What’s is Hiew+
Hiew+ is based on the FsPlus project. FsPlus is an implementation of an idea that allows you to access non disk files as if they were disk files. Hiew+ is a real life example of FsPlus where we take Hiew (an excellent hex editor) and turn it into an excellent process editor. Each process will be viewed as a file with a size as much as SYSTEM_INFO.lpMaximumApplicationAddress returns. In theory FsPlus should work with any hex editor to provide process memory editing, but this release is just Hiew ready.
To use FsPlus, you need to inject FsPlus.dll into Hiew’s process memory so that the APIs are hooked. After APIs are hooked, FsPlus will recognize and treat in a different manner any file name that has the following form: “pid|1234” where 1234 is a given PID. To make the usage even simpler, I provid a small GUI (FsPlusGui) to allow you launch Hiew conveniently.
In fact, Hiew+ can be considered as a nice addition to your reverse engineering tools arsenal (IDA Pro‘s debugger or any other debugger, etc.).
Here’s a screenshot of the FsPlusGui:
You will need to double click on a process to have Hiew or the desired process launched with FsPlus support.
Make sure you specify the settings correctly in FsPlus.ini:
title=Hiew+ (c) lallous <email@example.com>
After you run it successfully, you will be able to start editing processes as if you were editing files. The catch is every process virtual address is now a physical offset in Hiew.
Modules as IMAGE_SECTION_HEADERs
For your convenience we have created additional IMAGE_SECTION_HEADER structures in the PE header of the main process, so that each loaded module is view as a PE section:
Textual information about process’ modules
In addition to viewing modules as PE sections, you will have an actual representation of all loaded modules just after the end of the PE header:
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No Read Errors
To avoid reading errors and such, any unreadable memory page is filled with “BAD!” pattern.
Physical and Logical disk editing
This is not something added by FsPlus, rather it is a undocumented feature of Hiew32 where you can use Hiew to edit/view logical and physical disk sectors:
This tool has been tested with Windows Vista (32) and Windows XP SP2 and with Hiew 7.29.
Hope you find this tool useful as Hiew itself.
Note: Please don’t contact me if you run into trouble. This tool is no longer supported.
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