Stack Overflows for Beginners — Level 5
Welcome again to the Stack Overflows for Beginners series! In this post, we continue with the Level 5 binary and work on exploiting it to get the next flag...
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March 3, 2025
Target Identified, Location Unknown
A criminal network leader known as "Phantom" has been identified through financial intelligence. Multiple agencies have confirmed his identity, but all attempts to locate him have failed. He hasn't used traceable communication in over two years.
HUMINT
March 18, 2025
Associate's Social Media Discovered
Investigators identify Phantom's girlfriend through HUMINT sources. Her Instagram account is active and public. She posts travel photos and restaurant check-ins regularly, unaware of the investigation.
SOCMINT
April 2, 2025
GeoInt Identifies the City
A vacation photo she posted shows a distinctive rooftop terrace. The image is fed into GeoInt AI engine. Within seconds, the platform identifies the location as a coastal district in Dubrovnik, Croatia with 94% confidence.
GEOINT
April 5, 2025
Network Intelligence Confirms Safe House
Using GeoInt's addon ecosystem, analysts cross-reference the identified area with the right intelligence modules — confirming a match on the same rooftop. The building is verified as a rented property under a known alias.
SIGINT
April 8, 2025
Surveillance Team Deployed
Based on GeoInt intelligence package, a joint task force deploys a surveillance team to the identified location. Street View data confirms ingress and egress points. The suspect is observed entering the building at 22:14 local time.
SURVEILLANCE
April 10, 2025
Operation Success — Suspect Apprehended
Coordinated arrest operation executed at dawn. "Phantom" is taken into custody without incident. The entire investigation — from a single photo to an arrest — took 38 days. GeoInt provided the critical breakthrough that human analysts couldn't achieve alone.
CASE CLOSED