Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Marcelo H. P. C. Chaves"'
Autor:
Lucas M. Ponce, Matheus Gimpel, Elverton Fazzion, Ítalo Cunha, Cristine Hoepers, Klaus Steding-Jessen, Marcelo H. P. C. Chaves, Dorgival Guedes, Wagner Meira Jr.
Publikováno v:
Anais do XL Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC 2022).
Serviços de monitoramento como o Shodan são cada vez mais populares no rastreamento de aplicações e vulnerabilidades na Internet. Neste artigo caracterizamos e discutimos vulnerabilidades encontradas na Internet brasileira utilizando dados de mon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22ed34fefd1ccd3dc7d4da15819d2833
https://doi.org/10.5753/sbrc.2022.222341
https://doi.org/10.5753/sbrc.2022.222341
Autor:
Heitor Damasceno, Vitor Freire, Welton Santos, Elverton Fazzion, Osvaldo Fonseca, Ítalo Cunha, Cristine Hoepers, Klaus Steding-Jessen, Marcelo H. P. C. Chaves, Dorgival Guedes, Wagner Meira Jr.
Publikováno v:
Anais do XXXIX Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC 2021).
Campanhas de phishing frequentemente utilizam páginas Web que imitam páginas legítimas para enganar as vítimas. Apesar dos esforços da comunidade científica em combater essa atividade, o phishing fica cada vez mais sofisticado e continua faz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30057f299e119d473f425f9a2e6cde56
https://doi.org/10.5753/sbrc.2021.16734
https://doi.org/10.5753/sbrc.2021.16734
Autor:
Marcelo H. P. C. Chaves, Elverton Fazzion, Dorgival Guedes, Cristine Hoepers, Wagner Meira, Osvaldo Fonseca, Italo Cunha, Klaus Steding-Jessen, Welton Santos
Publikováno v:
Anais do XIX Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2019).
Despite advances in prevention and mitigation mechanisms, phishing remains a threat. One reason for this is that phishers continuously improve their techniques. In this paper we study and characterize one of these improvements: phishers' use of redir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cbd8c11ebf7e6fc7584a874b51453d6
https://doi.org/10.5753/sbseg.2019.13970
https://doi.org/10.5753/sbseg.2019.13970
Identificação Automática de Servidores C&C e Identificação de Variantes de Malwares Bashlite e Mirai
Autor:
Gabriel Bastos, Artur Marzano, Osvaldo Fonseca, Ítalo Cunha, Elverton Fazzion, Marcelo H. P. C. Chaves, Cristine Hoepers, Klaus Steding-Jessen, Dorgival Guedes, Wagner Meira Jr.
Publikováno v:
SBRC
A Internet das Coisas apresenta uma grande quantidade de dispositivos distribuidos ao redor do mundo, e o baixo padrao de seguranca de parte desses dispositivos tem sido explorado por agentes maliciosos para compor botnets. O impacto dessas botnets p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45c42066c819500b988e14ba767685e5
https://doi.org/10.5753/sbrc.2019.7398
https://doi.org/10.5753/sbrc.2019.7398
Autor:
Marcelo H. P. C. Chaves, Elverton Fazzion, Klaus Steding-Jessen, Dorgival Guedes, Cristine Hoepers, Pedro Las-Casas, Italo Cunha, Osvaldo Fonseca, Wagner Meira
Publikováno v:
IEEE Internet Computing. 20:16-24
Spam messages propagate malware, disseminate phishing exploits, and advertise illegal products. Those messages generate costs for users and network operators, but it's difficult to measure the costs associated with spam traffic and determine who actu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31f6632d2bc6f1161c82fad30fe7abce
https://doi.org/10.1109/mic.2016.53
https://doi.org/10.1109/mic.2016.53
Autor:
Wagner Meira, Klaus Steding Jessen, Pedro Henrique B. Las Casas, Marcelo H. P. C. Chaves, Elverton Fazzion, Dorgival Guedes, Cristine Hoepers, Osvaldo Fonseca
Publikováno v:
IEEE Latin America Transactions. 14:2987-2996
In 2012, estimates indicated that 68.8% of all e-mail traffic was spam, what suggests this is still a relevant problem. Recently, some works have focused on the analysis of spam's traffic inside the network, analyzing the protocols used and the AS wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::771e8bad86416a9faf01ffdcafb16403
https://doi.org/10.1109/tla.2016.7555286
https://doi.org/10.1109/tla.2016.7555286
Autor:
Marcelo H. P. C. Chaves, Artur Marzano, Elverton Fazzion, Dorgival Guedes, Cristine Hoepers, David Alexander, Italo Cunha, Klaus Steding-Jessen, Osvaldo Fonseca, Wagner Meira
Publikováno v:
ISCC
Vulnerable IoT devices are powerful platforms for building botnets that cause billion-dollar losses every year. In this work, we study Bashlite botnets and their successors, Mirai botnets. In particular, we focus on the evolution of the malware as we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::871104d42dec33f7cfc1a60bb6809a03
https://doi.org/10.1109/iscc.2018.8538636
https://doi.org/10.1109/iscc.2018.8538636
Autor:
Artur Marzano, David Alexander, Elverton Fazzion, Osvaldo Fonseca, Ítalo Cunha, Cristine Hoepers, Klaus Steding-Jessen, Marcelo H. P. C. Chaves, Dorgival Guedes, Wagner Meira Jr.
Publikováno v:
Anais do XXXVI Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC 2018).
O uso de botnets, redes formadas por dispositivos infectados por malware, para atividades maliciosas como ataques de negação de serviço e phishing gera prejuízos da ordem de bilhões de dólares todo ano. O crescimento da Internet das Coisas, com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14d9bd5b350dbc8dc8c061f78819f2fe
https://doi.org/10.5753/sbrc.2018.2479
https://doi.org/10.5753/sbrc.2018.2479
Autor:
Wagner Meira, Pedro Las-Casas, Osvaldo Fonseca, Marcelo H. P. C. Chaves, Elverton Fazzion, Klaus Steding-Jessen, Dorgival Guedes, Cristine Hoepers
Publikováno v:
Journal of Internet Services and Applications. 6
Despite the continuous efforts to mitigate spam, the volume of such messages continues to grow and identifying spammers is still a challenge. Spam traffic analysis is an important tool in this context, allowing network administrators to understand th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73aa6ac8864fe8697f063d399d8543aa
https://doi.org/10.1186/s13174-015-0025-5
https://doi.org/10.1186/s13174-015-0025-5
Autor:
Pedro Las-Casas, Marcelo H. P. C. Chaves, Elverton Fazzion, Dorgival Guedes, Cristine Hoepers, Italo Cunha, Klaus Steding-Jessen, Wagner Meira, Osvaldo Fonseca
Publikováno v:
SBRC
Spam messages are used to disseminate malware, make phishing attacks, and advertise illegal products. Spam generates costs to users, e.g., victims of phishing, and to network administrators, e.g., who provision and pay for the traffic. Recent proposa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e8cd3911b3f8fcbcd1abdbf9df9bf0c
https://doi.org/10.1109/sbrc.2015.16
https://doi.org/10.1109/sbrc.2015.16