Justin Ibarra
645a0cd67b
* [Rule Tuning] Add timestamp_override field to rules * add tests for lookback and timestamp_override * fix dates and add test to ensure updated > creation
50 lines
1.4 KiB
TOML
50 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2021/01/27"
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maturity = "production"
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updated_date = "2021/02/11"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies modification of the dynamic linker preload shared object (ld.so.preload). Adversaries may execute malicious
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payloads by hijacking the dynamic linker used to load libraries.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License"
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name = "Modification of Dynamic Linker Preload Shared Object"
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references = [
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"https://www.anomali.com/blog/rocke-evolves-its-arsenal-with-a-new-malware-family-written-in-golang",
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]
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risk_score = 47
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rule_id = "717f82c2-7741-4f9b-85b8-d06aeb853f4f"
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severity = "medium"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Privilege Escalation", "Persistence"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:file and not event.type:deletion and file.path:/etc/ld.so.preload
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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 = "T1574"
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name = "Hijack Execution Flow"
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reference = "https://attack.mitre.org/techniques/T1574/"
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[[rule.threat.technique.subtechnique]]
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id = "T1574.006"
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name = "LD_PRELOAD"
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reference = "https://attack.mitre.org/techniques/T1574/006/"
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[rule.threat.tactic]
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id = "TA0004"
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name = "Privilege Escalation"
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reference = "https://attack.mitre.org/tactics/TA0004/"
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