News – February 2021


  • Trickbot malware now maps victims’ networks using Masscan

    February 2, 2021

    The Trickbot malware has been upgraded with a network reconnaissance module designed to survey local networks after infecting a victim’s computer. This new module, dubbed masrv, uses the open-source masscan tool, a mass port scanner with its own TCP/IP stack and capable of scanning large swaths of the Internet in a matter of minutes. Trickbot uses the ...

  • Finding and Decoding Multi-Step Obfuscated Malware

    February 2, 2021

    Recently, in the process of a threat investigation, Trend Micro researchers found an interesting event. A process (nslookup.exe) that tried to connect to a malicious URL that was already blocked by trend Micro solutions. We could have stopped at this point, but searching for the root cause is part of managed detection and response (MDR) — ...

  • This Linux malware is hijacking supercomputers across the globe

    February 2, 2021

    A small but complex malware variant is targeting supercomputers worldwide. Reverse engineered by ESET and described in a blog post on Tuesday, the malware has been traced back to attacks against supercomputers used by a large Asian Internet Service Provider (ISP), a US endpoint security vendor, and a number of privately-held servers, among other targets. The cybersecurity ...

  • SonicWall zero-day exploited in the wild

    February 1, 2021

    Cyber-security firm the NCC Group said on Sunday that it detected active exploitation attempts against a zero-day vulnerability in SonicWall networking devices. Details about the nature of the vulnerability have not been made public to prevent other threat actors from studying it and launching their own attacks. “We’ve seen it used by a single threat actor earlier ...