Skip to content

Segurança Informática

Tópicos atuais sobre segurança da informação. A segurança informática é da responsabilidade de todos.

  • Breaking News
    • Hacking
    • Internet of Things
    • Data Breach
    • DarkWeb
    • Laws and Regulations
      • GDPR
    • Malware
      • ransomware
    • Reverse Engineering
    • Vulnerability
    • Cybercrime
    • Phishing
    • Reports
    • twitter On Twitter
  • Research
    • Malware and Phishing Analysis
    • Threat Report Portugal
    • GitBook – Read Teaming and Malware
    • Tutorials
    • Awesome Tools
  • youtube_mini_logo Videos
  • spotify_mini_logo Podcast
  • youtube_mini_logo 0xSI_f33d
  • gitbook GitBook
  • Tools
  • Scam Alerts
  • Contact
  • Author
Segurança Informática
  • Breaking News
    • Hacking
    • Internet of Things
    • Data Breach
    • DarkWeb
    • Laws and Regulations
      • GDPR
    • Malware
      • ransomware
    • Reverse Engineering
    • Vulnerability
    • Cybercrime
    • Phishing
    • Reports
    • twitter On Twitter
  • Research
    • Malware and Phishing Analysis
    • Threat Report Portugal
    • GitBook – Read Teaming and Malware
    • Tutorials
    • Awesome Tools
  • youtube_mini_logo Videos
  • spotify_mini_logo Podcast
  • youtube_mini_logo 0xSI_f33d
  • gitbook GitBook
  • Tools
  • Scam Alerts
  • Contact
  • Author

Etiqueta: malware

Cryptocurrency, Malware

Tesla vítima de crypto-jacking

Posted on 20 Fevereiro, 201820 Fevereiro, 2018
arq-tecnica

A companhia de segurança RedLock, reportou na terça-feira, que os hackers tiveram acesso a informações sensíveis da Cloud da Tesla, e isso permitiu-lhes usar poder de processamento para minerar criptomoedas.

Hacking, Malware, vulnerability

Apache CouchDB estende passadeira ao crypto-jacking

Posted on 15 Fevereiro, 201815 Fevereiro, 2018
CouchDB-1

Criptomoedas estão na moda. Com isso, os ataques para mineração ilicita de moedas digitais também tem aumentado descontroladamente — estamos na era do crypto-jacking. A…

computer security, Hacking, Malware

Crypto-jacking continua a ter um forte impacto nas organizações

Posted on 15 Fevereiro, 201815 Fevereiro, 2018
Bitcoin-theft-1

Crypto-jacking continua a ter um forte impacto nas organizações a nível global. Este malware de criptomoedas tem sido avaçalador em 2018. De acordo com um relatório da Check Point’s, as variantes do Coinhive afetaram 23% das organizações durante o mês de janeiro de 2018.

Malware, reverse engineering, vulnerability

Vulnerabilidade zero-day no Telegram

Posted on 13 Fevereiro, 201828 Fevereiro, 2018
Telegram-1-720x462

Em outubro de 2017 foi descoberta uma vulnerabilidade no cliente Windows do Telegram que estava a ser explorada massivamente pelos hackers. A vulnerabilidade diz respeito a um ataque right-to-left override e que acontece quando um utilizador envia p.ex., um ficheiro.

computer security, Malware, vulnerability

Adobe lança patch urgente para evitar hackers da Coreia do Norte

Posted on 7 Fevereiro, 2018
flash-zero-day-vulnerability-patched

Mais vulnerabilidades, mais uma vez, a Adobe. A Adobe apressou-se a lançar mais um patch de segurança não programado, com o objetivo de corrigir duas vulnerabilidades críticas, visto que estavam a ser potencialmente exploradas por hackers norte coreanos.

Cryptocurrency, Malware, Mobile

O worm ADB.Miner está-se a espalhar rapidamente pelos dispositivos Android

Posted on 6 Fevereiro, 20186 Agosto, 2018
local335

Crypto-jacking está na moda. O malware está reencaminhando e comprometendo milhares de dispositivos como forma de minar criptomoedas.

computer security, darkweb, Hacking, Malware

Ransomware-as-a-service russo denominado GandCrab na darkweb

Posted on 4 Fevereiro, 20184 Fevereiro, 2018
GandCrab-ransomware

Especialistas da empresa de segurança LMNTRIX descobriram um novo serviço de ransomware na darkweb denominado como GandCrab.

