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Remove variable content from weird names

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This changes many weird names to move non-static content from the
weird name into the "addl" field to help ensure the total number of
weird names is reasonably bounded.  Note the net_weird and flow_weird
events do not have an "addl" parameter, so information may no longer
be available in those cases -- to make it available again we'd need
to either (1) define new events that contain such a parameter, or
(2) change net_weird/flow_weird event signature (which is a breaking
change for user-code at the moment).

Also, the generic handling of binpac exceptions for analyzers which
to not otherwise catch and handle them has been changed from a Weird
to a ProtocolViolation.

Finally, a new "file_weird" event has been added for reporting
weirdness found during file analysis.
This commit is contained in:
Jon Siwek 2019-04-01 18:27:53 -07:00
parent 956674745b
commit 995368e68c
47 changed files with 289 additions and 152 deletions
Download patch file Download diff file Expand all files Collapse all files

6
testing/btest/Baseline/scripts.base.protocols.modbus.events/conn.log
View file

@ -3,7 +3,7 @@
#empty_field (empty)
#unset_field -
#path conn
#open 2016-07-13-16-16-30
#open 2019-04-02-01-01-40
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service duration orig_bytes resp_bytes conn_state local_orig local_resp missed_bytes history orig_pkts orig_ip_bytes resp_pkts resp_ip_bytes tunnel_parents
#types time string addr port addr port enum string interval count count string bool bool count string count count count count set[string]
1093521678.945447 CHhAvVGS1DHFjwGM9 10.0.0.57 2387 10.0.0.3 502 tcp - 0.000493 0 0 SF - - 0 FafA 2 80 2 80 -
@ -13,6 +13,6 @@
1093522946.554059 CUM0KZ3MLUfNB0cl11 10.0.0.57 2585 10.0.0.8 502 tcp - 76.561880 926 0 SF - - 0 ShADafF 8 1254 7 288 -
1093523065.562221 CmES5u32sYpV7JYN 10.0.0.8 502 10.0.0.57 4446 tcp - 155.114237 128 0 SF - - 0 ShADaFf 16 776 15 608 -
1153491879.610371 CP5puj4I8PtEU4qzYg 192.168.66.235 2582 166.161.16.230 502 tcp - 2.905078 0 0 S0 - - 0 S 2 96 0 0 -
1153491888.530306 C37jN32gN3y3AZzyf6 192.168.66.235 2582 166.161.16.230 502 tcp modbus 85.560847 1692 1278 S1 - - 0 ShADad 167 8380 181 8522 -
1153491888.530306 C37jN32gN3y3AZzyf6 192.168.66.235 2582 166.161.16.230 502 tcp - 85.560847 1692 1278 S1 - - 0 ShADad 167 8380 181 8522 -
1342774499.588269 C3eiCBGOLw3VtHfOj 10.1.1.234 51411 10.10.5.85 502 tcp modbus 2100.811351 237936 4121200 S2 - - 0 ShADdaF 39659 2300216 20100 5166412 -
#close 2016-07-13-16-16-33
#close 2019-04-02-01-01-42