Justin Ibarra
62 lines
1.7 KiB
TOML
62 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2020/02/18"
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maturity = "production"
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updated_date = "2021/03/03"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies cmd.exe making a network connection. Adversaries could abuse cmd.exe to download or execute malware from a
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remote URL.
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"""
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false_positives = [
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"""
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Administrators may use the command prompt for regular administrative tasks. It's important to baseline your
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environment for network connections being made from the command prompt to determine any abnormal use of this tool.
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""",
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]
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Command Prompt Network Connection"
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risk_score = 21
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rule_id = "89f9a4b0-9f8f-4ee0-8823-c4751a6d6696"
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severity = "low"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
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type = "eql"
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query = '''
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sequence by process.entity_id
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[process where process.name : "cmd.exe" and event.type == "start"]
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[network where process.name : "cmd.exe" and
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not cidrmatch(destination.ip, "10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16")]
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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 = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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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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