computer security, Hacking, vulnerability

139 variantes de malware que exploram o Meltdown e Spectre

Posted on 3 Fevereiro, 20183 Fevereiro, 2018
139-malware-samples-identified-that-exploit-meltdown-spectre-flaws-2-768x521

Os hackers podem estar perto de desenvolver malware que explora falhas, sugere uma empresa de segurança alemã.

computer security, Hacking, Malware

Os websites pornográficos são uma mina de ouro para os hackers

Posted on 2 Fevereiro, 2018
180201-hackers-porn-sites-03

A pornografia está a ser usada como isca para um largo número de fraudes projetadas para roubar dinheiro e informações privadas.

computer security, Malware, Mobile

Google deleted more than 700.000 apps from its marketplace

Posted on 1 Fevereiro, 20186 Agosto, 2018
Google-Play

Google published a report on Android security Tuesday, announcing that more than 700,000 apps were removed from Google Play for violating marketplace policies.

computer security, Data Breach, Hacking, Malware

Keylogger campaign infects 2,000 WordPress sites

Posted on 29 Janeiro, 201829 Janeiro, 2018
WP-keylogger

2,000 WordPress sites (possibly more) are infected with a keylogger that’s being loaded on the WordPress backend login page and a crypto jacking script (in-browser cryptocurrency miner) on their frontends.

computer security, Hacking, Malware

Monero crypto miner leveraging Apache Struts vulnerability

Posted on 24 Janeiro, 201823 Janeiro, 2018
monero-miner-virus-image_pt

Cryptocurrency miners have begun using two older and already patched vulnerabilities to compromise servers to mine the Monero digital currency.

computer security, Hacking, Internet of Things, Malware

New botnet approach infects cryptocurrency replacing wallet address

Posted on 24 Janeiro, 201823 Janeiro, 2018
Satori

After gaining control of the coin-mining software, Satori bot replaces the victim wallet address with the malicious address. In this way, the computer mining currency through the address controlled by the attacker.

computer security, Distributed Ledger, Hacking, Malware, segurancainformatica

Crypto-jacking via ARP Poisoning Attack on Wi-Fi Networks

Posted on 12 Janeiro, 201812 Dezembro, 2018
crypto-miner-arp-poisoning

Hackers are using more sophisticated techniques to mine cryptocurrency in an unauthorized manner. They currently using ARP Poisoning to inject malicious code into all web requests on a Wi-Fi network.

computer security, Distributed Ledger, Hacking, segurancainformatica

Hackers are attacking Portuguese websites with crypto-jacking. Are you safe?

Posted on 8 Janeiro, 201829 Janeiro, 2018
dinheirovivo

Crypto jacking detected in Portuguese website. This article refers that Portuguese websites are using this type of resources to mine the cryptocurrency Monero. One of the cases already detected was Dinheiro Vivo, a very well-known Portuguese news website.

computer security, Malware, segurancainformatica

Crypto-jacking again identified in Monero cryptocurrency

Posted on 5 Janeiro, 201829 Janeiro, 2018
PyCryptoMiner

Again crypto-jacking on Monero. PyCryptoMiner is a botnet cryptocurrency-oriented, designed in Python, that uses Pastebin as the source-pool when the C&C server is unavailable. It attacks Linux machines and exploits SSH service via brute-force.

Paginação dos conteúdos

← 1 … 11 12 13 14 →

Search in blog

    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

    Categories

    • APT
    • computer security
    • Cryptocurrency
    • Cryptography
    • Cybercrime
    • darkweb
    • Data Breach
    • Digital Identity
    • Distributed Ledger
    • GDPR
    • Hacking
    • Internet of Things
    • Laws and Regulations
    • Malware
    • Malware and Phishing Analysis
    • Manhãs em Cibersegurança
    • Mobile
    • newsletter
    • Phishing
    • ransomware
    • Reports
    • reverse engineering
    • segurancainformatica
    • Threat Report Portugal
    • tutorials
    • vulnerability

    Social Networks

    youtube_logo



               

    Segurança-Informática

    Partners / Sponsors

    trignosfera

    Tell Us About New Scams Here

    scam

    Support my work

    buymeacoffee



    license

    This work is licensed under a Creative Commons Attribution 4.0 International License. If you have queries about republishing, contact me. Check individual posts and images for licensing details.

    © 2026 Segurança Informática / Powered by WordPress / Theme by Design Lab
    • Research
    • Malware and Phishing Analysis
    • Scam Alerts
    • youtube_mini_logo Youtube
    • youtube_mini_logo 0xSI_f33d
    • Author
    • TERMS AND PRIVACY