Ruyynn | OSINT & Pentesting

12 Followers
5 Following
24 Posts

Cybersecurity & OSINT enthusiast
Building recon and security tools in Python

Open source • Learning • Research

#OSINT #CyberSecurity #EthicalHacking #BugBounty #Recon #Indonesia

my GitHubhttps://github.com/ruyynn
Portfoliohttps://portfolioruyynn.great-site.net/

Unpopular opinion:

HTTP Request Smuggling isn’t just a “cool technical bug”.

It’s a design-level issue caused by inconsistent HTTP parsing across layers.

CL.TE and TE.CL aren’t the root cause — they’re symptoms.

As long as frontends and backends interpret request boundaries differently, this class of bugs will keep coming back.

Deep dive 👇

https://coderlegion.com/16431/understanding-http-request-smuggling-beyond-the-basics

#RequestSmuggling #WebAppSec #Infosec

Understanding HTTP Request Smuggling Beyond the Basics

HTTP Request Smuggling is often described as a technique to bypass WAFs or exploit parsing inconsistencies. That explanation is technically correct, but incomplete. The real issue is not about crafted payloads. It is about how different components in...

Coder Legion

Security is a trade-off. Choose wisely. ☕️

#infosec #SysAdmin #Linux #CyberSec

HTTP Request Smuggling is not just a WAF bypass trick.

Most people miss the real issue:

The vulnerability comes from differences in how HTTP requests are parsed between:

* reverse proxy (frontend)
* backend server

CL.TE / TE.CL are only the basic cases. The deeper issues are more subtle:

* HTTP/2 to HTTP/1.1 translation ambiguity
* parsing inconsistencies across proxy chains
* cache poisoning via request desynchronization
* session hijacking without traditional auth or RCE bugs

Core idea:
One request can be interpreted as two different requests depending on which layer processes it.

The exploit happens in that mismatch.

It is not an application bug in the usual sense.

It is a systemic parsing disagreement across the HTTP stack.

#infosec #pentesting #websecurity #bugbounty

🔓 Weak JWT secrets are still happening in production in 2024.

If your target uses JWT, try:
1. Decode at jwt.io — check algo & claims
2. Change algo to "none" → send without signature
3. Brute force the secret using hashcat:

hashcat -a 0 -m 16500 <jwt> /wordlist

Tool: jwt_tool by ticarpi — supports many JWT attack vectors at once.

You'll be surprised how many still use the secret "password" or "secret123".

#jwt #webappsec #pentesting

Top 3 on Shipit this week!
GhostIntel – the API-free OSINT framework trusted by security pros.
Instantly extract & analyze public data like a pro.

👉 Try it now on Shipit: https://www.shipit.buzz/products/ghostintel
Or check the GitHub repo: https://github.com/ruyynn/GhostIntel

#OSINT #CyberSecurity #Infosec #OpenSource #GhostIntel

just dropped a new post about GhostIntel v2.5 👻

what's new: Web UI, email breach detection, 8 countries for phone OSINT, 129+ platforms, batch processing.

still zero API keys, 100% public data.

🔗 https://dev.to/ruyynn/ghostintel-v25-what-changed-since-i-first-posted-about-it-m3e

#OSINT #Python #InfoSec #OpenSource

GhostIntel v2.5 — What Changed Since I First Posted About It

Found on 67 out of 129 platforms including Instagram, LinkedIn, TikTok, GitHub, Discord, and...

DEV Community

👻 Hey #infosec folks! GhostIntel v2.5 is out 🎉

Web UI for easy browsing
Email breach detection
Batch scanning across 129+ platforms
Still free, no API keys needed.
Check it out, try it, and let’s improve it together 🙏

https://github.com/ruyynn/GhostIntel

#OSINT #OpenSource #CyberSec #InfosecTools

Everyone uses subfinder, amass, and assetfinder.

But I found more subdomains using certificate transparency than all three combined last week.

Try this:
curl -s "https://crt.sh/?q=%.target.com&output=json" | jq -r '.[].name_value' | sort -u

You're welcome.

#OSINT #Recon #Infosec #cyberSecurity

Stop using ffuf with default wordlists for directory busting.

Most companies use predictable patterns:

/api/v1/, /api/v2/

/admin/, /admin-panel/

/backup/, /backups/

Build your own wordlist from observed patterns. Results improve by 10x.

#BugBounty #Recon #ProTip

Watched 3 episodes of Mr. Robot and opened the terminal like Elliot.

Then spent the next 20 minutes googling basic Linux commands.

#Infosec #CyberSecurity #Linux #MrRobot