Ruben Groenewoud
1636a8ffea
* [New Rule] Credential Access via TruffleHog Execution * Update credential_access_trufflehog_execution.toml * Update rules/cross-platform/credential_access_trufflehog_execution.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> * Update rules/cross-platform/credential_access_trufflehog_execution.toml Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> --------- Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
63 lines
2.0 KiB
TOML
63 lines
2.0 KiB
TOML
[metadata]
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creation_date = "2025/09/18"
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integration = ["endpoint"]
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maturity = "production"
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updated_date = "2025/09/18"
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[rule]
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author = ["Elastic"]
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description = """
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This rule detects the execution of TruffleHog, a tool used to search for high-entropy strings and secrets
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in code repositories, which may indicate an attempt to access credentials. This tool was abused by the Shai-Hulud
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worm to search for credentials in code repositories.
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"""
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false_positives = [
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"""
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Trufflehog is a legitimate open-source tool used by security professionals and developers to search for sensitive
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information, such as passwords, API keys, and other secrets, within code repositories. It is commonly employed
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during security assessments and code reviews to identify potential vulnerabilities.
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""",
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]
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from = "now-9m"
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index = ["logs-endpoint.events.process-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Credential Access via TruffleHog Execution"
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references = ["https://www.elastic.co/blog/shai-hulud-worm-npm-supply-chain-compromise"]
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risk_score = 21
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rule_id = "47595dea-452b-4d37-b82d-6dd691325139"
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severity = "low"
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tags = [
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"Domain: Endpoint",
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"OS: Linux",
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"OS: Windows",
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"OS: macOS",
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"Use Case: Threat Detection",
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"Tactic: Credential Access",
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"Data Source: Elastic Defend"
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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 event.type == "start" and process.name : ("trufflehog.exe", "trufflehog") and
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process.args == "--results=verified" and process.args == "--json" and process.args == "filesystem"
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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 = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[[rule.threat.technique]]
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id = "T1555"
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name = "Credentials from Password Stores"
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reference = "https://attack.mitre.org/techniques/T1555/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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