Analytic 1986

Once adversaries have provisioned software on a compromised VPS (ex: for use as a command and control server), internet scans may reveal VPSs that adversaries have compromised. Consider looking for identifiable patterns such as services listening, certificates in use, SSL/TLS negotiation features, or other response artifacts associated with adversary C2 software.^[1],[2],[3]

Much of this activity will take place outside the visibility of the target organization, making detection of this behavior difficult. Detection efforts may be focused on related stages of the adversary lifecycle, such as during Command and Control.

References

1. ThreatConnect. (2020, December 15). Infrastructure Research and Hunting: Boiling the Domain Ocean. Retrieved September 17, 2026.
2. Stephens, A. (2020, July 13). SCANdalous! (External Detection Using Network Scan Data and Automation). Retrieved November 17, 2024.
3. Koczwara, M. (2021, September 7). Hunting Cobalt Strike C2 with Shodan. Retrieved October 12, 2021.

1. Przegląd

1.1 Odwołania

1.2 Zidentyfikowane wymagania

1.3 Powiązane regulacje

2. Zidentyfikowane wymagania

3. Powiązane regulacje

Powiązane zgłoszenia

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