ESET Menace Report H1 2023



Menace Reviews, ESET Analysis

A view of the H1 2023 menace panorama as seen by ESET telemetry and from the attitude of ESET menace detection and analysis specialists

Roman Kováč

ESET Threat Report H1 2023

We’re happy to current the most recent subject of ESET Menace Report, which brings adjustments geared toward making its contents extra partaking and accessible. One notable modification is our new method to knowledge presentation: somewhat than detailing all knowledge adjustments inside every detection class, our intention is to offer extra in-depth analyses of chosen, notable developments. For these in search of a complete overview of the telemetry knowledge associated to every class, we now have included the complete set of charts and figures in a devoted Menace Telemetry part.

One other notable replace is the change in publication frequency, transitioning from triannual to a semiannual launch schedule. On this subject, we concentrate on the highlights of H1 2023, protecting the interval from December 2022 by means of Might 2023. When evaluating this era to H2 2022, we discuss with the timeframe from June 2022 to November 2022.

In H1 2023, we noticed developments highlighting cybercriminals’ exceptional adaptability and relentless pursuit of latest avenues to realize their nefarious targets – be it by means of exploiting vulnerabilities, gaining unauthorized entry, compromising delicate info, or defrauding people. One of many causes for shifts in assault patterns is stricter safety insurance policies launched by Microsoft, significantly on opening macro-enabled information. In a brand new try and bypass these measures, attackers substituted macros with weaponized OneNote information in H1 2023, leveraging the potential of embedding different information immediately into OneNote. In response, Microsoft readjusted, prompting cybercriminals to proceed exploring different intrusion vectors, with intensifying brute-force assaults towards Microsoft SQL servers presumably being one of many examined approaches.

Our telemetry knowledge additionally means that operators of the once-notorious Emotet botnet have struggled to adapt to the shrinking assault floor, presumably indicating {that a} totally different group acquired the botnet. Within the ransomware area, actors more and more reused beforehand leaked supply code to construct new ransomware variants. Whereas this enables amateurs to have interaction in ransomware actions, it additionally allows defenders like us to cowl a broader vary of variants, together with newly rising ones, with a extra generic algorithm and detections.

Though cryptocurrency threats have been steadily declining in our telemetry – not even to be resurrected by the latest improve in bitcoin’s worth – cryptocurrency-related cybercriminal actions proceed to persist, with cryptomining and cryptostealing capabilities more and more included into extra versatile malware strains. This evolution follows a sample noticed up to now, when malware equivalent to keyloggers was initially recognized as a separate menace, however ultimately grew to become a standard functionality of many malware households.

Taking a look at different threats targeted on monetary acquire, we noticed a comeback of so-called sextortion rip-off emails, exploiting folks’s fears associated to their on-line actions, and an alarming progress of misleading Android mortgage apps masquerading as reliable private mortgage providers, profiting from weak people with pressing monetary wants.

I want you an insightful learn.

Comply with ESET analysis on Twitter for normal updates on key developments and prime threats.

To study extra about how menace intelligence can improve the cybersecurity posture of your group, go to the ESET Menace Intelligence web page.


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