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suricata/rules/dns-events.rules

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DNS: add event rules file
12 years ago
# Malformed data in request. Malformed means length fields are wrong, etc.
rules: add missing classtypes for event.rules
7 years ago
alert dns any any -> any any (msg:"SURICATA DNS malformed request data"; flow:to_server; app-layer-event:dns.malformed_data; classtype:protocol-command-decode; sid:2240002; rev:2;)
alert dns any any -> any any (msg:"SURICATA DNS malformed response data"; flow:to_client; app-layer-event:dns.malformed_data; classtype:protocol-command-decode; sid:2240003; rev:2;)
DNS: add event rules file
12 years ago
# Response flag set on to_server packet
rules: add missing classtypes for event.rules
7 years ago
alert dns any any -> any any (msg:"SURICATA DNS Not a request"; flow:to_server; app-layer-event:dns.not_a_request; classtype:protocol-command-decode; sid:2240004; rev:2;)
DNS: add event rules file
12 years ago
# Response flag not set on to_client packet
rules: add missing classtypes for event.rules
7 years ago
alert dns any any -> any any (msg:"SURICATA DNS Not a response"; flow:to_client; app-layer-event:dns.not_a_response; classtype:protocol-command-decode; sid:2240005; rev:2;)
DNS: add event rules file
12 years ago
# Z flag (reserved) not 0
rules: add missing classtypes for event.rules
7 years ago
alert dns any any -> any any (msg:"SURICATA DNS Z flag set"; app-layer-event:dns.z_flag_set; classtype:protocol-command-decode; sid:2240006; rev:2;)