Hajime, an IoT malware strain discovered last October, appears to be the work of a vigilante who has set out to take over and neutralize as many smart devices as possible before other botnets like Mirai can get ahold of them. While Hajime was first observed last year, it only recently became apparent to researchers that the author of this malware had no intention of using infected devices for evil. When it was discovered last October, Hajime only came with a self-replication module that allowed it to spread from IoT device to IoT device via open and unsecured Telnet ports.
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ORIGINAL SOURCE: Bleeping Computer