Aside from utilizing Hangul half-width and full-width characters to hide malicious code in a blank space that could be retrieved using a 'get()trap' JavaScript proxy, threat actors have also adopted base64 encoding and anit-debugging measures to further bypass analysis and detection systems, according to a report from Juniper Networks.
Malicious device-linking QR codes have not only been added to phishing pages or spread via group invite links but also leveraged in close-access attacks, as conducted by the Sandworm operation, a report from Mandiant revealed.
Insight Partners disclosed immediately acting to contain and remediate the breach of some of its systems upon its discovery on Jan. 16, adding that an investigation has revealed no evidence suggesting persistent access to the impacted systems while dismissing the occurrence of further disruptions as a result of the incident.
Intrusions with Astaroth involve the distribution of malicious links redirecting to a seemingly legitimate website luring targets into providing their login credentials, which are later pilfered, an analysis from SlashNext revealed.
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