Commit graph

1454 commits

Author SHA1 Message Date
Johanna Amann
3669b6aa9c Merge remote-tracking branch 'origin/master' into topic/johanna/imap-starttls 2016-04-26 10:52:16 -07:00
Johanna Amann
cfa4fb4946 Merge branch 'dns-caa-decode' of https://github.com/marktayl/bro into merge
* 'dns-caa-decode' of https://github.com/marktayl/bro:
  Add DNS "CAA" RR type and event.
2016-04-25 15:36:18 -07:00
Johanna Amann
e7ec537ed5 Merge remote-tracking branch 'origin/topic/dnthayer/broker-namespace'
* origin/topic/dnthayer/broker-namespace:
  Split the broker main.bro into two scripts
  Rename the BrokerStore namespace to Broker
  Rename the BrokerComm namespace to Broker

BIT-1563 #merged
2016-04-22 16:45:09 -07:00
Mark Taylor
a14de582a2 Add DNS "CAA" RR type and event. 2016-04-22 15:26:34 -04:00
Jan Grashoefer
c0bf1b3c67 Added get_current_packet_header bif. 2016-04-20 00:00:47 +02:00
Seth Hall
9aa9618473 Additional mime types for file identification and a few fixes.
Some of the existing mime types received extended matchers
to fix problems with UTF-16 BOMs.

New file mime types:
 - .ini files
 - MS Registry policy files
 - MS Registry files
 - MS Registry format files (e.g. DESKTOP.DAT)
 - MS Outlook PST files
 - Apple AFPInfo files

Mime type fixes:
 - MP3 files with ID3 tags.
 - JSON and XML matchers were extended
2016-04-14 10:06:58 -04:00
Seth Hall
9d0899325a Merge remote-tracking branch 'martin/topic/fox/rfb'
* martin/topic/fox/rfb:
  Fixed issue in state machine
  Some styling tweaks
  Implement protocol confirmation
  Analyzer and bro script for RFB protocol (VNC)

* <seth> I also applied a bit of clean up to the base
  script to make it match other scripts better and
  updated tests.
2016-04-12 17:00:06 -04:00
Martin van Hensbergen
034f725f3f Some styling tweaks
- used transient declarations where appropriate
- fixed brackets
- cleaned up some comments
2016-04-11 11:35:36 +02:00
Martin van Hensbergen
04dd65cbaf Implement protocol confirmation
Do not set the service field in the bro script but
use the protocol confirmation paradigm.

Protocol is considered confirmed if both a
succesful client and server banner have been
parsed.
2016-04-11 11:28:22 +02:00
Martin van Hensbergen
849875e8be Analyzer and bro script for RFB protocol (VNC)
This analyzer parses the Remote Frame Buffer
protocol, usually referred to as the 'VNC protocol'.

It supports several dialects (3.3, 3.7, 3.8) and
also handles the Apple Remote Desktop variant.

It will log such facts as client/server versions,
authentication method used, authentication result,
height, width and name of the shared screen.

It also includes two testcases.

Todo: Apple Remote Desktop seems to have some
bytes prepended to the screen name. This is
not interepreted correctly.
2016-04-11 10:35:00 +02:00
Daniel Thayer
cca9a6616e Split the broker main.bro into two scripts
Separate the former BrokerComm and BrokerStore portions of the script
because these files will be much larger when script wrappers for BIFs are
written.
2016-03-30 20:32:36 -05:00
Daniel Thayer
f46dfac63a Rename the BrokerStore namespace to Broker 2016-03-30 16:39:19 -05:00
Daniel Thayer
9f5c820c7b Rename the BrokerComm namespace to Broker 2016-03-30 14:31:25 -05:00
Johanna Amann
8650841bf5 Only load openflow/netcontrol if compiled with broker. 2016-03-24 13:39:34 -07:00
Johanna Amann
33f9eca0c8 Update TLS constants and extensions from IANA. 2016-03-18 11:23:44 -07:00
Robin Sommer
2233521de7 Merge remote-tracking branch 'origin/topic/johanna/netcontrol'
BIT-1550 #merged

* origin/topic/johanna/netcontrol: (72 commits)
  Update baselines and news
  Move prefixtable back to all IPv6 internal handling.
  NetControl: Add functions to search for rules affecting IPs/subnets
  Add check_subnet bif that allows exact membership test for subnet tables.
  Rewrite internal handling of rules.
  Add bif that allows searching for all matching subnets in table.
  Add signaling of succesful initialization of plugins to NetControl.
  Add rule hooks to the acld plugin.
  Add new logfiles for shunting and drops to netcontrol
  Extend NetControl logging and fix bugs.
  Update OpenFlow API and events.
  small acld plugin fix
  Revert "introduce &weaken attribute"
  Fix crash when printing type of recursive structures.
  Testcase for crash when a record contains a function referencing a record.
  Rename Pacf to NetControl
  fix acld plugin to use address instead of subnet (and add functions for conversion)
  implement quarantine
  miscelaneous missing bits and pieces
  Acld implementation for Pacf - Bro side.
  ...
2016-03-11 14:29:23 -08:00
Johanna Amann
205ad0d55a Update baselines and news
Includes tiny patches to make all test succesfully pass.
2016-03-11 10:32:36 -08:00
Seth Hall
08399da6cb Files transferred over FTP were showing incorrect sizes.
The server-reported file size was being collected poorly and if
a file name had a number in it, that was reported as the file
size instead of the actual size.

