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TA0007 · DISCOVERY

Email Account

T1087.003Sub-technique of Account DiscoveryWindows · Office Suiteattack.mitre.org

Adversaries may attempt to get a listing of email addresses and accounts. Adversaries may try to dump Exchange address lists such as global address lists (GALs).

Detect it with

System and network discovery techniques normally occur throughout an operation as an adversary learns the environment.

Why it matters on shift

Email Account is one of the concrete ways adversaries achieve discovery. 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 discovery, the next tactic is usually Lateral Movement. Search your telemetry for the transition before closing the ticket.

Kill-chain context

← beforeCredential AccessDiscoveryafter →Lateral Movement