Terrance DeJesus
4312d8c958
* initial commit * addressing flake errors * added apm to _get_packagted_integrations logic * addressed flake errors * adjusted integration schema and updated rules to be a list * updated several rules and removed a unit test * updated rules with logs-* only index patterns * Update tests/test_all_rules.py Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com> * addressed flake errors * integration is none is windows, endpoint or apm * adding rules with accepted incoming changes from main * fixed tag and tactic alignment errors from unit testing * adjusted unit testing logic for integration tags; added more exclusion rules * adjusted test_integration logic to be rule resistent and skip if -8.3 * adjusted comments for unit test skip * fixed merge conflicts from main * changing test_integration_tag to remove logic for rule version comparisons * added integration tag to new rule * adjusted rules updated_date value * ignore guided onboarding rule in unit tests * added integration tag to new rule Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
52 lines
1.4 KiB
TOML
52 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2020/11/25"
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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 = "8.3.0"
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updated_date = "2022/12/14"
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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.*", "endgame-*"]
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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 = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion", "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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registry where
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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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