Jonhnathan
52 lines
1.8 KiB
TOML
52 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2020/11/25"
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integration = ["endpoint", "windows", "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 registry write modifications to hide an encoded portable executable. This could be indicative of adversary
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defense evasion by avoiding the storing of malicious content directly on disk.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.registry-*", "endgame-*", "logs-windows.sysmon_operational-*", "logs-sentinel_one_cloud_funnel.*", "winlogbeat-*", "logs-m365_defender.event-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Encoded Executable Stored in the Registry"
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risk_score = 47
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rule_id = "93c1ce76-494c-4f01-8167-35edfb52f7b1"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Endgame", "Data Source: Elastic Defend", "Data Source: Sysmon", "Data Source: SentinelOne", "Data Source: Microsoft Defender for Endpoint"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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registry where host.os.type == "windows" and
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/* update here with encoding combinations */
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registry.data.strings : "TVqQAAMAAAAEAAAA*"
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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 = "T1112"
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name = "Modify Registry"
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reference = "https://attack.mitre.org/techniques/T1112/"
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[[rule.threat.technique]]
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id = "T1140"
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name = "Deobfuscate/Decode Files or Information"
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reference = "https://attack.mitre.org/techniques/T1140/"
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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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