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Etiqueta: Linux

Hacking, vulnerability

Nova falha no SUDO (Baron Samedit) permite escalar privilégios no Linux para root

27 Janeiro, 2021
Linux-kernel-vulnerability

Nova falha no SUDO (Baron Samedit) permite escalar privilégios no Linux para root.

computer security

Kali Linux 2020.2 – Powershell by default, novos pacotes, temas e muito mais

14 Maio, 2020

Kali Linux 2020.2 – Powershell by default, novos pacotes, temas e muito mais.

vulnerability

Linux 2.6 a 4.20.11 vulnerável a uma falha use-after-free

21 Fevereiro, 2019
Linux-kernel-vulnerability

Linux 2.6 a 4.20.11 vulnerável a uma falha use-after-free.

Hacking

Hackers desfiguraram Linux.org via DNS hijack

10 Dezembro, 2018
linux.org-community-defacement

O hackers desfiguraram o website do Linux.org através de DNS hijack.

Hacking, vulnerability

Utilizadores do Linux sem privilégios de root mas com UID> INT_MAX podem executar qualquer comando

6 Dezembro, 2018
UID_INT_MAX

Utilizadores do Linux sem privilégios de root mas com UID> INT_MAX podem executar qualquer comando.

Cryptocurrency, Malware

Trojan no Linux pode desativar o antivírus e roubar passwords root

27 Novembro, 2018
linux-kernel-hacking

Trojan no Linux pode desativar o antivírus e roubar passwords root.

Cryptocurrency, Malware

Cryptocurrency miner leverages rootkit to infect victims devices

11 Novembro, 2018
cryptocurrency-miner-rootkit-3

Crooks are infecting user’s devices via a cryptocurrency miner leveraging rootkit to bypass detection mechanisms.

computer security, Malware

Cryptominer encontrado no Ubuntu Snap Store

14 Maio, 2018
2048buntu-game-ubuntu-snap-store

Um utilizadordo Ubuntu, apelidado no GitHub como “Tarwirdur” descobriu um malware alojado no código-fonte de um pacote de snap do Ubuntu, e disponível no Ubuntu…

computer security

Kali Linux lança versão 2018.2

9 Maio, 2018
kali-release

Os developers do projeto Kali Linux partilharam no último dia 30 de abril, a mais recente distribuição do sistema operativo Kali Linux — versão 2018.2.

vulnerability

Linux Beep exposto a várias vulnerabilidades

10 Abril, 2018
holey-beep

Os investigadores descobriram várias vulnerabilidades na ferramenta Beep, uma ferramenta open-source de linha de comando do Linux. Alguns especialistas sugerem mesmo remover a ferramenta das distros Linux.

computer security

Kali Linux no Windows 10 nativamente

7 Março, 2018

Parece mesmo uma piada mas é mesmo verdade, a distribuição Kali Linux está disponível para download na App Store oficial da Microsoft para Windows 10.

computer security, vulnerability

Good news and bad news about Meltdown and Spectre in new Linux kernel

29 Janeiro, 2018
linux-kernel-hacking

A new version of Linux kernel (4.15) has been released, nonetheless, more work is needed to be done security problems related to Meltdown and Spectre…

computer security, Hacking, segurancainformatica, tutorials

Building a Massive XSS Scanner Tool

17 Junho, 2015

Sumário / Summary Este artigo apresenta algumas linhas relativas a ataques do tipo Cross-site Scripting (XSS). Este é um ataque bastante severo e bem presente…

segurancainformatica

Essentials on Automation Tests

31 Maio, 2015

  Introdução / Introduction Hoje em dia são enumeras as empresas a acoplar muito do seu esforço numa abordagem mais faseada e efetiva no contexto…

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    Author – Founder

    pedro tavares

    Pedro Tavares is a professional in the field of information security working as an Ethical Hacker/Pentester, Malware Researcher and also 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 (Kali Linux), malware, exploitation, hacking, IoT and security in Active Directory networks.  He is also Freelance Writer (Infosec. Resources Institute and Cyber Defense Magazine) and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens.

    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

    Infographic – Threat Report Portugal Q2 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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