TA0006 · CREDENTIAL ACCESS
Password Spraying
Adversaries may use a single or small list of commonly used passwords against many different accounts to attempt to acquire valid account credentials. Password spraying uses one password (e.g.
Detect it with
Monitor authentication logs for system and application login failures of Valid Accounts. Specifically, monitor for many failed authentication attempts across various accounts that may result from password spraying attempts.
Why it matters on shift
Password Spraying is one of the concrete ways adversaries achieve credential access. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.
What to look for next
After credential access, the next tactic is usually Discovery. Search your telemetry for the transition before closing the ticket.
Kill-chain context