Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware

28-Mar-2022

A new email phishing campaign has been discovered that employs the strategy of conversation hijacking to distribute the IcedID information-stealing malware onto targeted devices via unpatched and publicly-exposed Microsoft Exchange servers.

The most recent round of assaults, discovered in mid-March 2022, is reported to have targeted businesses in the energy, healthcare, legal, and pharmaceutical industries.

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