diff --git a/detections/cloud/gsuite_drive_share_in_external_email.yml b/detections/cloud/gsuite_drive_share_in_external_email.yml index c16c37aed1..7c41ce7785 100644 --- a/detections/cloud/gsuite_drive_share_in_external_email.yml +++ b/detections/cloud/gsuite_drive_share_in_external_email.yml @@ -25,7 +25,7 @@ references: tags: analytic_story: - DevSecOps - confidence: 30 + confidence: 90 context: - Source:Endpoint - Stage:Reconnaissance @@ -33,7 +33,7 @@ tags: - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1567.002/gsuite_share_drive/gdrive_share_external.log deployments: - Send to Phantom - impact: 30 + impact: 80 kill_chain_phases: - Exfiltration message: suspicious share gdrive from $parameters.owner$ to $email$ namely as $parameters.doc_title$ @@ -62,5 +62,5 @@ tags: - parameters.visibility - parameters.owner - parameters.doc_type - risk_score: 9 + risk_score: 72 security_domain: endpoint diff --git a/detections/cloud/gsuite_suspicious_shared_file_name.yml b/detections/cloud/gsuite_suspicious_shared_file_name.yml index 9611d6f915..86acf66daa 100644 --- a/detections/cloud/gsuite_suspicious_shared_file_name.yml +++ b/detections/cloud/gsuite_suspicious_shared_file_name.yml @@ -19,7 +19,7 @@ search: '`gsuite_drive` parameters.owner_is_team_drive=false "parameters.doc_tit field=parameters.target_user "[^@]+@(?[^@]+)" | where not source_domain="internal_test_email.com" and dest_domain="internal_test_email.com" | eval phase="plan" | eval severity="low" | stats count min(_time) as firstTime max(_time) as lastTime by email parameters.owner parameters.target_user parameters.doc_title - parameters.doc_type phase severity | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` + parameters.doc_type phase severity | rename parameters.target_user AS user | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `gsuite_suspicious_shared_file_name_filter`' how_to_implement: To successfully implement this search, you need to be ingesting logs related to gsuite having the file attachment metadata like file type, file @@ -33,7 +33,7 @@ tags: analytic_story: - DevSecOps automated_detection_testing: passed - confidence: 30 + confidence: 70 context: - Source:Endpoint - Stage:Reconnaissance @@ -68,5 +68,5 @@ tags: - parameters.visibility - parameters.owner - parameters.doc_type - risk_score: 9 + risk_score: 21 security_domain: endpoint