Arquivo de Malware and Phishing Analysis

Malware, Malware and Phishing Analysis, ransomware, segurancainformatica

Malware analysis: Details on LockBit ransomware

5 Outubro, 2021

Introduction LockBit is a data encryption malware in operation since September 2019 and a recent Ransomware-as-a-Service (RaaS), in which developers are in charge of the payment site…

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

The new maxtrilha trojan is being disseminated and targeting several banks

10 Setembro, 2021

A new banking trojan dubbed maxtrilha (due to its encryption key) has been discovered in the last few days and targeting customers of European and…

Malware, Malware and Phishing Analysis, ransomware, reverse engineering, segurancainformatica

Netwalker ransomware full analysis

3 Setembro, 2021

Netwalker is a data encryption malware that represents an evolution of the well-known Kokoklock ransomware and has been active since September 2019. This article will detail the specific technical features of the Netwalker ransomware. We will analyze what Netwalker is, how it works, and how you can avoid falling victim to this threat.

Malware and Phishing Analysis, Phishing, segurancainformatica

Phishing+Telegram: Solicitação de reembolso da Autoridade Tributária?

31 Agosto, 2021

Phishing+Telegram: Solicitação de reembolso da Autoridade Tributária?

Malware and Phishing Analysis, Phishing, segurancainformatica

Fraude personificando a marca Continente espalha-se através do WhatsApp: Não se deixe enganar!

27 Agosto, 2021

Nos últimos dias, uma nova campanha fraudulenta personificando a marca Continente tem atingido os utilizadores portugueses. A campanha tem a capacidade de se auto-propagar via WhatsApp.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

Ragnar Locker – Malware analysis

19 Agosto, 2021

Ragnar Locker is ransomware that affects devices running Microsoft Windows operating systems. It was initially observed towards the end of December 2019 as part of a series of attacks against compromised networks.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

Secrets behind the Lazarus’s VHD ransomware

17 Agosto, 2021

Data encryption malware is one of the most popular malware families in recent years and targets mass volumes of users and companies around the world. In this article, we will take a deep dive into a new VHD ransomware distributed in the wild by the Lazarus group — the criminals behind the WannaCry incident in 2017.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal

5 Agosto, 2021

The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal.

Malware and Phishing Analysis, Phishing, segurancainformatica

A new month of phishing and Google’s trigger to bypass detection

2 Agosto, 2021

A new month, a new wave of phishing. Learn here about the email templates recently used by crooks in Portugal and the new trick to bypass detection.

Malware and Phishing Analysis, Phishing, segurancainformatica

Cuidado com as fraudes bancárias dos últimos dias: Detetar e proteger-se

9 Julho, 2021

Cuidado com as fraudes bancárias dos últimos dias: Detetar e proteger-se contra esta ameaça.

Cybercrime, Malware and Phishing Analysis, Phishing, segurancainformatica

É phishing? Como os burlões estão a usar os seus dados em campanhas maliciosas

5 Julho, 2021

É phishing? Neste artigo são compiladas algumas campanhas de phishing a decorrer, e como os burlões estão a usar os seus dados pessoais na disseminação dessas campanhas para simplesmente o “confundir”.

Malware and Phishing Analysis, Phishing, segurancainformatica

Phishing bancário em andamento e tirando partido de falhas open-redirect do Google para evitar deteção

15 Junho, 2021

Phishing bancário em andamento em Portugal e tirando partido de falhas conhecidas como open-redirect em portais de sistemas legítimos do Google para evitar a sua deteção.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica