b8dcc6ab4b
* Create command_and_control_certreq_postdata.toml * Update command_and_control_certreq_postdata.toml * Update command_and_control_certreq_postdata.toml * Create command_and_control_ingress_transfer_bits.toml * Update non-ecs-schema.json * Update command_and_control_certreq_postdata.toml * Update command_and_control_ingress_transfer_bits.toml * Update rules/windows/command_and_control_certreq_postdata.toml Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> --------- Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
59 lines
1.6 KiB
TOML
59 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2023/01/13"
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integration = ["endpoint", "windows"]
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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 = "8.3.0"
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updated_date = "2023/01/13"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies Certreq making an HTTP Post request. Adversaries could abuse Certreq to exfiltrate data to a remote URL.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*", "endgame-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential Exfiltration via Certreq"
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references = ["https://lolbas-project.github.io/lolbas/Binaries/Certreq/"]
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risk_score = 47
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rule_id = "79f0a1f7-ed6b-471c-8eb1-23abd6470b1c"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion", "Command and Control", "Elastic Endgame"]
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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
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(process.name : "CertReq.exe" or process.pe.original_file_name == "CertReq.exe") and process.args : "-Post"
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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 = "T1105"
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name = "Ingress Tool Transfer"
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reference = "https://attack.mitre.org/techniques/T1105/"
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[rule.threat.tactic]
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id = "TA0011"
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name = "Command and Control"
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reference = "https://attack.mitre.org/tactics/TA0011/"
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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 = "T1218"
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name = "System Binary Proxy Execution"
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reference = "https://attack.mitre.org/techniques/T1218/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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