Jonhnathan
b4c84e8a40
* Update Tags * Bump updated date separately to be easy to revert if needed * Update resource_development_ml_linux_anomalous_compiler_activity.toml * Apply changes from the discussion * Update persistence_init_d_file_creation.toml * Update defense_evasion_timestomp_sysmon.toml * Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml * Update missing Tactic tags * Update unit tests to match new tags * Add missing IG tags * Delete okta_threat_detected_by_okta_threatinsight.toml * Update command_and_control_google_drive_malicious_file_download.toml * Update persistence_rc_script_creation.toml * Mass bump * Update persistence_shell_activity_by_web_server.toml * . --------- Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
48 lines
1.6 KiB
TOML
48 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2023/04/11"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.5.0"
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updated_date = "2023/04/11"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies instances where VMware processes, such as "vmware-vmx" or "vmx," are terminated on a Linux system
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by a "kill" command. The rule monitors for the "end" event type, which signifies the termination of a process.
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The presence of a "kill" command as the parent process for terminating VMware processes may indicate that a
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threat actor is attempting to interfere with the virtualized environment on the targeted system.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Suspicious Termination of ESXI Process"
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references = [
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"https://www.bleepingcomputer.com/news/security/massive-esxiargs-ransomware-attack-targets-vmware-esxi-servers-worldwide/",
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]
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risk_score = 47
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rule_id = "6641a5af-fb7e-487a-adc4-9e6503365318"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Impact"]
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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 == "linux" and event.type == "end" and process.name : ("vmware-vmx", "vmx")
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and process.parent.name : "kill"
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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 = "T1489"
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name = "Service Stop"
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reference = "https://attack.mitre.org/techniques/T1489/"
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[rule.threat.tactic]
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id = "TA0040"
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name = "Impact"
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reference = "https://attack.mitre.org/tactics/TA0040/" |