Jonhnathan
0273d118a6
* Update impact_deleting_backup_catalogs_with_wbadmin.toml * Update impact_deleting_backup_catalogs_with_wbadmin.toml * 1/2 * bump updated_date * 2/3 * Finale * Update persistence_evasion_registry_ifeo_injection.toml * . * Multiple fixes * Missing index * Missing AND
54 lines
1.8 KiB
TOML
54 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2020/10/16"
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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 = "2023/03/06"
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[rule]
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author = ["Elastic"]
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description = "Detects attempts to establish persistence on an endpoint by abusing Microsoft Office add-ins."
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*", "endgame-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via Microsoft Office AddIns"
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note = """## Setup
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
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"""
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references = ["https://labs.mwrinfosecurity.com/blog/add-in-opportunities-for-office-persistence/"]
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risk_score = 73
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rule_id = "f44fa4b6-524c-4e87-8d9e-a32599e4fb7c"
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severity = "high"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence", "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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file where host.os.type == "windows" and event.type != "deletion" and
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file.extension : ("wll","xll","ppa","ppam","xla","xlam") and
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file.path :
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(
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"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Word\\Startup\\*",
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"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\AddIns\\*",
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"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*"
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)
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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 = "T1137"
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name = "Office Application Startup"
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reference = "https://attack.mitre.org/techniques/T1137/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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