π¨ EVIL TWIN ATTACK β FULL BREAKDOWN FOR BEGINNERS
π Learn how fake Wi-Fi networks can silently steal your data
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π Learn how fake Wi-Fi networks can silently steal your data
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πΉ 01 β WHAT IS AN EVIL TWIN ATTACK?
An Evil Twin Attack is a cyber attack where a hacker creates a fake Wi-Fi hotspot that mimics a legitimate one (like at a cafΓ©, airport, or library).
Once a victim connects, the attacker can:
Monitor all online activity
Intercept sensitive data (passwords, messages, banking info)
Redirect to fake login pages (phishing)
π§ Itβs like putting on a disguise and listening to someoneβs private conversation.
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πΉ 02 β HOW DOES IT WORK STEP-BY-STEP?
π€ Hacker sets up a Rogue Access Point
πΆ Names it just like a real Wi-Fi (e.g., βAirport_Free_WiFiβ)
π² Victim connects without knowing
π΅οΈββοΈ Hacker captures everything using packet sniffers or man-in-the-middle (MITM) tools
π Hacker may redirect user to a fake website asking for login credentials
π Itβs not just about spying β some Evil Twin attacks actively trick you into typing your credentials into fake websites.
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πΉ 03 β REAL-LIFE EXAMPLE
You're at Starbucks. You see two networks:
Starbucks_WiFi
Starbucks_WiFi_Free
You choose the second one. It connects, seems fineβ¦
But itβs the hackerβs network.
They now have access to:
β Your Instagram password
β Your Gmail session
β Possibly your bank login (if you donβt use HTTPS or a VPN)
π This happens fast and silently. You may never even know.
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πΉ 04 β TOOLS HACKERS USE
π§ Here are tools used in real Evil Twin Attacks:
Airbase-ng: Creates fake APs
Fluxion: Combines Evil Twin + phishing attacks
Wireshark: Sniffs traffic and captures packets
Karma Attack: Auto-responds to devices looking for known networks
Bettercap: Powerful MITM tool that can hijack sessions
β οΈ These tools are open-source β free and legal to download. Thatβs why awareness is critical.
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πΉ 05 β WARNING SIGNS OF A FAKE WI-FI
Be suspicious if:
π© You see multiple networks with the same or similar name
π© The Wi-Fi asks for login before connecting to the internet
π© Internet works slowly or randomly disconnects
π© You get a browser warning about invalid certificates
π© Youβre redirected to a weird-looking login page
π If the network asks you to βlog inβ before browsing, be extra cautious β especially if itβs a public place.
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πΉ 06 β HOW TO PROTECT YOURSELF
β Never access banking or personal accounts on public Wi-Fi
β Use a VPN to encrypt your traffic
β Turn off auto-connect to open networks
β Use HTTPS Everywhere (browser extension)
β Ask the staff for the official Wi-Fi name
β Use 2FA β even if they get your password, they canβt log in
β On phone? Use mobile data for sensitive actions
π‘ Bonus Tip: On Android, disable βWi-Fi scanningβ in location settings to stop devices from auto-broadcasting known networks.
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πΉ 07 β DISCLAIMER
β οΈ This guide is for educational purposes only.
We do not support or promote illegal hacking.
Our goal is to raise cyber awareness and help build a safer internet
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Where Network meets Red Team π―
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π§ Learn β’ π Hack β’ π§© Quiz β’ π Books β’ π Memes
If you're into PenTesting, Hacking, and Cyber Shenanigans β you're home!
π§ Learn β’ π Hack β’ π§© Quiz β’ π Books β’ π Memes
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πΆ "Knock knock..."
Who's there?
π What Is Port Knocking?
A Simple and Friendly Guide to Stealthy Network Security
π― The Concept in a Nutshell
Think of your server as a house. Now imagine it has no visible doorsβjust solid walls. No one can get in unless they know the secret knock. Thatβs exactly what Port Knocking does in the world of cybersecurity.
