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Menace Stories, ESET Analysis
A view of the H1 2023 risk panorama as seen by ESET telemetry and from the attitude of ESET risk detection and analysis specialists
11 Jul 2023
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2 min. learn
We’re happy to current the newest problem of ESET Menace Report, which brings adjustments aimed toward making its contents extra partaking and accessible. One notable modification is our new method to knowledge presentation: slightly 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 problem, we give attention to the highlights of H1 2023, protecting the interval from December 2022 via Could 2023. When evaluating this era to H2 2022, we discuss with the timeframe from June 2022 to November 2022.
In H1 2023, we noticed tendencies highlighting cybercriminals’ outstanding adaptability and relentless pursuit of recent avenues to realize their nefarious targets – be it via exploiting vulnerabilities, gaining unauthorized entry, compromising delicate data, or defrauding people. One of many causes for shifts in assault patterns is stricter safety insurance policies launched by Microsoft, notably 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 straight 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 enviornment, actors more and more reused beforehand leaked supply code to construct new ransomware variants. Whereas this enables amateurs to interact in ransomware actions, it additionally permits 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 integrated into extra versatile malware strains. This evolution follows a sample noticed up to now, when malware reminiscent of keyloggers was initially recognized as a separate risk, however finally grew to become a standard functionality of many malware households.
different threats targeted on monetary achieve, 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 legit private mortgage providers, making the most of weak people with pressing monetary wants.
I want you an insightful learn.
Observe ESET analysis on Twitter for normal updates on key tendencies and high threats.
To be taught extra about how risk intelligence can improve the cybersecurity posture of your group, go to the ESET Menace Intelligence web page.
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