{"id":"T1597","name":"Search Closed Sources","url":"https://attack.mitre.org/techniques/T1597","tactics":["reconnaissance"],"platforms":["PRE"],"live":true,"revoked":false,"deprecated":false,"revoked_by":null,"detection_strategies":[{"id":"DET0822","stix_id":"x-mitre-detection-strategy--3f4c871c-9ddb-41da-accd-ff5bcbfe37d4","name":"Detection of Search Closed Sources","url":"https://attack.mitre.org/detectionstrategies/DET0822","analytics":[{"id":"AN1954","stix_id":"x-mitre-analytic--9d36e6e7-9c6c-495c-9431-464fb525c4e8","name":"Analytic 1954","description":"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.\n\nDetection efforts may be focused on related stages of the adversary lifecycle, such as during Initial Access.","url":"https://attack.mitre.org/detectionstrategies/DET0822#AN1954","platforms":["PRE"],"log_source_references":[],"mutable_elements":[],"live":true,"detection_strategies":["DET0822"],"techniques":["T1597"]}],"live":true,"version":"1.0","techniques":["T1597"]}],"sigma_rules":[],"kev_cves":[],"_built":"2026-08-23 05:47 UTC","_attack_version":"19.2","_sigma_commit":"da9bb07d642a2826e89702445d32c795209ec108"}