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Categoria: Malware and Phishing Analysis

computer security, Malware and Phishing Analysis, ransomware, segurancainformatica

Rook ransomware analysis

17 Março, 2022

Rook ransomware is relatively recent, and one of the advantages of this line’s other threats is the multithreading engine that pulverizes the encryption speed during…

Malware, Malware and Phishing Analysis, segurancainformatica

Brazilian trojan impacting Portuguese users and using the same capabilities seen in other Latin American threats

12 Março, 2022

  Introduction A new variant of a Brazilian trojan has impacted Internet end users in Portugal since last month (February 2022). Although there are no…

Malware and Phishing Analysis, Phishing, segurancainformatica

Phishing bancário as a service em Portugal com novo servidor C2

9 Março, 2022

Nos últimos dias foi registada uma nova vaga de phishing a decorrer em Portugal utilizando um novo servidor command and control (C2) geolocalizado no Brasil….

Malware, Malware and Phishing Analysis, segurancainformatica

The hidden C2: Lampion trojan release 212 is on the rise and using a C2 server for two years

26 Fevereiro, 2022

The hidden C2: Lampion trojan release 212 is on the rise and using a C2 server for two years.

Malware and Phishing Analysis, ransomware, segurancainformatica

HelloKitty: The ransomware affecting CD Projekt Red and Cyberpunk 2077

10 Fevereiro, 2022

HelloKitty: The ransomware affecting CD Projekt Red and Cyberpunk 2077

Malware and Phishing Analysis, Phishing, segurancainformatica

Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal

31 Janeiro, 2022

Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal in the last two years.

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.

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    Author – Founder

    pedro tavares

    Pedro Tavares is a professional in the field of information security, Head of Offensive Unit of ArtResilia firm and also working as an Ethical Hacker/Pentester, Malware Researcher and a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.

    In recent years he has invested in the field of information security, exploring and analyzing a wide range of topics, such as pentesting, malware, exploitation, hacking, IoT and security in Active Directory networks.  He is also Freelance Writer and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens. He also launched his GitBook, where he publishes some of his notes entirely online, and took his first steps in podcasting by launching the podcast 'Manhãs em Cibersegurança,' in the Portuguese language."

    Read more here.

    Newsletter

    #0xSI_f33d

    The Portuguese Abuse Open Feed

    si_f33d
    @ VirusTotal offical ingestor

    Add a new phishing / malware campaing into 0xSI_f33d

    Podcast “Manhãs em Cibersegurança”

    Infographic – Threat Report Portugal Q3 & Q4 2022

    si_f33d

    Download [PDF] or [PNG]

    Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal

    clickthebait

    The new maxtrilha trojan is being disseminated and targeting several banks

    maxtrilha

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

    qbot

    A taste of the latest release of QakBot

    qbot

    Javali trojan weaponizing Avira antivirus legitimate injector

    javali

    Anubis Network – The evolution of the Phishing schema

    anubis

    Threat analysis: The emergent URSA trojan impacts many countries using a sophisticated loader

    ursa

    In-depth analysis of a trojan banker impacting Portugal and Brazil

    trojan_portugal_and_Brazil

    Grandoreiro malware May 2020 – Portugal

    The updated Grandoreiro Malware equipped with latenbot-C2 features in Q2 2020 now extended to Portuguese banks

    grandoreiro_portugal_2020

    Brazilian trojan banker is targeting Portuguese users using browser overlay

    predictions

    Trojan Lampion – Portugal

    predictions

    New release of Lampion trojan spreads in Portugal with some improvements on the VBS downloader

    lampion

    Banking Phishing Portugal

    Banking Phishing | Targets Portugal, Spain, Brazil and Chile | From Brazil | Infection process

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