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Home   »   Author / Nikko Tamaña (Threat Response Engineer)

Nikko Tamaña (Threat Response Engineer)

Threat Response Engineer

File Infectors and ZBOT Team Up, Again

  • Posted on:January 28, 2014
  • Posted in:Malware
  • Posted by:
    Nikko Tamaña (Threat Response Engineer)
0

File infectors and ZBOT don’t usually go together, but we recently saw a case where these two kinds of threats did. This particular file infector – PE_PATNOTE.A (MD5 871246d00caffdbed56b1374975c368e) – appends its code to all executable files on the infected system, like so: Figure 1. Before infection Figure 2. After infection What does this code…

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Tags: file infectorinfostealerZBOTZeuS

Evasive Maneuvers: Another BKDR_VERNOT Malware Spotted

  • Posted on:April 23, 2013
  • Posted in:Malware
  • Posted by:
    Nikko Tamaña (Threat Response Engineer)
0

Evasion is always a goal of cybercriminals. They are not above misusing legitimate sites and services to hide malicious activities. One recent example would be BKDR_VERNOT.A, which tried to use Evernote to hide its activities. Another variant of this malware was recently spotted, but this variant uses a Japanese blogging platform as its command-and-control (C&C)…

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Tags: Malwareservice abusevernot

Backdoor Uses Evernote as Command-and-Control Server

  • Posted on:March 27, 2013
  • Posted in:Malware
  • Posted by:
    Nikko Tamaña (Threat Response Engineer)
1

With its rich functionality and accessibility, Evernote is a popular note-taking tool for its many users. Unfortunately, it may also provide the perfect cover for cybercriminals’ tracks. We recently uncovered a malware that appears to be using Evernote as a communication and control (C&C) server. Detected as BKDR_VERNOT.A, the malware attempts to connect to Evernote…

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Tags: evernote

Security Predictions for 2020

  • Cybersecurity in 2020 will be viewed through many lenses — from differing attacker motivations and cybercriminal arsenal to technological developments and global threat intelligence — only so defenders can keep up with the broad range of threats.
    Read our security predictions for 2020.

Business Process Compromise

  • Attackers are starting to invest in long-term operations that target specific processes enterprises rely on. They scout for vulnerable practices, susceptible systems and operational loopholes that they can leverage or abuse. To learn more, read our Security 101: Business Process Compromise.

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