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Home   »   Windows

Analysis: Abuse of Custom Actions in Windows Installer MSI to Run Malicious JavaScript, VBScript, and PowerShell Scripts

  • Posted on:April 23, 2019 at 5:13 am
  • Posted in:Malware
  • Author:
    Trend Micro
0

We recently discovered malicious Microsoft Software Installation (MSI) files that download and execute other files, and could bypass traditional security solutions. Malicious actors can abuse custom actions in these files to execute malicious scripts and drop malware that are either capable of initiating a system shutdown or targeting financial systems located in certain locations.

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Tags: JavaScriptJScriptPowershellVBScriptWindows

Windows App Runs on Mac, Downloads Info Stealer and Adware

  • Posted on:February 11, 2019 at 5:07 am
  • Posted in:Mac, Malware
  • Author:
    Trend Micro
0

We found an EXE application that specifically runs on Mac to download an adware and info stealer, sidestepping built-in protection systems on the platform such as Gatekeeper. We suspect the cybercriminals developing this routine as an evasion technique for damaging infections and attacks in the future as our telemetry showed the highest numbers to be in the UK, Australia, Armenia, Luxembourg, South Africa and the US.

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Tags: adwareappEXEGatekeeperinfo stealerWindows

January Patch Tuesday: First Bulletin of 2019 has Fixes for DHCP and Microsoft Exchange Vulnerabilities

  • Posted on:January 8, 2019 at 10:32 pm
  • Posted in:Vulnerabilities
  • Author:
    Trend Micro
0

Microsoft starts off 2019 relatively smoothly with 49 security patches and two advisories — seven of these vulnerabilities were rated Critical and 40 were Important. Ten of these were disclosed through the Zero Day Initiative (ZDI) program.

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Tags: AdobeMicrosoftpatchWindows

December Patch Tuesday: Year-End Batch Addresses Win32k Elevation of Privilege and Windows DNS Server Vulnerabilities

  • Posted on:December 11, 2018 at 10:30 pm
  • Posted in:Vulnerabilities
  • Author:
    Trend Micro
0

The just-released Patch Tuesday for December includes a fix for the actively exploited Win32k Elevation of Privilege Vulnerability (CVE-2018-8611). The flaw allows an attacker to exploit a bug in the Windows Kernel and run arbitrary code to install programs; view, change, or delete data; or create new accounts with full user rights. It is also pointed out as likely being used with other bugs in targeted attacks.

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Tags: AdobebugsDNSMicrosoftWindows

Perl-Based Shellbot Looks to Target Organizations via C&C

  • Posted on:November 1, 2018 at 12:04 am
  • Posted in:Botnets, Internet of Things, Malware
  • Author:
    Trend Micro Cyber Safety Solutions Team
0

We uncovered an operation of a hacking group, which we’re naming “Outlaw” (translation derived from the Romanian word haiduc, the hacking tool the group primarily uses), involving the use of an IRC bot built with the help of Perl Shellbot. The group distributes the bot by exploiting a common command injection vulnerability on internet of things (IoT) devices and Linux servers. Further research indicates that the threat can also affect Windows-based environments and even Android devices.

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Tags: androidIOTIRC botLinuxWindows
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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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