shashank-elastic
e8c54169a4
* Prep for Release 9.1 * Update Patch Version * Update Patch version * Update Patch version
68 lines
1.7 KiB
TOML
68 lines
1.7 KiB
TOML
[metadata]
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bypass_bbr_timing = true
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creation_date = "2023/01/24"
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integration = ["windows", "endpoint", "system"]
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maturity = "production"
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updated_date = "2025/03/20"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = """
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Detects the usage of commonly used system time discovery techniques, which attackers may use during the reconnaissance
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phase after compromising a system.
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"""
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from = "now-9m"
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index = [
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"endgame-*",
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"logs-endpoint.events.process-*",
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"logs-system.security*",
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"logs-windows.*",
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"winlogbeat-*",
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]
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language = "eql"
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license = "Elastic License v2"
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name = "System Time Discovery"
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risk_score = 21
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rule_id = "06568a02-af29-4f20-929c-f3af281e41aa"
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severity = "low"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Discovery",
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"Data Source: Elastic Defend",
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"Data Source: Elastic Endgame",
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"Rule Type: BBR",
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"Data Source: Windows Security Event Logs",
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where host.os.type == "windows" and event.type == "start" and
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(
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(
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(process.name: "net.exe" or (process.name : "net1.exe" and not process.parent.name : "net.exe")) and
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process.args : "time" and not process.args : "/set"
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) or
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(process.name: "w32tm.exe" and process.args: "/tz") or
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(process.name: "tzutil.exe" and process.args: "/g")
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) and not user.id : ("S-1-5-18", "S-1-5-19", "S-1-5-20")
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1124"
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name = "System Time Discovery"
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reference = "https://attack.mitre.org/techniques/T1124/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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