TA0043 · RECONNAISSANCE
Search Open Websites/Domains
Adversaries may search freely available websites and/or domains for information about victims that can be used during targeting.
Detect it with
Much of this activity may have a very high occurrence and associated false positive rate, as well as potentially taking place outside the visibility of the target organization, making detection difficult for defenders.
Why it matters on shift
Search Open Websites/Domains is one of the concrete ways adversaries achieve reconnaissance. 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 reconnaissance, the next tactic is usually Resource Development. Search your telemetry for the transition before closing the ticket.
3 sub-techniques
How it shows up in practice
- T1593.001
Social Media
Adversaries may search social media for information about victims that can be used during targeting.
- T1593.002
Search Engines
Adversaries may use search engines to collect information about victims that can be used during targeting.
- T1593.003
Code Repositories
Adversaries may search public code repositories for information about victims that can be used during targeting. Victims may store code in repositories on various third-party websites such as GitHub, GitLab, SourceForge, and BitBucket.
Kill-chain context