diff --git a/rules_building_block/defense_evasion_masquerading_communication_apps.toml b/rules/windows/defense_evasion_masquerading_communication_apps.toml similarity index 95% rename from rules_building_block/defense_evasion_masquerading_communication_apps.toml rename to rules/windows/defense_evasion_masquerading_communication_apps.toml index fe0a3313f..aac5dce5c 100644 --- a/rules_building_block/defense_evasion_masquerading_communication_apps.toml +++ b/rules/windows/defense_evasion_masquerading_communication_apps.toml @@ -5,7 +5,6 @@ maturity = "production" min_stack_comments = "New fields added: required_fields, related_integrations, setup" min_stack_version = "8.3.0" updated_date = "2023/10/13" -bypass_bbr_timing = true [rule] author = ["Elastic"] @@ -18,12 +17,11 @@ index = ["logs-endpoint.events.*"] language = "eql" license = "Elastic License v2" name = "Potential Masquerading as Communication Apps" -risk_score = 21 +risk_score = 47 rule_id = "c9482bfa-a553-4226-8ea2-4959bd4f7923" -severity = "low" -tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Tactic: Persistence", "Rule Type: BBR", "Data Source: Elastic Defend"] +severity = "medium" +tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Defend"] timestamp_override = "event.ingested" -building_block_type = "default" type = "eql" query = '''