![]() ![]() ![]() Update 9/20: Continued research on C2 and payloads can be found here: There was no analysis performed on the selected addresses beyond that they could be combined to create the destination. The resulting two A record IP addresses were then assigned to the DNS configuration. The remaining 16 random bits were combined with the remaining bits of the destination address to create the second A record. 16 bits of that were combined with 16 bits of the destination address to create the first A record. To control the connections Talos has to create two IPs such that they can be fed into the application to resolve to the sinkhole IP.ģ2 bits of random data were generated. The true destination IP is then computed and connected to. 16 bits of the true destination IP are encoded in the first A record, 16 bits are encoded in the second A recordĤ. Generating a Monthly Domain name (all of which are controlled by Talos for 2017)ģ. The fallback command and control scheme in use by the CCBkdr involves:ġ. Update 9/19: There has been some confusion on how the DGA domains resolve. ![]()
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