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Home   »   Author / Jayronn Christian Bucu (Senior Research Engineer)

Jayronn Christian Bucu

Senior Research Engineer

Windows XP/Server 2003 Zero-Day Payload Uses Multiple Anti-Analysis Techniques

  • Posted on:December 2, 2013
  • Posted in:Exploits, Malware
  • Posted by:
    Jayronn Christian Bucu (Senior Research Engineer)
0

Several days ago, Microsoft released a security advisory disclosing a new zero-day vulnerability in older versions of Windows. It was reported that it was being abused by a malicious PDF file (TROJ_PIDIEF.GUD) to deliver a backdoor (BKDR_TAVDIG.GUD) onto affected systems in “limited, targeted attacks.” We independently obtained samples of the backdoor, which is the final…

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Tags: 0-daybackdoorServer 2003vulnerabilityWindows XPzero day

JPEG Files Used For Targeted Attack Malware

  • Posted on:November 29, 2013
  • Posted in:Malware
  • Posted by:
    Jayronn Christian Bucu (Senior Research Engineer)
1

We recently came across some malware of the SOGOMOT and MIRYAGO families that update themselves in an unusual way: they download JPEG files that contain encrypted configuration files/binaries. Not only that, we believe that this activity has been ongoing since at least the middle of 2010. A notable detail of the malware we came across…

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Tags: malware updateMIRYAGOSOGOMOTTargeted Attack

EvilGrab Malware Family Used In Targeted Attacks In Asia

  • Posted on:September 18, 2013
  • Posted in:Malware, Targeted Attacks
  • Posted by:
    Jayronn Christian Bucu (Senior Research Engineer)
0

Recently, we spotted a new malware family that was being used in targeted attacks – the EvilGrab malware family. It is called EvilGrab due to its behavior of grabbing audio, video, and screenshots from affected machines. We detect EvilGrab under the following malware families: BKDR_HGDER BKDR_EVILOGE BKDR_NVICM Looking into the feedback provided by the Smart…

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Tags: APTsbackdoorEvilGrabMalwarespear phishingtargeted attacksTencent QQ

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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