ghostersk
17 lines
470 B
YAML
17 lines
470 B
YAML
type: trigger
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name: custom/forbidden-usernames
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description: "Block IPs attempting RDP logins with forbidden usernames"
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filter: "evt.Parsed.username != '' && Lower(evt.Parsed.username) in ['administrator', 'admin', 'guest']"
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#blackhole: 2m
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groupby: evt.Meta.source_ip
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reprocess: true
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labels:
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confidence: 3
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spoofable: 0
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classification:
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- attack.T1110
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behavior: "windows:bruteforce"
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label: "Windows Bruteforce Username"
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remediation: true
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service: windows
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