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Offensive Cybersecurity

Personal red team exercises and threat emulation projects.

All exercises were conducted in fully isolated lab environments. No real systems, networks, or individuals were involved.


Projects

February 2026

Full kill-chain simulation of APT29 (Cozy Bear / NOBELIUM) against a fictional Portuguese government organisation (DGSI). Covers the complete Cyber Kill Chain from spearphishing to data exfiltration, with all techniques mapped to MITRE ATT&CK.

TTPs: T1566.002 · T1204.002 · T1071.001 · T1547.001 · T1087.002 · T1018 · T1135 · T1134 · T1003.001 · T1021.002 · T1005 · T1039 · T1041

Tools: Sliver C2 · Metasploit · Gophish · Mimikatz · msfvenom

Result: Full domain compromise in ~3h55m — NT AUTHORITY\SYSTEM on Domain Controller, 5 classified documents exfiltrated.


January 2026

Simulation of APT28 (Fancy Bear) spearphishing technique using a malicious Office document with VBA macro delivering a PowerShell reverse shell. Includes IOC analysis and defensive recommendations.

TTPs: T1566.001 · T1059.001 · T1204.002

Tools: VBA Macros · PowerShell · Metasploit


License

Creative Commons BY-NC-SA 4.0 — Educational use only.


Jorge Moreira · Portfolio · LinkedIn

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Red team exercises and threat emulation projects — APT29 full kill-chain simulation and APT28 spearphishing emulation, mapped to MITRE ATT&CK.

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