It hides your services behind closed ports and only reveals them to those who know the right "knock" patternβa sequence of invisible signals
sent to specific ports.
π΅οΈββοΈ Why It Exists
Most internet-connected services (like SSH for remote access) are always listening for connections. That also makes them visible to attackers scanning for vulnerabilities.
Port Knocking flips that idea. Instead of leaving your ports open, it keeps them closed and hidden. Only when a user sends a precise pattern of connection attempts does the system temporarily allow access.
Itβs like turning your server into a secret location
that only opens up for trusted guests.
π© How It Works β In Simple Terms
All ports on the server are closed and hidden.
The client sends a series of connection attempts to specific ports in a defined order.
A background listener watches for that exact sequence.
If the knock is correct, the system opens a specific port (e.g. SSH) for that userβs IP.
After some time, or once the connection ends, the port is closed again.
From the outside, it looks like nothing ever happened. Unless you know the exact knock, you wonβt even know a door exists.
β Why People Use Port Knocking
It hides critical services from casual scans and attacks.
Adds an extra layer of protection without altering your existing applications.
Lightweight and easy to implement.
Works well alongside other security measures.
Itβs not meant to replace passwords or encryptionβit just adds a clever invisible layer on top.
β Things to Watch Out For
The knock sequence can be captured if the network is not encrypted.
Replay attacks are possible if someone records and reuses your knock.
It depends on timingβif the network is slow or unstable, it may fail.
Itβs not immune to brute-force guessing if the sequence is too simple or common.
In short: itβs smart, but itβs not bulletproof. Use it with caution and combine it with other tools.
π€ When It Makes Sense
Port Knocking is great when you want to:
Hide services like SSH on your VPS or home server.
Prevent automated attacks or scans from detecting open ports.
Allow only specific users to access sensitive systems.
Itβs especially useful for individuals, sysadmins, or developers running personal servers who want something stealthy but simple.
π§ Final Thoughts
Port Knocking isnβt magicβbut it feels like it. It adds a layer of invisibility to your network that makes it harder for attackers to even know where to begin.
Itβs not a full security solution on its own, but itβs a powerful little trick to keep your server one step ahead.
Stay hidden, stay safe. π‘
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Who's there?
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π What Is Port Knocking?
A Simple and Friendly Guide to Stealthy Network Security
π― The Concept in a Nutshell
Think of your server as a house. Now imagine it has no visible doorsβjust solid walls. No one can get in unless they know the secret knock. Thatβs exactly what Port Knocking does in the world of cybersecurity.
It hides your services behind closed ports and only reveals them to those who know the right "knock" patternβa sequence of invisible signals
ββββββββββ
sent to specific ports.
π΅οΈββοΈ Why It Exists
Most internet-connected services (like SSH for remote access) are always listening for connections. That also makes them visible to attackers scanning for vulnerabilities.
Port Knocking flips that idea. Instead of leaving your ports open, it keeps them closed and hidden. Only when a user sends a precise pattern of connection attempts does the system temporarily allow access.
Itβs like turning your server into a secret location
that only opens up for trusted guests.
ββββββββββ
π© How It Works β In Simple Terms
All ports on the server are closed and hidden.
The client sends a series of connection attempts to specific ports in a defined order.
A background listener watches for that exact sequence.
If the knock is correct, the system opens a specific port (e.g. SSH) for that userβs IP.
After some time, or once the connection ends, the port is closed again.
From the outside, it looks like nothing ever happened. Unless you know the exact knock, you wonβt even know a door exists.
ββββββββββ
β Why People Use Port Knocking
It hides critical services from casual scans and attacks.
Adds an extra layer of protection without altering your existing applications.
Lightweight and easy to implement.
Works well alongside other security measures.
Itβs not meant to replace passwords or encryptionβit just adds a clever invisible layer on top.
ββββββββββ
β Things to Watch Out For
The knock sequence can be captured if the network is not encrypted.
