Files
blue-team-tools/rules/network/net_susp_network_scan.yml
T
2017-02-28 17:52:40 +01:00

19 lines
483 B
YAML

title: Network Scans
description: Detects many failed connection attempts to different ports or hosts
author: Thomas Patzke
logsource:
type: firewall
detection:
selection:
log: network
action: denied
timeframe: 24h
condition:
- selection | count(dst_port) > 10 by src_ip
- selection | count(dst_ip) > 10 by src_ip
falsepositives:
- Inventarization systems
- Vulnerability scans
- Penetration testing activity
level: medium