245 matches found
wxHexEditor - Hex Editor / Disk Editor for Huge Files or Devices on Linux, Windows and MacOSX
wxHexEditor is another Free Hex Editor, build because there is no good hex editor for Linux system, specially for big files. Low Level Data Recovery with wxHexEditor wxHexEditor is not an ordinary hex editor, but could work as low level disk editor too. If you have problems with your HDD or...
DeathRansom - A Ransomware Developed In Python, With Bypass Technics, For Educational Purposes
What is a ransomware? A ransomware is malware that encrypts all your files and shows a ransom request, which tells you to pay a set amount, usually in bitcoins BTC, in a set time to decrypt your files, or he will delete your files. How it works? First, the script checks if it's in a sandbox,...
Thinking Outside the Bochs: Code Grafting to Unpack Malware in Emulation
This blog post continues the FLARE script series with a discussion of patching IDA Pro database files IDBs to interactively emulate code. While the fastest way to analyze or unpack malware is often to run it, malware won’t always successfully execute in a VM. I use IDA Pro’s Bochs integration in...
Apple Safari SVG Marker Element baseVal Remote Code Execution Vulnerability
Summary A freed memory access vulnerability exists in the SVG Marker Element feature of Apple Safari’s WebKit version 13.0.2. A specially crafted HTML web page can cause a use after free, resulting in memory corruption and possibly arbitrary code execution. To trigger this vulnerability, a...
Functrace - A Function Tracer
functrace is a tool that helps to analyze a binary file with dynamic instrumentation using DynamoRIO http://dynamorio.org/. These are some implemented features based on DynamoRIO: disassemble all the executed code disassemble a specific function dump if these are addresses get arguments of a...
Hacking Hardware Password Managers: The RecZone
TL:DR Hardware security can be difficult to fathom, so I set out to research three password vaults as a newbie, sharing my findings. I picked three popular hardware vaults, each with different components, requiring different skills and equipment. Here's how I learned about disassembly, chipset...
Sojobo - A Binary Analysis Framework
Sojobo is an emulator for the B2R2 framework. It was created to easier the analysis of potentially malicious files. It is totally developed in .NET so you don't need to install or compile any other external libraries the project is self contained. With Sojobo you can: Emulate a 32 bit PE binary...
openSUSE Security Update : binutils (openSUSE-2019-2432)
This update for binutils fixes the following issues : binutils was updated to current 2.32 branch jscECO-368. Includes following security fixes : - CVE-2018-17358: Fixed invalid memory access in bfdstabsectionfindnearestline in syms.c bsc1109412 - CVE-2018-17359: Fixed invalid memory access exist...
Linux/x86 - execve(/bin/sh) using JMP-CALL-POP Shellcode (21 bytes)
/ ;Category: Shellcode ;Title: GNU/Linux x86 - execve /bin/sh using JMP-CALL-POP technique 21 bytes ;Author: kiriknik ;Date: 01/07/2019 ;Architecture: Linux x86 =========== Asm Source =========== global start section .text start: jmp short callshellcode shellcode: pop ebx xor eax,eax mov al, 11 i...
PowerShellArsenal - A PowerShell Module Dedicated To Reverse Engineering
PowerShellArsenal is a PowerShell module used to aid a reverse engineer. The module can be used to disassemble managed and unmanaged code, perform .NET malware analysis, analyze/scrape memory, parse file formats and memory structures, obtain internal system information, etc. PowerShellArsenal is...
Linux/x86 - Polymorphic execve(/bin/sh) Shellcode (63 bytes)
/ ; Date: 09/03/2019 ; PolymorphicExecveShStack.asm ; Author: Daniele Votta ; Description: This program invoke a Polimorphic version of excve. Original ExecveShStack: file format elf32-i386 Disassembly of section .text: 08048080 : 8048080: 31 c0 xor eax,eax 8048082: 50 push eax 8048083: 68 2f 2f ...
50m-ctf: Weak credentials, Blind SQLi, Timing attack, that leads to web admin access
Summary: Discovery of the application: The h1Thermostat application was discovered by extracting the bit.do URL from the image at https://pbs.twimg.com/media/D0XoThpW0AE2r8S.png:large. The URL https://bit.do/h1therm then led to a Google Drive where the Android application file h1thermostat.apk...
What’s in the Box?
ARCHIVED STORY What’s in the Box? By Sam Quinn · February 25, 2019 2018 was another record-setting year in the continuing trend for consumer online shopping. With an increase in technology and efficiency, and a decrease in cost and shipping time, consumers have clearly made a statement that...
[SECURITY] Fedora 29 Update: capstone-3.0.5-1.fc29
Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community...
Linux/ARM - Jump Back Shellcode + execve("/bin/sh", NULL, NULL) Shellcode (4 Bytes)
/ Title: Linux/ARM - Jump Back Shellcode + execve"/bin/sh", NULL, NULL Shellcode 4 Bytes Author: Ken Kitahara Tested: armv7l Raspberry Pi 3 Model B+ System Information pi@raspberrypi: $ uname -a Linux raspberrypi 4.14.52-v7+ 1123 SMP Wed Jun 27 17:35:49 BST 2018 armv7l GNU/Linux pi@raspberrypi: $...
Linux/x86 - echo "Hello World" + Random Bytewise XOR + Insertion Encoder Shellcode (54 bytes)
Linux/x86 - echo "Hello World" + Random Bytewise XOR + Insertion Encoder Shellcode 54 bytes. Shellcode exploit for Linuxx86 platform / Title: Linux/x86 - Random Bytewise XOR + Insertion Encoder Shellcode 54 bytes Date: 2018-09-13 Author: Ray Doyle @doylersec Homepage: https://www.doyler.net Teste...
Assessing the security of a portable router: a look inside its hardware
Network administrators should perform security assessments of hardware that they will provide their users, or particularly paranoid users might want to poke at their devices just to be extra sure. In this blog post, we will demonstrate the techniques used to assess security on a generic portable...
[SECURITY] Fedora 27 Update: capstone-3.0.5-1.fc27
Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community...
PEDA - Python Exploit Development Assistance For GDB
PEDA - Python Exploit Development Assistance for GDB Key Features: Enhance the display of gdb: colorize and display disassembly codes, registers, memory information during debugging. Add commands to support debugging and exploit development for a full list of commands use peda help: aslr --...