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35 lines
789 B
YAML
35 lines
789 B
YAML
action: global
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title: Network Scans
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status: experimental
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description: Detects many failed connection attempts to different ports or hosts
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author: Thomas Patzke
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date: 2017/02/19
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modified: 2020/08/27
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logsource:
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category: firewall
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fields:
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- src_ip
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- dst_ip
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- dst_port
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falsepositives:
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- Inventarization systems
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- Vulnerability scans
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- Penetration testing activity
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level: medium
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tags:
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- attack.discovery
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- attack.t1046
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---
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id: fab0ddf0-b8a9-4d70-91ce-a20547209afb
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detection:
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selection:
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action: denied
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timeframe: 24h
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condition: selection | count(dst_port) by src_ip > 10
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---
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id: 4601eaec-6b45-4052-ad32-2d96d26ce0d8
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detection:
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selection:
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action: denied
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timeframe: 24h
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condition: selection | count(dst_ip) by src_ip > 10 |