PROJECT 11Offensive Cybersecurity & Vulnerability AssessmentOffensive Security Audit

APEXGUARD PENTEST

Offensive cybersecurity assessment exploiting OWASP Top 10 vulnerabilities with formal hardening.

APEXGUARD // OFFENSIVE PENETRATION TESTING & HARDENING ARCHITECTURE
PTES COMPLIANT AUDIT
PHASE 01: RECON
Nmap Service Mapping

Network enumeration identifying open ports, service banners, and OS fingerprints.

PHASE 02: WEB AUDIT
Burp Suite Intercept

Targeted parameter tampering identifying SQLi and persistent XSS vulnerabilities.

PHASE 03: EXPLOITATION
SUID Privilege Escalation

Leveraged misconfigured sudo binaries to escalate session to full system root access.

PHASE 04: HARDENING
CVSS Remediation

Delivered formal prioritized blueprints covering CSP, input parameterization, and least privilege.

TECH STACK • CORE RUNTIME
Kali LinuxNmapBurp SuiteOWASP Top 10WiresharkMetasploitBashSecurity Auditing
DOMAIN DISCIPLINE
Cybersecurity & Systems
Author: Martin Wassim
VERIFIED INTERFACE ARTIFACTS & ARCHITECTURAL DIAGRAMS
2 visual assets
APEXGUARD PENTEST screenshot 1
Figure 1: APEXGUARD PENTEST — Visual EvidenceVerified Production Asset
APEXGUARD PENTEST screenshot 2
Figure 2: APEXGUARD PENTEST — Visual EvidenceVerified Production Asset
01 / THE PROBLEM BEING SOLVED

Operational & Technical Friction

Production enterprise web systems and cloud applications face persistent automated threats targeting misconfigured endpoints, unvalidated parameters, and weak credential boundaries.

02 / THE ARCHITECTED SOLUTION

Systemized Implementation

Conducted a comprehensive penetration testing assessment following the PTES framework. Systematically mapped attack surfaces, exploited vulnerabilities, achieved root access, and authored an actionable mitigation architecture.

03 / ACTUAL IMPLEMENTATION & WORKFLOW

How It Operates in Production

Conducted in a controlled laboratory environment using Kali Linux, Nmap, Burp Suite Professional, Metasploit, and Wireshark. Mapped network topologies, audited web endpoints, crafted custom injection payloads, and analyzed privilege escalation vectors.

Demonstrated complete multi-stage attack chains: unauthenticated SQL injection leading to database exfiltration, credential cracking, SSH access, and local root escalation via SUID vulnerabilities.

04 / SYSTEM ARCHITECTURE EXPLANATION

Data Flow & Infrastructure

The security assessment systematically moves through external network reconnaissance, web application vulnerability identification, exploitation of input handling weaknesses, privilege escalation to system root, and synthesis into an executive remediation report.

Architectural Highlight: Execution of complete attack chains from passive reconnaissance to SQL injection, authenticated session hijacking, SUID privilege escalation, and CVSS hardening.
05 / KEY ENGINEERING DECISIONS
PTES methodology compliance: Followed structured phases (Pre-engagement, Intelligence Gathering, Threat Modeling, Vulnerability Analysis, Exploitation, Post-Exploitation, Reporting).
CVSS risk scoring: Quantified identified vulnerabilities using Common Vulnerability Scoring System (CVSS v3.1) metrics to assist engineering teams in remediation prioritization.
Defense-in-depth mitigation: Proposed architectural fixes spanning input parameterization, Content Security Policies (CSP), principle of least privilege, and egress network filtering.
06 / CHALLENGES & MITIGATIONS
•Bypassing web application firewall (WAF) filtering with crafted encoding payloads.
•Reconstructing database schemas blind through time-based SQL injection vectors.
07 / VERIFIED CAPABILITIES
Active and passive network reconnaissance utilizing Nmap service and OS fingerprinting
Targeted web application scanning and manual interception via Burp Suite
Exploitation of OWASP Top 10 vulnerabilities (SQLi, Persistent XSS, Command Injection)
Privilege escalation leveraging misconfigured sudo privileges and SUID binaries to achieve root access
Network packet inspection and sensitive credential extraction using Wireshark
Formal CVSS-scored executive audit report with prioritized remediation blueprints