2017-02-08 12:41:32 +01:00
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title: Network Scans
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description: Detects many failed connection attempts to different ports or hosts
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2017-02-19 09:19:06 +01:00
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author: Thomas Patzke
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2017-02-19 00:31:59 +01:00
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logsource:
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type: firewall
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2017-02-08 12:41:32 +01:00
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detection:
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selection:
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2017-02-15 23:53:08 +01:00
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log: network
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action: denied
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2017-02-28 17:52:40 +01:00
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timeframe: 24h
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2017-02-08 12:41:32 +01:00
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condition:
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- selection | count(dst_port) > 10 by src_ip
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- selection | count(dst_ip) > 10 by src_ip
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2017-02-24 23:44:42 +01:00
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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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