[Tuning] event.action and event.type change (#3495)
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Removed changes from:
- rules/linux/discovery_process_capabilities.toml
- rules/linux/privilege_escalation_enlightenment_window_manager.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_elevation.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_netcon.toml
- rules/linux/privilege_escalation_suspicious_chown_fowner_elevation.toml
- rules/linux/privilege_escalation_suspicious_uid_guid_elevation.toml
- rules_building_block/discovery_capnetraw_capability.toml
- rules_building_block/persistence_cap_sys_admin_added_to_new_binary.toml
(selectively cherry picked from commit 9f8638a004)
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@@ -4,7 +4,7 @@ integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/10/19"
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updated_date = "2024/03/08"
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[rule]
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author = ["Elastic"]
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@@ -53,7 +53,7 @@ tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic:
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type = "eql"
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query = '''
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sequence by host.id, process.entity_id with maxspan=1s
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[process where host.os.type == "linux" and event.action == "exec" and event.type == "start" and
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[process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
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process.args : "import os;os.set?id(0);os.system(*)" and process.args : "*python*" and user.id != "0"]
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[process where host.os.type == "linux" and event.action in ("uid_change", "gid_change") and event.type == "change" and
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(user.id == "0" or group.id == "0")]
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