Replay attacks are possible if someone records and reuses your knock.
It depends on timingβif the network is slow or unstable, it may fail.
Itβs not immune to brute-force guessing if the sequence is too simple or common.
In short: itβs smart, but itβs not bulletproof. Use it with caution and combine it with other tools.
ββββββββββ
π€ When It Makes Sense
Port Knocking is great when you want to:
Hide services like SSH on your VPS or home server.
Prevent automated attacks or scans from detecting open ports.
Allow only specific users to access sensitive systems.
Itβs especially useful for individuals, sysadmins, or developers running personal servers who want something stealthy but simple.
ββββββββββ
π§ Final Thoughts
Port Knocking isnβt magicβbut it feels like it. It adds a layer of invisibility to your network that makes it harder for attackers to even know where to begin.
Itβs not a full security solution on its own, but itβs a powerful little trick to keep your server one step ahead.
Stay hidden, stay safe. π‘
βββββ
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GROUP
DISCORD
Telegram
NSEs
Where Network meets Red Team π―
If you're into PenTesting, Hacking, and Cyber Shenanigans β you're home!
π§ Learn β’ π Hack β’ π§© Quiz β’ π Books β’ π Memes
If you're into PenTesting, Hacking, and Cyber Shenanigans β you're home!
π§ Learn β’ π Hack β’ π§© Quiz β’ π Books β’ π Memes
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π‘ HackerOne Program Watch
π’ Get notified about new & updated programs, scope changes, and bounty tweaks.
β‘οΈ Stay ahead in the bug bounty game.
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β‘οΈ Stay ahead in the bug bounty game.
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β‘οΈ Stay ahead in the bug bounty game.
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Ψ§Ϊ―Ω Ψ¨Ω ΪΩΩΨ¬ ΩΨ§Ϋ ΩΨͺΩΨ±Ϊ© ΩΨ§Ψ±ΩΨ²ΫΪ© ΨΉΩΨ§ΩΩ Ψ―Ψ§Ψ±ΫΨ―
https://cybertalents.com/challenges/network/
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CyberTalents
Network Security Β» CyberTalents
Cyber Talents is a platform that ranks cyber security talents across the globe according to their skills in different cyber security categories through Capture The Flag Contests in order to be hired by recruiters.
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Forwarded from OSCP Exam Resources π©βπ»
Top 5 Things Every Red Teamer Must Master:
1. Initial Access Techniques
π Web entry points, misconfigs, credentialsβexploit like a real attacker.
2. EDR Bypass Methods
π AMSI, ETW, Syscalls, Process Injectionβdefenders can't stop what they can't see.
3. Privilege Escalation
π Abuse misconfigs, token impersonation, UAC bypassβown the system.
4. Lateral Movement & Persistence
π RDP, SMB, WMI, Scheduled Tasksβmove undetected like a ghost.
5. Real-World Infrastructure Simulation
π Build & attack your own labsβtrain like you fight.
1. Initial Access Techniques
π Web entry points, misconfigs, credentialsβexploit like a real attacker.
2. EDR Bypass Methods
π AMSI, ETW, Syscalls, Process Injectionβdefenders can't stop what they can't see.
3. Privilege Escalation
π Abuse misconfigs, token impersonation, UAC bypassβown the system.
4. Lateral Movement & Persistence
π RDP, SMB, WMI, Scheduled Tasksβmove undetected like a ghost.
5. Real-World Infrastructure Simulation
π Build & attack your own labsβtrain like you fight.
π₯7β€1
Google Researchers Use Mach IPC to Uncover Sandbox Escape Vulnerabilities
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GBHackers Security | #1 Globally Trusted Cyber Security News Platform
Google Researchers Use Mach IPC to Uncover Sandbox Escape Vulnerabilities
New sandbox escape vulnerabilities in macOS using an innovative approach that leverages Mach Interprocess Communication (IPC) mechanisms-core components of Appleβs operating system.
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