#!/bin/bash
# Function to search for SUID/SGID files (a common security concern)
function find_privileged_binaries() {
echo "[*] Searching for SUID/SGID files in common locations..."
# Find files with SUID or SGID permissions
find / -type f -perm /4000 -o -perm /2000 2>/dev/null \
-exec ls -l {} \;
}
find_privileged_binariesCore Applications in Linux Cybersecurity
System Auditing & Hardening
Automating checks for misconfigurations (like SUID files, weak permissions) and applying security baselines.
Log & Incident Response
Using tools like **awk**, **grep**, and **sed** within scripts for real-time parsing and analysis of large log files (syslog, web server access logs).
Network & Port Scanning
Wrapping **nmap** or **netstat** commands to automate vulnerability scanning and network reconnaissance tasks.
File Integrity Monitoring
Scripting daily checksum comparisons (**sha256sum**) on critical system files to detect unauthorized changes.
User/Permission Management
Batch-creating users, enforcing password policies, and automating `chmod`/`chown` for secure file permissions.
Infrastructure as Code (IaC)
Bootstrapping cloud instances, running provisioning scripts, and deploying configuration using **Ansible** or **Terraform** integrations.
My Expertise in Bash & Linux Security
Bash scripting is the bedrock of Linux system administration and security. My proficiency extends beyond simple command execution to creating robust, error-handling scripts using **`set -euo pipefail`** and **`trap`** commands. I use Bash for defensive tasks like automating server compliance checks, performing rootkit hunting with tools like **`chkrootkit`**, and managing firewall rules with **`iptables`**. Offensively, I leverage the shell for post-exploitation reconnaissance, payload delivery, and privilege escalation using common Linux binaries. This deep understanding of native Linux utilities makes my automation powerful, efficient, and discreet.