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Muhammed Yildiray O.
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Muhammed Yildiray O.

Reverse Engineer | Android, iOS, Windows | Cyber Security Researcher

I'm an experienced Android, Windows, iOS and Firmware Reverse Engineer. I have a lot of experience in reversing applications, games, programs and systems. With +15 years of hands-on experience in Reverse Engineer and Malware Analysis, I am also a cybersecurity expert with experience in cybersecurity research and development at a world-class R&D laboratory in the field of Cyber ​​Operations. In this work, I gained experience in network traffic analysis, malware analysis and cryptography. My main skills: * Extract Data, Code, Algorithms, Signatures and Network Addresses from Android Apps, iOS App and Windows App * Deep expertise in Smali bytecode * Decompile Apk File and convert to full source code * Application Modification for Add, Remoave, Modify Functionalities * Bypass SSL pinning. Interception, Modification and Analysis of Network Traffic * Creation of Private API for a Applications or Programs * Decompilation, Debugging, Analysis and Modification of Native Android Libraries * Know arm and x86 assembler * Expertise in analyzing sophisticated malware using tools like IDA Pro, Ghidra, and x64dbg. * Have Experience in Reverse Unity, Cocos, Kony Android Apks * Debuggers, Disassemblers with Windows x86 and x64. * Creating Scripts/Plugins for Deobfuscation * Reversing iOS, Android Apps and Developing Tools to Automate * Server solutions (including serverless solutions) * interaction with BLE devices (BLE 4, BLE 5 Coded Phy) * Mobile apps Reverse Engineering (decompilation, creation of mods, API extraction, decryption) * Android APK patching and Binary Patching, Binary Decompilation * Root Detection and Emulator Detection Bypass * Network Traffic Analysis and Malware Analysis * Deobfuscation and Unpacking Applications * Web-Scraping/Crawling and Automation Expert * Browser Automation & Testing with Leverage Selenium, Multilogin, and Puppeteer * Data Analysis & Manipulation * Making custom tools for unpacking executable files as standalone tools and as plugins for debuggers * Reverse engineering eprom communication and ecu reverse engineering * firmware reverse engineering and hardware reverse engineering * Creating scripts/plugins for automatic and semi-automatic deobfuscation with IDA * Developing disk/storage/volume stack drivers * reversing iOS / android apps and developing tools to automate it * Advanced Web Scraping Techniques external APIs, uncovering hidden functionalities and potential enhancements through reverse engineering. * Digital Forensics Expert

🇹🇷Istanbul, Turkey$99/hr100% JSS4.86 (44)Since Aug 2022

Earnings and projects

MRR
$1.4k

Last 6 months ÷ 6

World#33,782 / 412k
🇹🇷Country#253 / 3,515
Revenue, last 30 days
$0

Last 6 months: $8.6k

Total earnings
$51k

Billed in all: $51k

World#74,820 / 412k
🇹🇷Country#555 / 3,515
Per project
$1k

$8.6k in the last 6 months

World#120,760 / 412k
🇹🇷Country#1,017 / 3,515
Projects, last 6 months
1
100% fixed0% hourly
World#128,096 / 412k
🇹🇷Country#1,006 / 3,515
Projects in all
49

Across 79 contracts

91% fixed9% hourly
World#62,382 / 412k
🇹🇷Country#430 / 3,515

Earnings, last 30 days

$51.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$50k$51k$52k$53kOct 9Oct 24Nov 8

Skill rankings: #1 in 1 skill of 15

Rarest: top 6% in Ethical Hacking, of 320. Ranked by MRR among everyone on Upwork with the skill.

  1. 1HackerRank15 freelancers · 🇹🇷 #1Top 7%
  2. #6Encryption62 freelancers · 🇹🇷 #1Top 10%
  3. #13Assembly Language129 freelancers · 🇹🇷 #2Top 10%
  4. #14Internet Security196 freelancers · 🇹🇷 #1Top 7%
  5. #15Cryptography183 freelancers · 🇹🇷 #2Top 8%
  6. #20Ethical Hacking320 freelancers · 🇹🇷 #1Top 6%
  7. #24Security Engineering229 freelancers · 🇹🇷 #1Top 10%
  8. #45Penetration Testing623 freelancers · 🇹🇷 #1Top 7%