vicnaum

Deobfuscating / Unminifying Obfuscated Web App / JavaScript Code

Some notes and tools for reverse engineering / deobfuscating / unminifying obfuscated web app code.

Table of Contents

• tl;dr: AKA: devalias's shortlist
• PoC
• Benchmarks / Leaderboards / etc

vicnaum

#!/bin/bash

# At the beginning of the script, store the original directory
ORIGINAL_DIR=$(pwd)

# Check if at least repository URL is provided
if [ $# -lt 1 ]; then
    echo "Usage: $0 <repository_url> [file_extension] [start_date] [end_date] [--csv]"
    echo "Dates should be in YYYY-MM-DD format"
    echo "--csv: Optional flag to generate detailed CSV output (may be slower)"

vicnaum

#!/bin/bash
set -e

#####################################
### MODERN 2025 VERSION WITH PNPM ###
#####################################

# Initialize pnpm project
pnpm init

vicnaum

Translate EVM bytecode into opcodes using pure Regex :)

Demo: https://twitter.com/0x796/status/1608039943582142464

Try here: https://regex101.com/

Use PCRE2 (Perl compatible) Regex flavor.

Search:

vicnaum

(?<!^[\s]*import.*)(?<!^.*\/\/.*)(?<!\/\*(?:(?!\*\/)[\s\S\r])*?)(?<![\.\+\-\/\*])[\-\+\*\/](?![\+\-\/\.\*])

vicnaum

@echo off
ECHO Usage:  manyFolders.cmd yourfoldername 500 3
ECHO (where 500 is number of folders to create and 3 is a number of digits in folder number)
ECHO.

set count=%2
setlocal EnableDelayedExpansion
for /L %%i in (1, 1, %count%) do (
     set "formattedValue=000000%%i"
     md %1!formattedValue:~-%3!

vicnaum

import sys
import struct
import os

rootdir = "D:/MXF_Day1_Shots"

# MXF Keys
MXF_KEYS = {
    '\x06\x0E\x2B\x34\x02\x43\x01\x01\x0D\x01\x03\x01\x04\x01\x02\x02' : 'FRAME'
}