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Added support for subnets to intel-framework.

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The intel-framework now supports the new indicator type Intel::SUBNET.
As subnets are matched against seen addresses, the field matched was
introduced to indicate which indicator types caused the hit. A testcase
for subents was added and the old ones have been updated accordingly.
This commit is contained in:
Jan Grashoefer 2016-03-22 19:16:51 +01:00
parent 06faee2cc8
commit cafae5351b
8 changed files with 158 additions and 49 deletions
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23
testing/btest/Baseline/scripts.base.frameworks.intel.match-subnet/output Normal file
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#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path intel
#open 2016-03-22-18-11-34
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p fuid file_mime_type file_desc seen.indicator seen.indicator_type seen.where seen.node matched sources
#types time string addr port addr port string string string string enum enum string set[enum] set[string]
1458670294.227182 - - - - - - - - 192.168.1.1 Intel::ADDR SOMEWHERE bro Intel::ADDR source1
1458670294.227182 - - - - - - - - 192.168.2.1 Intel::ADDR SOMEWHERE bro Intel::SUBNET source1
1458670294.227182 - - - - - - - - 192.168.142.1 Intel::ADDR SOMEWHERE bro Intel::ADDR,Intel::SUBNET source1
#close 2016-03-22-18-11-34
Seen: [indicator=192.168.1.1, indicator_type=Intel::ADDR, host=192.168.1.1, where=SOMEWHERE, node=bro, conn=<uninitialized>, f=<uninitialized>]
Item: [indicator=192.168.1.1, indicator_type=Intel::ADDR, meta=[source=source1, desc=this host is just plain baaad, url=http://some-data-distributor.com/1]]
Seen: [indicator=192.168.2.1, indicator_type=Intel::ADDR, host=192.168.2.1, where=SOMEWHERE, node=bro, conn=<uninitialized>, f=<uninitialized>]
Item: [indicator=192.168.2.0/24, indicator_type=Intel::SUBNET, meta=[source=source1, desc=this subnetwork is just plain baaad, url=http://some-data-distributor.com/2]]
Seen: [indicator=192.168.142.1, indicator_type=Intel::ADDR, host=192.168.142.1, where=SOMEWHERE, node=bro, conn=<uninitialized>, f=<uninitialized>]
Item: [indicator=192.168.142.0/24, indicator_type=Intel::SUBNET, meta=[source=source1, desc=this subnetwork is baaad, url=http://some-data-distributor.com/4]]
Item: [indicator=192.168.142.1, indicator_type=Intel::ADDR, meta=[source=source1, desc=this host is just plain baaad, url=http://some-data-distributor.com/3]]
Item: [indicator=192.168.128.0/18, indicator_type=Intel::SUBNET, meta=[source=source1, desc=this subnetwork might be baaad, url=http://some-data-distributor.com/5]]