Jonhnathan
81 lines
2.2 KiB
TOML
81 lines
2.2 KiB
TOML
[metadata]
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creation_date = "2024/08/29"
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integration = ["endpoint", "windows", "system", "sentinel_one_cloud_funnel", "m365_defender"]
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maturity = "production"
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min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
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min_stack_version = "8.14.0"
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updated_date = "2024/10/15"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the Foxmail client spawning a child process with argument pointing to the Foxmail temp directory.
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This may indicate the successful exploitation of a Foxmail vulnerability for initial access and execution via
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a malicious email.
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"""
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from = "now-9m"
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index = [
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"winlogbeat-*",
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"logs-windows.*",
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"endgame-*",
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"logs-system.security*",
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"logs-windows.sysmon_operational-*",
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"logs-sentinel_one_cloud_funnel.*",
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"logs-m365_defender.event-*",
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"logs-endpoint.events.process-*"
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]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential Foxmail Exploitation"
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references = ["https://mp.weixin.qq.com/s/F8hNyESBdKhwXkQPgtGpew"]
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risk_score = 73
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rule_id = "2c6a6acf-0dcb-404d-89fb-6b0327294cfa"
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severity = "high"
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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: Initial Access",
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"Tactic: Execution",
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"Data Source: Elastic Defend",
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"Data Source: Sysmon",
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"Data Source: System",
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"Data Source: Elastic Endgame",
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"Data Source: SentinelOne",
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"Data Source: Microsoft Defender for Endpoint"
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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.parent.name : "Foxmail.exe" and process.args : ("?:\\Users\\*\\AppData\\*", "\\\\*")
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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 = "T1203"
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name = "Exploitation for Client Execution"
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reference = "https://attack.mitre.org/techniques/T1203/"
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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 = "T1189"
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name = "Drive-by Compromise"
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reference = "https://attack.mitre.org/techniques/T1189/"
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[rule.threat.tactic]
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id = "TA0001"
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name = "Initial Access"
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reference = "https://attack.mitre.org/tactics/TA0001/"
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