T1650 Acquire Access
Adversaries may purchase or otherwise acquire an existing access to a target system or network. A variety of online services and initial access broker networks are available to sell access to previously compromised systems.(Citation: Microsoft Ransomware as a Service)(Citation: CrowdStrike Access Brokers)(Citation: Krebs Access Brokers Fortune 500) In some cases, adversary groups may form…
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Sigma rules to hunt it
SigmaHQ has no rules for this technique.
Rules from SigmaHQ · Detection Rule License 1.1. Technique from MITRE ATT&CK®.