A new test is included to avoid reintroducing the problem.
2016-03-11 12:56:28 -05:00
Johanna Amann
21c300c333 NetControl: Add functions to search for rules affecting IPs/subnets
Adds the functions

NetControl::find_rules_addr and NetControl::fund_rules_subnet

which return a vector containing all rules affecting a certain IP or
subnet.
2016-03-09 21:32:15 -08:00
Johanna Amann
7ef431808d Rewrite internal handling of rules.
This has no user-facing changes. It makes the internal handling of rules
much easier (no crazy duplicate rules in case our rules are added to
several backends).

It also fixes several open ends and small bugs in the process.
2016-03-09 15:43:47 -08:00
Johanna Amann
562e5a9f63 Add bif that allows searching for all matching subnets in table.
Example:

global test: set[subnet] = {
	10.0.0.0/8,
	10.1.0.0/16,
	10.2.0.0/16,
	10.2.0.2/31
}

print matching_subnets(10.2.0.2/32, test);
->
[10.2.0.2/31, 10.2.0.0/16, 10.0.0.0/8]
2016-03-09 12:24:00 -08:00
Johanna Amann
42e4072673 Add signaling of succesful initialization of plugins to NetControl.
This does not really have many user-facing changes. The one big change
is that users now should initialize plugins in the

NetControl::init()

event instead of bro_init.

Once all plugins finished initializing and the NetControl framework
starts operations, the NetControl::init_done() event is raised.

Rules that are sent to NetControl before the plugins have finished
initializing are ignored - this is important when several plugins that
require external connections have to be initialized at the beginning.
Without this delay, rules could end up at the wrong plugin.
2016-03-08 14:49:22 -08:00
Johanna Amann
d9459fc59a Add rule hooks to the acld plugin.
The hook name is NetControl::acld_rule_policy and allows the
modification of acld rules before they are sent out to the network.

This allows, e.g. network policies to use nullzero instead of drop in
certain circumstances.
2016-03-08 11:25:15 -08:00
Johanna Amann
69b62be5d4 Merge remote-tracking branch 'origin/master' into topic/johanna/netcontrol 2016-03-07 14:59:25 -08:00
Johanna Amann
f89874b9e9 Merge branch 'patch-4' of https://github.com/aeppert/bro
* 'patch-4' of https://github.com/aeppert/bro:
  (BIT-1545) Add "disable_analyzer_after_detection" en lieu of "skip_processing_after_detection"

I also removed the old disable_analyzer_after_detection option
completely - if someone wants that, they can just catch the event
themselves and call skip_further_processing.

I also adjusted the ssh test case to contain conn.log to prevent
re-addition of this problem in the future.

BIT-1545 #merged
2016-03-07 13:39:28 -08:00
Aaron Eppert
c93b057a97 (BIT-1545) Add "disable_analyzer_after_detection" en lieu of "skip_processing_after_detection"
The default of "skip_processing_after_detection" is confusing and causes conn.log to not be written as one would assume, plus the counters are not incremented and thus some kinds of potential detections are short-changed. I propose adding "disable_analyzer_after_detection" which would react, on the surface, the same way by disabling the SSH analyzer, but allowing conn.log to be written appropriately.
2016-03-05 11:59:52 -05:00
Robin Sommer
3dc445900b Merge remote-tracking branch 'origin/topic/johanna/bit-1529'
BIT-1529 #merged

* origin/topic/johanna/bit-1529:
  Subscribe is a valid message per RFC 3265
2016-03-03 07:58:10 -08:00
Johanna Amann
fdf36393ba Update documentation for RSTR.
Addresses BIT-1535
2016-03-01 14:08:58 -08:00
Johanna Amann
9f6f7312a3 Subscribe is a valid message per RFC 3265
Addresses BIT-1529
2016-03-01 14:00:11 -08:00
Johanna Amann
8f60974bc0 Add new logfiles for shunting and drops to netcontrol
Also fix small bugs and update baselines.
2016-02-17 12:48:16 -08:00
Johanna Amann
a38327bd08 Extend NetControl logging and fix bugs.
Netcontrol log now includes more information; before that, it had not
quite caught up to the new capabilities (like flow modifying and
redirection, as well as mac addresses).

Furthermore, this fixes a number of bugs with cluster mode (like
duplicate events), test failures due to updates in Bro, etc.
2016-02-11 19:47:29 -08:00
Johanna Amann
9f3c0c9bb4 Update OpenFlow API and events.
Events now generally carry the unique ID of the backend that is given
during initialization; there are a few more functions and other
bugfixes.

