Email spoofing: how attackers impersonate legitimate senders
This article analyzes different ways of the spoofing email addresses through changing the From header, which provides information about the sender’s name and address.
Kaspersky solutions blocked 666,809,967 attacks launched from online resources in various countries across the world, 173,335,902 unique URLs were recognized as malicious by Web Anti-Virus.
A newly discovered rootkit that we dub ‘Moriya’ is used by an unknown actor to deploy passive backdoors on public facing servers, facilitating the creation of a covert C&C communication channel through which they can be silently controlled. The victims are located in Africa, South and South-East Asia.
This report highlights significant events related to advanced persistent threat (APT) activity observed in Q1 2021. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published and discussed in greater detail in our private APT reports.
The investigation described in this article started with one such file which caught our attention due to the various improvements it brought to this well-known infection vector.
A41APT is a long-running campaign with activities detected from March 2019 to the end of December 2020. Most of the discovered malware families are fileless malware and they have not been seen before.