NamedPipePTH - Pass The Hash To A Named Pipe For Token Impersonation

This project is a PoC code to use Pass-the-Hash for authentication on a local Named Pipe user Impersonation. There also is a blog post for explanation: https://s3cur3th1ssh1t.github.io/Named-Pipe-PTH/ It is heavily based on the code from the projects Invoke-SMBExec.ps1 and RoguePotato. I faced...

charlotte1

This is a Python script, charlotte.py, that appears to be a fully undetected shellcode launcher. It is designed to run on Windows systems and is intended to be used as a proof-of-concept POC exploit. The script uses XOR encryption to protect the shellcode and function names, making it difficult t...

Linux/x86 Custom Shellcode ASCII And-Sub Encoder

/ Title: Linux/x86 - Custom Shellcode ASCII And-Sub Encoder Date: 29.03.2021 Author: Xenofon Vassilakopoulos github : https://github.com/xen0vas/ASCII-AND-SUB-Encoder gcc -m32 sub.c -o sub Usage : ./sub -s \x41\xff\x41\x41 -b \x0a\x0d\x2f\x3a\x3f\x40\x80\x81\x82 / include include include include...

Linux/x86 - execve /bin/sh Shellcode (fstenv eip GetPC technique) (70 bytes, xor encoded)

Exploit Title: Linux/x86 - execve /bin/sh Shellcode fstenv eip GetPC technique 70 bytes, xor encoded Exploit Author: d7x Tested on: Ubuntu x86 / shellcode with XOR decoder stub and fstenv MMX FPU spawning a /bin/sh shell uses the fstenv GetPC technique to get the memory address dynamically...

Link - A Command And Control Framework Written In Rust

link is a command and control framework written in rust. Currently in beta. Introduction link provides MacOS, Linux and Windows implants which may lack the necessary evasive tradecraft provided by other more mature command and control frameworks. Tested on Linux only. Features Hopefully this list...

IcoFX 2.6 - '.ico' Buffer Overflow SEH + DEP Bypass using JOP

Exploit Title: IcoFX 2.6 - '.ico' Buffer Overflow SEH + DEP Bypass using JOP Date: 2020-05-20 Exploit Author: Austin Babcock Vendor Homepage: https://icofx.ro/ Software Link: https://drive.google.com/file/d/1SONzNStAW3pAPU5IUvsYS3z0jYymEZn/view?usp=sharing Version: 2.6.0.0 Tested on: Windows 7...

charlotte

It is an offensive tool for Windows. The repository contains a Python script, charlotte.py, which is a fully undetected shellcode launcher. The script uses XOR encryption to encrypt the shellcode and function names. The script is designed to be used with the Metasploit framework, and it can be us...

Revisiting the NSIS-based crypter

This blog post was authored by hasherezade NSIS Nullsoft Scriptable Install System is a framework dedicated to creating software installers. It allows to bundle various elements of an application together i.e. the main executable, used DLLs, configs, along with a script that controls where are th...

Charlotte - C++ Fully Undetected Shellcode Launcher

c++ fully undetected shellcode launcher ; releasing this to celebrate the birth of my newborn description 13/05/2021: 1. c++ shellcode launcher, fully undetected 0/26 as of 13th May 2021. 2. dynamic invoking of win32 api functions 3. XOR encryption of shellcode and function names 4. randomised XO...

Linux/x86 - setreuid(0) + execve(/bin/sh) Shellcode (29 bytes)

/ Author: Artur ajes Szymczak 2021 Function: Linux x86 shellcode, setreuid to 0 and then execute /bin/sh Size: 29 bytes Testing: $ gcc -fno-stack-protector -z execstack shellcodetester.c -o shellcode shellcodetester.c: In function ‘main’: shellcodetester.c:25:2: warning: incompatible implicit...

