Justin Ibarra
60 lines
1.8 KiB
TOML
60 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2020/11/20"
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maturity = "production"
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updated_date = "2021/05/10"
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[rule]
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author = ["Elastic"]
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description = "Identifies remote scheduled task creations on a target host. This could be indicative of adversary lateral movement."
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Remote Scheduled Task Creation"
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note = """## Triage and analysis
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Decode the base64 encoded tasks actions registry value to investigate the task configured action."""
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risk_score = 47
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rule_id = "954ee7c8-5437-49ae-b2d6-2960883898e9"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
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type = "eql"
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query = '''
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/* Task Scheduler service incoming connection followed by TaskCache registry modification */
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sequence by host.id, process.entity_id with maxspan = 1m
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[network where process.name : "svchost.exe" and
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network.direction == "incoming" and source.port >= 49152 and destination.port >= 49152 and
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source.address != "127.0.0.1" and source.address != "::1"
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]
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[registry where registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\*\\Actions"]
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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 = "T1021"
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name = "Remote Services"
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reference = "https://attack.mitre.org/techniques/T1021/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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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 = "T1053"
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name = "Scheduled Task/Job"
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reference = "https://attack.mitre.org/techniques/T1053/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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