# NullSection | An Anti-Reversing Tool That Applies A Technique That Overwrites The Section Header With Nullbytes

**URL:** <https://onehack.st/t/nullsection-an-anti-reversing-tool-that-applies-a-technique-that-overwrites-the-section-header-with-nullbytes/276439>\
**Category:** Tools & Scripts\
**Tags:** tools\
**Created:** [February 26, 2024, 11:21pm UTC](https://onehack.st/t/nullsection-an-anti-reversing-tool-that-applies-a-technique-that-overwrites-the-section-header-with-nullbytes/276439 "2024-02-26T23:21:50Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![NoBody](https://onehack.st/user_avatar/onehack.st/nobody/32/163880_2.png) [@NoBody](https://onehack.st/u/NoBody)\
**Post date:** [February 26, 2024, 11:21pm UTC](https://onehack.st/t/nullsection-an-anti-reversing-tool-that-applies-a-technique-that-overwrites-the-section-header-with-nullbytes/276439/1 "2024-02-26T23:21:50Z")

</div>

![image](https://onehack.st/uploads/default/original/3X/f/1/f158d6cec5bb3430e9fbe83b11de1c2be096c0a0.jpeg)

# NullSection

NullSection is an Anti-Reversing tool that applies a technique that overwrites the section header with nullbytes.

### Install

```auto
git clone https://github.com/MatheuZSecurity/NullSection
cd NullSection
gcc nullsection.c -o nullsection
./nullsection

```

### Advantage

When running nullsection on any ELF, it could be .ko rootkit, after that if you use Ghidra/IDA to parse ELF functions, nothing will appear no function to parse in the decompiler for example, even if you run readelf -S / path /to/ elf the following message will appear “There are no sections in this file.”

Make good use of the tool!

#### Note

```auto
We are not responsible for any damage caused by this tool, use the tool intelligently and for educational purposes only.

```

## GitHub:

> **[GitHub - MatheuZSecurity/NullSection: NullSection is an Anti-Reversing tool that applies...](https://github.com/MatheuZSecurity/NullSection)**
>
> NullSection is an Anti-Reversing tool that applies a technique that overwrites the section header with nullbytes.
