Bobby Filar
9a739b7e4c
* modifying rules assoc w/ deprecation of v2 ML jobs * modified updated_date field * fixed machine_learning_job_id and added min_stack_version * replacing rest of deprecated jobs with new naming convention * Update ml_suspicious_login_activity.toml * removing rules assoc w/ deprecated ML jobs * Update rules/ml/ml_linux_anomalous_compiler_activity.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/ml/ml_linux_anomalous_compiler_activity.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * updated ml job rules to reflect 8.3 changes * updating min_stack_version for ml detection rules Co-authored-by: Craig Chamberlain <randomuserid@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Apoorva Joshi <30438249+ajosh0504@users.noreply.github.com>
46 lines
1.5 KiB
TOML
46 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2020/09/03"
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maturity = "production"
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updated_date = "2022/05/12"
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min_stack_comments = "Supports latest version of ML job introduced in 8.3"
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min_stack_version = "8.3.0"
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[rule]
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anomaly_threshold = 25
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author = ["Elastic"]
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description = """
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Looks for commands related to system network connection discovery from an unusual user context. This can be due to
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uncommon troubleshooting activity or due to a compromised account. A compromised account may be used by a threat actor
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to engage in system network connection discovery in order to increase their understanding of connected services and
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systems. This information may be used to shape follow-up behaviors such as lateral movement or additional discovery.
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"""
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false_positives = [
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"""
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Uncommon user command activity can be due to an engineer logging onto a server instance in order to perform manual
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troubleshooting or reconfiguration.
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""",
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]
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from = "now-45m"
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interval = "15m"
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license = "Elastic License v2"
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machine_learning_job_id = ["v3_linux_network_connection_discovery"]
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name = "Unusual Linux Network Connection Discovery"
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risk_score = 21
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rule_id = "c28c4d8c-f014-40ef-88b6-79a1d67cd499"
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severity = "low"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "ML"]
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type = "machine_learning"
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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 = "T1049"
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name = "System Network Connections Discovery"
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reference = "https://attack.mitre.org/techniques/T1049/"
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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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