![]() ![]() Its freeware version provides typical hex editor features in a friendly and highly-customizable interface, but is not particularly impressive. ![]() Hex Editor Neo is available as free and commercial versions for Microsoft Windows from HDD Software. Also, FileInsight does not support searching for Unicode-encoded strings that look like ASCII strings. For instance, when attempting to load a 512MB file, FileInsight produced a "Failed to open document" error. The tool's biggest weakness is, perhaps, its inability to open very large files. FileInsight also allows you to automate actions using JavaScript and Python. The disassembler is especially helpful when looking at shellcode embedded in malicious files.įileInsight includes numerous other analyst-friendly features, such as the ability to import data structure declarations, HTML syntax highlighting, and tools for decoding various data obfuscation methods (xor, add, shift, Base64, etc.). Furthermore, the tool has a built-in x86 disassembler: simply point the cursor at the area of the file you want to treat as code, and the tools will show you the corresponding assembly instructions. As expected, it can perform standard hex editor duties, such as viewing and editing file contents in a hex form, but it also does more than that.įileInsight is able to parse the structure of compiled Windows executables (PE files) and binary Microsoft Office (OLE) documents. FileInsightįileInsight is a free hex editor from McAfee Labs that runs on Microsoft Windows ( download zip file). There are lots of hex editors out there I want to mention a few that I find particularly useful for analyzing malware and examining malicious document files. Some editors distinguish themselves at helping the user derive meaning from the examined file, extracting ASCII and Unicode contents, searching for patterns, recognizing common structures, and so on. Hex editors allow examining and modifying a file at the low-level of bytes and bits, usually representing the file's contents in hexadecimal form.
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