Mika Ayenson, PhD
8993d1450b
--------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Isai <59296946+imays11@users.noreply.github.com> Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
105 lines
3.1 KiB
TOML
105 lines
3.1 KiB
TOML
[metadata]
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creation_date = "2023/08/21"
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integration = ["endpoint", "windows", "system"]
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maturity = "production"
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updated_date = "2026/03/24"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = "Attackers may try to access private keys, e.g. ssh, in order to gain further authenticated access to the environment.\n"
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from = "now-119m"
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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.sysmon_operational-*",
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"winlogbeat-*",
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]
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interval = "60m"
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language = "eql"
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license = "Elastic License v2"
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name = "Attempted Private Key Access"
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risk_score = 21
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rule_id = "c55badd3-3e61-4292-836f-56209dc8a601"
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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: Credential Access",
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"Data Source: Elastic Defend",
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"Rule Type: BBR",
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"Data Source: Sysmon",
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"Data Source: Elastic Endgame",
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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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process.command_line : ("*.pem *", "*.pem", "*.id_rsa*") and
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not process.args : (
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"--rootcert",
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"--cert",
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"--crlfile"
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) and
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not process.command_line : (
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"*--cacert*",
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"*--ssl-cert*",
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"*--tls-cert*",
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"*--tls_server_certs*"
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) and
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not process.executable : (
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"?:\\ProgramData\\Logishrd\\LogiOptions\\Software\\*\\LogiLuUpdater.exe",
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"?:\\Program Files\\Elastic\\Agent\\data\\*\\osqueryd.exe",
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"?:\\Program Files\\Git\\cmd\\git.exe",
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"?:\\Program Files\\Git\\mingw64\\bin\\git.exe",
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"?:\\Program Files\\Guardicore\\gc-controller.exe",
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"?:\\Program Files\\Guardicore\\gc-deception-agent.exe",
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"?:\\Program Files\\Guardicore\\gc-detection-agent.exe",
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"?:\\Program Files\\Guardicore\\gc-enforcement-agent.exe",
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"?:\\Program Files\\Guardicore\\gc-guest-agent.exe",
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"?:\\Program Files\\Logi\\LogiBolt\\LogiBoltUpdater.exe",
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"?:\\Program Files (x86)\\Schneider Electric EcoStruxure\\Building Operation 5.0\\Device Administrator\\Python\\python.exe",
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"?:\\Program Files\\Splunk\\bin\\openssl.exe",
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"?:\\Program Files\\SplunkUniversalForwarder\\bin\\openssl.exe",
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"?:\\Users\\*\\AppData\\Local\\Logi\\LogiBolt\\LogiBoltUpdater.exe",
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"?:\\Windows\\system32\\icacls.exe",
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"?:\\Windows\\System32\\OpenSSH\\*"
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)
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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 = "T1552"
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name = "Unsecured Credentials"
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reference = "https://attack.mitre.org/techniques/T1552/"
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[[rule.threat.technique.subtechnique]]
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id = "T1552.004"
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name = "Private Keys"
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reference = "https://attack.mitre.org/techniques/T1552/004/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1005"
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name = "Data from Local System"
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reference = "https://attack.mitre.org/techniques/T1005/"
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[rule.threat.tactic]
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id = "TA0009"
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name = "Collection"
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reference = "https://attack.mitre.org/tactics/TA0009/"
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