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* [New] First Time Seen Elastic Defend Behavior Alert This rule detects Elastic Defend behavior alerts that are observed for the first time today when compared against the previous 7 days of alert history. It highlights low-volume, newly observed alerts tied to a specific detection rule on a single agent, which may indicate early-stage malicious activity or initial execution of suspicious behavior : * Update first_time_seen_elastic_defend_alert.toml * ++ * Update first_time_seen_elastic_defend_alert.toml * ++ * Update fist_time_seen_elastic_detection_rule.toml * Update fist_time_seen_elastic_detection_rule.toml * Update rules/cross-platform/first_time_seen_elastic_defend_alert.toml Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com> * Update rules/cross-platform/fist_time_seen_elastic_detection_rule.toml Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com> * Update rules/cross-platform/fist_time_seen_elastic_detection_rule.toml Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com> * Update fist_time_seen_elastic_detection_rule.toml * Update first_time_seen_elastic_defend_alert.toml * Update rules/cross-platform/first_time_seen_elastic_defend_alert.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update rules/cross-platform/first_time_seen_elastic_defend_alert.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update rules/cross-platform/fist_time_seen_elastic_detection_rule.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update first_time_seen_elastic_defend_alert.toml * Update and rename fist_time_seen_elastic_detection_rule.toml to newly_observed_elastic_detection_rule.toml * Rename first_time_seen_elastic_defend_alert.toml to newly_observed_elastic_defend_alert.toml * Update newly_observed_elastic_defend_alert.toml * Update newly_observed_elastic_detection_rule.toml * Update newly_observed_elastic_defend_alert.toml * Update newly_observed_elastic_detection_rule.toml * Update newly_observed_elastic_defend_alert.toml * Update newly_observed_elastic_detection_rule.toml * Update newly_observed_elastic_detection_rule.toml --------- Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
rules/
Rules within this folder are organized by solution or platform. The structure is flattened out, because nested file hierarchies are hard to navigate and find what you're looking for. Each directory contains several .toml files, and the primary ATT&CK tactic is included in the file name when it's relevant (i.e. windows/execution_via_compiled_html_file.toml)
| folder | description |
|---|---|
. |
Root directory where rules are stored |
apm/ |
Rules that use Application Performance Monitoring (APM) data sources |
cross-platform/ |
Rules that apply to multiple platforms, such as Windows and Linux |
integrations/ |
Rules organized by Fleet integration |
linux/ |
Rules for Linux or other Unix based operating systems |
macos/ |
Rules for macOS |
ml/ |
Rules that use machine learning jobs (ML) |
network/ |
Rules that use network data sources |
promotions/ |
Rules that promote external alerts into detection engine alerts |
windows/ |
Rules for the Microsoft Windows Operating System |
Integration specific rules are stored in the integrations/ directory:
| folder | integration |
|---|---|
aws/ |
Amazon Web Services (AWS) |
azure/ |
Microsoft Azure |
cyberarkpas/ |
Cyber Ark Privileged Access Security |
endpoint/ |
Elastic Endpoint Security |
gcp/ |
Google Cloud Platform (GCP) |
google_workspace/ |
Google Workspace (formerly GSuite) |
o365/ |
Microsoft Office |
okta/ |
Oka |