In Q2 2017, the average share of spam in global email traffic amounted to 56.97%, which was only 1.07 p.p. more than in the previous quarter. One of the most notable events of this quarter – the WannaCry epidemic – did not go unnoticed by spammers: numerous mass mailings contained offers of assistance in combating the ransomware.
In July 2017, during an investigation, suspicious DNS requests were identified in a partnerrsquo;s network.
The source of the queries was a software package produced by NetSarang. Our analysis showed that recent versions of the software had been surreptitiously modified to include an encrypted payload that could be remotely activated by a knowledgeable attacker.
Today, a dangerous new trend is emerging: steganography is increasingly being used by actors creating malware and cyber-espionage tools. Most modern anti-malware solutions provide little, if any, protection from steganography, while any carrier in which a payload can be secretly carried poses a potential threat.
In late 2016, the Kaspersky Lab Industrial Control Systems Cyber Emergency Response Team reported on phishing attacks that were primarily targeting industrial companies from the metallurgy, electric power, construction, engineering and other sectors.
As further research demonstrated, this was just part of a bigger story that began much earlier and is unlikely to end any time soon.