5 papers
Benchmarking Large Language Models for IoC Recovery under Adversarial Code Obfuscation and Encryption
Jaime Morales, Sergio Pastrana, Juan Tapiador
Software obfuscation and encryption present persistent challenges for program comprehension and security analysis, particularly when adversaries conceal Indicators of Compromise (I…
Investigating and Comparing Discussion Topics in Multilingual Underground Forums
Mariella Mischinger, Vahid Ghafouri, Sergio Pastrana +1
Underground forums play a crucial role in the criminal ecosystem, facilitating the exchange of knowledge and the trade of illegal tools and services. By analyzing the skills, motiv…
Snorkeling in dark waters: A longitudinal surface exploration of unique Tor Hidden Services (Extended Version)
Alfonso Rodriguez Barredo-Valenzuela, Sergio Pastrana Portillo, Guillermo Suarez-Tangil
The Onion Router (Tor) is a controversial network whose utility is constantly under scrutiny. On the one hand, it allows for anonymous interaction and cooperation of users seeking…
Threat analysis and adversarial model for Smart Grids
Javier Sande RÃos, Jesús Canal Sánchez, Carmen Manzano Hernandez +1
The power grid is a critical infrastructure that allows for the efficient and robust generation, transmission, delivery and consumption of electricity. In the recent years, the phy…
Understanding crypter-as-a-service in a popular underground marketplace
Alejandro de la Cruz, Sergio Pastrana
Crypters are pieces of software whose main goal is to transform a target binary so it can avoid detection from Anti Viruses (AVs from now on) applications. They work similar to pac…