A few netcontrol tests are still broken (mostly due to a pcap update in
msater).
2016-02-11 13:10:40 -08:00
Johanna Amann
5e2ec25a38 small acld plugin fix 2016-02-11 11:31:44 -08:00
Johanna Amann
bebe2e85cb Revert "introduce &weaken attribute"
This reverts commit 00204ab8a6.

We decided to implement this using an alternative method that does not
need a new language attribute.
2016-02-03 14:32:40 -08:00
Johanna Amann
f06e9e6aab Merge remote-tracking branch 'origin/master' into topic/johanna/netcontrol 2016-01-20 15:01:50 -08:00
Robin Sommer
9431ed3fe9 Merge branch 'patch-3' of https://github.com/aeppert/bro
* 'patch-3' of https://github.com/aeppert/bro:
  Add version to HTTP::Info
2016-01-15 10:35:57 -08:00
Aaron Eppert
ada2b0088b Add version to HTTP::Info 2016-01-12 14:58:36 -05:00
Aaron Eppert
47a5db230e NOTIFY is a valid SIP message per RFC3265
Exists in newer Asterisk servers.
2016-01-08 17:11:14 -05:00
Seth Hall
4e4dece70a SIP scripts code cleanup.
- Daniel Guerra pointed out a type issue for SIP
   request and response code length fields which is now
   corrected.
 - Some redundant code was removed.
 - if/else tree modified to use switch instead.
2015-11-29 00:24:53 -05:00
Robin Sommer
17bc615467 Making cluster reconnect timeout configurable. 2015-11-17 13:43:58 -08:00
Robin Sommer
a6b884e764 Removing pcap options for AF_PACKET support.
Turns out that's not working. Addresses BIT-1363.
2015-10-23 15:06:02 -07:00
Johanna Amann
401e6c9102 Extend ssl dpd signature to allow alert before server_hello.
The alert in this case is caused by the server name in the SNI not being
recognized by the server, which triggers an alert. Since the server is
an apache, and this might happen reasonably often, the new signature
allows one TLS alert before the server hello is expected.
2015-10-22 13:36:21 -07:00
Daniel Thayer
6519103890 Merge remote-tracking branch 'origin/master' into topic/dnthayer/doc-fixes
Conflicts:
	scripts/base/protocols/conn/main.bro
2015-09-23 11:45:10 -05:00
Daniel Thayer
8896679a01 More improvements to input framework documentation
Fixed more typos, reformatted the code examples to remove the
horizontal scroll bars, and removed some redundant sections that were
just outdated copies of information in the auto-generated reference
docs.
2015-09-22 17:41:24 -05:00
Daniel Thayer
aa5471ec15 Improve documentation of input framework 2015-09-21 16:42:53 -05:00
Johanna Amann
4833d2ffd0 Merge remote-tracking branch 'origin/topic/vladg/bit-1460'
* origin/topic/vladg/bit-1460:
  Make dns_max_queries redef-able, and bump up the default from 5 to 25.

BIT-1460 #merged
2015-09-05 20:37:59 -07:00
Vlad Grigorescu
4ac8ae61f7 Make dns_max_queries redef-able, and bump up the default from 5 to 25.
Addresses BIT-1460
2015-09-04 07:39:31 -05:00
Robin Sommer
36b5a4db08 Merge branch 'master' of https://github.com/knielander/bro
I reworked this a bit:

    - Moved the globals into a new Pcap::* namespace, and renamed them
      slightly.

    - Moved the definitions of the globals into pcap/const.bif.

    - Also moved the existing 'snaplen' into Pcap::* and removed
      SnapLen() from the PktSrc API (it's really a pcap thing).

    - Likewise moved the existing functions precompile_pcap_filter,
      install_pcap_filter, and pcap_error, into Pcap::*.

    - Did some more refactoring for the pcap code.

* 'master' of https://github.com/knielander/bro:
  Refactored patch (removed options, less ambiguous name)
  Allow Bro to run in fanout mode.
  Allow libpcap buffer size to be set manually.
  Allow Bro to run in fanout mode.
  Allowed libpcap buffer size to be set via configuration.
2015-08-30 22:09:32 -07:00
Robin Sommer
f2dbe7f01d Merge branch 'topic/jgras/base64-logging' of https://github.com/J-Gras/bro
* 'topic/jgras/base64-logging' of https://github.com/J-Gras/bro:
  Update calls of Base64 functions.
  Refactoring of Base64 functions.

I've removed the additional bif for encoding with a connection, as I'm
not sure there's much of a use case for it; we can always add it back
later if it turns out there is. I've also renamed
decode_base64_intern() to decode_base64_conn() to be a bit more
explicit about the difference.
2015-08-30 20:24:55 -07:00
Robin Sommer
7c98497444 Merge remote-tracking branch 'origin/topic/vladg/bit-1466'
BIT-1466 #merged

* origin/topic/vladg/bit-1466:
  Add Q and update I documentation for conn history
2015-08-25 07:45:36 -07:00