Trickbot malware now maps victims’ networks using Masscan

The Trickbot malware has been upgraded with a network reconnaissance module designed to survey local networks after infecting a victim’s computer.

This new module, dubbed masrv, uses the open-source masscan tool, a mass port scanner with its own TCP/IP stack and capable of scanning large swaths of the Internet in a matter of minutes.

Trickbot uses the network scanner module to map the victims’ networks and send home information on any devices with open ports.

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Source: Bleeping Computer