Uptick in Solarwinds exploit domain flagging

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Uptick in Solarwinds exploit domain flagging

L6 Presenter

Starting early Saturday morning (4/23) we started getting a large number of DNS threat alerts for 3 domains associated with the Solarwinds exploit. These domains are now resolving to multiple Leaseweb IPs (as I recall, they were NX previously). Digging thru the Threat & Vulnerability database, these 3 domains are still flagged, but the other domains associated with the compromise are no longer active in the database. Checking packet dumps, I am seeing many DNS queries for these other domains resolving to the same Leaseweb IPs as well.

 

Is anyone aware of recent changes to these exploit domains? Shouldn't all the domains still be in the threat database?

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