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[Rule Tuning] Suspicious AWS S3 Connection via Script Interpreter #6165

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[Rule Tuning] Suspicious AWS S3 Connection via Script Interpreter #6165

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[Rule Tuning] Suspicious AWS S3 Connection via Script Interpreter
shashank-elastic May 19, 2026
2049c54
Add xcode path
shashank-elastic May 19, 2026
a88155b
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shashank-elastic May 21, 2026
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20 changes: 10 additions & 10 deletions rules/macos/command_and_control_aws_s3_connection_via_script.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
creation_date = "2026/01/30"
integration = ["endpoint"]
maturity = "production"
updated_date = "2026/03/24"
updated_date = "2026/05/19"

[rule]
author = ["Elastic"]
Expand Down Expand Up @@ -60,19 +60,19 @@ tags = [
]
type = "esql"
query = '''
FROM logs-endpoint.events.network-*
FROM logs-endpoint.events.network-*
| WHERE host.os.type == "macos"
AND event.type == "start"
AND event.type == "start"
AND (process.name == "osascript"
OR process.name == "node"
OR process.name LIKE "python*")
OR process.name == "node"
OR process.name LIKE "python*")
AND (destination.domain LIKE "s3.*.amazonaws.com"
OR destination.domain LIKE "*.s3*.amazonaws.com"
OR destination.domain LIKE "*.cloudfront.net")
OR destination.domain LIKE "*.s3*.amazonaws.com"
OR destination.domain LIKE "*.cloudfront.net")
| STATS Esql.connection_count = COUNT(*)
BY process.executable, user.name, host.name, destination.domain
| WHERE Esql.connection_count >= 5
| KEEP Esql.*, process.executable, user.name, host.name, destination.domain
BY process.entity_id, process.executable, user.name, host.name, destination.domain
| WHERE Esql.connection_count >= 20
| KEEP Esql.*, process.entity_id, process.executable, user.name, host.name, destination.domain
'''

[[rule.threat]]
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