lst file, REC will
read the symbolic information from that file and use it to infer the
number and type of local variables and function parameters.
Due to copyright restrictions, the Windows prototype files are
only available in binary form.
The MIPS disassembler source is also available.
From version 2.1, RecStudio uses the disassembler included in the Netwide Assembler
package (version 0.98.39). The project to build the ia32 disassembler as a DLL
is available here. No other portions of NASM are
used in RecStudio. The Netwide Assembler can be downloaded from
At this time the other disassemblers are still statically linked in the
RecStudio executable, although eventually they'll be made available
as shared libraries.