Windows/x64 - Dynamic NoNull Add RDP Admin (BOKU:SP3C1ALM0V3) Shellcode (387 Bytes)

Shellcode Title: Windows/x64 - Dynamic NoNull Add RDP Admin BOKU:SP3C1ALM0V3 Shellcode 387 Bytes Shellcode Author: Bobby Cooke boku Tested on: Windows 10 v2004 x64 Compiled from: Kali Linux x8664 Full Disclosure: github.com/boku7/x64win-AddRdpAdminShellcode Shellcode Description: 64bit Windows 10...

Windows/x64 - Dynamic Null-Free WinExec PopCalc Shellcode (205 Bytes)

Shellcode Title: Windows/x64 - Dynamic Null-Free WinExec PopCalc Shellcode 205 Bytes Shellcode Author: Bobby Cooke boku Tested on: Windows 10 v2004 x64 Shellcode Description: 64bit Windows 10 shellcode that dynamically resolves the base address of kernel32.dll via PEB & ExportTable method. Contai...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

This is a proof-of-concept PoC exploit for CVE-2020-0796, also known as SMBGhost, a pre-authentication remote code execution RCE vulnerability in the SMBv3 protocol. The exploit is written in Python and uses the SMB protocol to inject shellcode into the target system. The exploit targets Windows...

Targeted Malware Reverse Engineering Workshop follow-up. Part 1

On April 8, 2021, we conducted a webinar with Ivan Kwiatkowski and Denis Legezo, Senior Security Researchers from our Global Research & Analysis Team GReAT, who gave live workshops on practical disassembling, decrypting and deobfuscating authentic malware cases, moderated by GReATs own Dan Demete...

Linux/x64 - execve(/bin/sh) Shellcode (21 bytes) (2)

Linux/x64 - execve/bin/sh Shellcode 21 bytes Author: s1ege Tested on: x8664 GNU/Linux Shellcode Length: 21 / objdump disassembly 401000: 50 push %rax 401001: 48 31 d2 xor %rdx,%rdx 401004: 48 bb 2f 62 69 6e 2f movabs $0x68732f2f6e69622f,%rbx 40100b: 2f 73 68 40100e: 53 push %rbx 40100f: 54 push...

Linux/x86 - execve(/bin/sh) Shellcode (17 bytes)

Linux/x86 - execve/bin/sh Shellcode 17 bytes Author: s1ege Tested on: i686 GNU/Linux Shellcode length: 17 / ; nasm -felf32 shellcode.asm && ld -melfi386 shellcode.o -o shellcode section .text global start start: push 0x0b pop eax push 0x0068732f push 0x6e69622f mov ebx, esp int 0x80 / include...

CTF-All-In-One

This is a comprehensive guide to CTF Capture The Flag competitions, specifically focusing on the Pwn binary exploitation aspect. The book is written by Yang Chao, a member of L-Team, and is intended for beginners. It covers the basics of binary exploitation, including memory management, buffer...

Exploit for Improper Input Validation in Google Chrome

PoC exploit for CVE-2020-16040, an out-of-bounds write vulnerability in the WebAssembly WASM engine of various browsers. The exploit targets the WASM engine's handling of large arrays, allowing an attacker to write arbitrary data to the heap. The exploit is implemented in JavaScript, using the...

D-Link DSL-320B-D1 Pre-Authentication Buffer Overflow

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Multiple Pre-Auth Stack Buffer Overflow in D-Link DSL-320B-D1 ADSL Modem ======== ========================================= 0. Overview 1. Details 2. Solution 3. Disclosure Timeline 4. Thanks & Acknowledgements 5. References 6. Credits 7. Legal...

D-Link DSL-320B-D1 Pre-Authentication Buffer Overflow Vulnerability

The D-Link DSL-320B-D1 ADSL modem suffers from multiple pre-authentication stack buffer overflow vulnerabilities. Multiple Pre-Auth Stack Buffer Overflow in D-Link DSL-320B-D1 ADSL Modem ======== ========================================= 0. Overview 1. Details 2. Solution 3. Disclosure Timeline 4...