‘LightNeuron’ backdoor receives secret commands via Microsoft Exchange email servers; Russian link suspected

Researchers have uncovered what they say is the very first malware to achieve persistence in Microsoft Exchange email servers, which allows attackers to secretly execute commands via malicious emails featuring attachments with hidden code. Dubbed LightNeuron, the furtive backdoor has been targeting Exchange servers since at least 2014, according to a blog post from ESET, … Continue reading ‘LightNeuron’ backdoor receives secret commands via Microsoft Exchange email servers; Russian link suspected