root@0xbartita:~$ _
Ahmed Abdel Rasoul

Ahmed Abdel Rasoul

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Breaking things to make them safer.

BLOGS

MobileHackingLabs iOS Challenges

MobileHackingLabs iOS Challenges

My write-ups for the MobileHackingLabs iOS challenges: reverse engineering the apps, hooking with Frida, bypassing anti-debug and jailbreak checks, and pulling flags from memory.

How I Chained 2FA Bypasses in a Crypto P2P System to Drain User USDT
Jul 24, 2025 2 min read

How I Chained 2FA Bypasses in a Crypto P2P System to Drain User USDT

How I chained two logic flaws in a crypto P2P platform — frontend-only 2FA and poor session isolation — to add a payout method to a victim's account and sell their USDT without ever passing OTP.

Writeups 2FA Bypass Crypto
Bypass WAF by a Simple Trick — Gained $1000 Bounty
Sep 3, 2023 3 min read

Bypass WAF by a Simple Trick — Gained $1000 Bounty

How I bypassed Cloudflare WAF protection by finding the origin IP and modifying the HOST header — a simple trick that earned a $1000 bounty.

How I Got Two RCE at a BBP Program
Aug 10, 2023 2 min read

How I Got Two RCE at a BBP Program

Discovering two Remote Code Execution vulnerabilities in a bug bounty program using Shodan recon and default SAP Commerce credentials.

Writeups RCE SAP Commerce

WHOAMI

Penetration Tester with 500+ vulnerabilities reported across HackerOne, Bugcrowd, HackenProof and Immunefi. Responsibly disclosed issues to Binance, Oracle, VMware, Huawei and John Deere. Specialized in web, API and mobile application security, with a strong focus on business logic flaws, authorization and authentication bypasses, IDORs and API abuse. Also experienced in Active Directory penetration testing and source code review.

Location Cairo, Egypt
Languages Arabic (Native) & English (Professional)
Education Computer Science — Arab Open University
0+ Vulnerabilities
0+ Reputation
0+ Hall of Fames
0 CVE Published

ACTIVITY

Bug bounty tips and field notes, posted as I find them — follow on X

EXPERIENCE

Bug Bounty Hunter

5+ years
Ranked #31 on HackenProof Leaderboard (2025)
Top 3 on Binance Bug Bounty Program
Top 10 on HackerOne's iOS Mobile App leaderboard
Top 10 for Android assets on HackerOne (Q1 2026)
2220+ reputation on HackerOne
Crossed 1,000 reputation (#1) on a fintech private BBP
500+ reported vulnerabilities across platforms
Custom recon, subdomain monitoring & vulnerability automation — built an AI-agent Android bot that scans whole APKs and has landed a lot of bounties

HALL OF FAME & AWARDS

John Deere

Bug Bounty Program swag for responsible disclosure

Oracle

Acknowledged in Oracle's Critical Patch Update — On-Line Presence Security Contributors

HackenProof

Ranked #31 Worldwide on the 2025 leaderboard

  • Case study: chaining 2FA bypasses to drain funds on a 2M-user crypto P2P platform
  • Weekly Leaderboard — Ranked #1
  • Weekly Leaderboard — Ranked #3
Binance

Top 3 Researcher in Binance Bug Bounty Program

Huawei

Two official acknowledgment letters for accepted vulnerability reports

VMware

Official swag for responsible disclosure of a security issue

CVE DISCOVERIES

1 CVE Discovered and Counting...

RCE
CRITICAL

CVE-2026-23524

Laravel Reverb · Insecure Deserialization

with Mohammad Yaser

Disclosed NVD

CONTACT

connect.sh

$ ssh 0xbartita@connect

Connecting to 0xbartita...

Connection established.

$ cat contact_info.txt

[email protected]

a_7_m_e_d_

github.com/0xbartita

linkedin.com/in/0xbartita

x.com/0xbartita

$ _