T1568.003Command and Control
DNS Calculation
Adversaries may perform calculations on addresses returned in DNS results to determine which port and IP address to use for command and control, rather than relying on a predetermined port number or the actual returned IP address. A IP and/or port number calculation can be used to bypass egress filtering on a C2 channel. One implementation of DNS Calculation is to take the first three octets of…
CVEs0
In CISA KEVThe US Cybersecurity and Infrastructure Security Agency’s list of Known Exploited Vulnerabilities. A CVE is added when CISA has evidence that attackers are using it.0
Reports0
CVEs linked to DNS Calculation
0 CVEs, by priority. Each link shows its badge.No CVEs are linked to this technique yet.