Performs Kerberoasting (MITRE ATT&CK T1558.003) using Impacket's GetUserSPNs.py to request Kerberos TGS tickets for SPN-registered service accounts, then cracks the extracted RC4/AES-encrypted hashes offline to recover service account credentials. Use during authorized Active Directory penetration tests or red-team engagements for credential access against service accounts via Kerberos ticket-granting-service requests.