Generic:
<app_proto>:request_started and <app_proto>:response_started
<app_proto>:request_complete and <app_proto>:response_complete
Per protocol, it uses the registered progress (state) values. E.g.
tls:client_hello_done
A rule ruleset could be:
pass tls:client_hello_done any any -> any any (tls.sni; content:"www.google.com"; sid:21; alert;)
drop tls:client_hello_done any any -> any any (sid:22;)
The pass rule is evaluated when the client hello is parsed, and if it
doesn't match the drop rule will be evaluated.
Registers each generic lists as "<alproto>:<progress state>:generic"
(e.g. "tls:client_hello_done:generic").
Ticket: #7485.
This commit adds keyword/build support for the entropy keyword. The
entropy keyword compares an entropy value with a value calculated
according to the Shannon entropy on the available content.
Issue: 4162
Add keywords dns.additionals.rrname and dns.authorities.rrname. Along
the way, consolidate dns.query.name and dns.answer.name into a single file
and register them altogether since there is a lot of common code.
Feature: 7012
Add dns.response sticky buffer to match on dns response fields.
Add rust functions to return dns response packet data.
Unit tests verifying signature matching.
ldap.request.operation matches on Lightweight Directory Access Protocol request operations
This keyword maps to the eve field ldap.request.operation
It is an unsigned 8-bit integer
Doesn't support prefiltering
Ticket: #7453
- remove "rs_" prefix from functions that are not exported
- prefix exported functions with "SC"
- don't export functions that are only used by pointer
Ticket: 7498
Currently, the syntax includes direction as a part of the keyword which
is against how usually keywords are done. By making direction as a
mandatory argument, it is possible to make the syntax cleaner and the
implementation more compact and easily extendable.
Pros:
- Registration table sees lesser entries if newer options are added
- If the options have to be extended, it can be done trivially
- In accordance w existing keyword implementations
Note that this commit also retains the existing direction specific
keywords.
Ticket: 4863
On the way, convert some keywords to use the first-class integer
support.
And helpers for pure rust the support for multi-buffer.
Move the C unit tests about keyword mqtt.protocol_version
to unit tests for generic integer parsing, and test version 5
instead of testing twice version 3.
Also iterate all tx's messages for reason code as is done for other
keywords.
And allow detection on empty topics.
Issue: 6487
Implement the from_base64 transform:
[bytes value] [offset value] [mode strict|rfc4648|rfc2045]
The value for bytes and offset may be a byte_ variable or an
unsigned integer.
Ticket: 4863
On the way, convert unit test DetectSNMPCommunityTest to a SV test.
And also, make snmp.pdu_type use a generic uint32 for detection,
allowing operators, instead of just equality.
Ticket: 3958
- transactions are now bidirectional
- there is a logger
- gap support is improved with probing for resync
- frames support
- app-layer events
- enip_command keyword accepts now string enumeration as values.
- add enip.status keyword
- add keywords :
enip.product_name, enip.protocol_version, enip.revision,
enip.identity_status, enip.state, enip.serial, enip.product_code,
enip.device_type, enip.vendor_id, enip.capabilities,
enip.cip_attribute, enip.cip_class, enip.cip_instance,
enip.cip_status, enip.cip_extendedstatus
dns.rcode matches the rcode header field in DNS messages
It's an unsigned integer
valid ranges = [0-15]
Does not support prefilter
Supports matches in both flow directions
Task #6621
It matches the rrtype field in DNS
It's an unsigned integer match
valid ranges = [0-65535]
Does not support prefilter
Supports flow in both directions
Feature #6666
Add a new rule keyword "requires" that allows a rule to require specific
Suricata versions and/or Suricata features to be enabled.
Example:
requires: feature geoip, version >= 7.0.0, version < 8;
requires: version >= 7.0.3 < 8
requires: version >= 7.0.3 < 8 | >= 8.0.3
Feature: #5972
Co-authored-by: Philippe Antoine <pantoine@oisf.net>
Victor Julien
Philippe Antoine
Jeff Lucovsky
Giuseppe Longo
Alice Akaki
Jason Ish
Nathan Scrivens
Shivani Bhardwaj
Philippe Antoine
Sascha Steinbiss
Hadiqa Alamdar Bukhari
jason taylor
Eloy Pérez González