Microsoft details “incredible effort” to hide by SolarWinds hackers – iTnews

The hackers behind the high-profile SolarWinds attacks went to extraordinary lengths to avoid detection, research by Microsoft security analysts shows.
Based on their Sunburst – or as Microsoft calls it, Solorigate – backdoor staying dormant for at at least two weeks, the attackers painstakingly selected targets and built unique Cobalt Strike network penetration tools for each victim system for a month or so, Microsoft researchers said.
During that time, the hackers also established their command…

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