Incidents

Net-Worm.Perl.Santy.a outbreak

Today we received reports about certain sites being defaced. Investigation has shown that a worm which utilizes a vulnerability in phpBB is responsible for this.

Screenshot of defaced website

PhpBB is a very popular software to use for internet boards/forums, so this affects a lot of sites. Therefore we are putting a Red Alert on it.

Currently there is no patch for this problem, only a work-around, which can be found here.

The worm is extra tricky because it replaces asp/php/htm/shtm files with its own code, not only meaning that you might lose data, but also that other sites using the same host get infected.

Net-Worm.Perl.Santy.a outbreak

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Reports

APT trends report Q1 2022

This is our latest summary of advanced persistent threat (APT) activity, focusing on events that we observed during Q1 2022.

Lazarus Trojanized DeFi app for delivering malware

We recently discovered a Trojanized DeFi application that was compiled in November 2021. This application contains a legitimate program called DeFi Wallet that saves and manages a cryptocurrency wallet, but also implants a full-featured backdoor.

MoonBounce: the dark side of UEFI firmware

At the end of 2021, we inspected UEFI firmware that was tampered with to embed a malicious code we dub MoonBounce. In this report we describe how the MoonBounce implant works and how it is connected to APT41.

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