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# Copyright (c) 2005 Reyk Floeter <reyk@vantronix.net>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Prelude Hybrid IDS LML sensor PCRE rules for the OpenBSD hostapd(8)
# http://www.prelude-ids.org/
#
# LOG: ath0: (rate: 100/3 sec) 00:02:dc:ed:3d:3f > 00:05:4e:45:d3:b8, bssid 00:05:4e:45:d3:b8: authentication request, <radiotap v0, chan 1, 11g, txpower 30dBm>
#
regex=([a-z0-9]+):\s\(rate:\s(\d+)\/(\d+)\ssec\)\s([a-f\d\:]+)\s\>\s([a-f\d\:]+)\,\sbssid\s([a-f\d\:]+)\:\s([^\,]+); \
classification.text=IEEE 802.11 $7 flooding; \
id=4500; \
revision=1; \
analyzer(0).name=openhostapd; \
analyzer(0).manufacturer=http://www.openbsd.org; \
analyzer(0).class=Router; \
assessment.impact.type=dos; \
assessment.impact.severity=high; \
assessment.impact.description=IEEE 802.11 $7 flooding from $4 to $5 on BSSID $6; \
source(0).interface=$1; \
target(0).node.address(0).category=mac; \
target(0).node.address(0).address=$5; \
target(0).node.address(1).category=mac; \
target(0).node.address(1).address=$6; \
additional_data(0).type=string; \
additional_data(0).meaning=Event detection rate; \
additional_data(0).data=$2/$3 sec; \
last
# LOG:Nov 23 19:05:49 ath0: (rate: 100/3 sec)
#
regex=([a-z0-9]+):\s\(rate:\s(\d+)\/(\d+)\ssec\); \
classification.text=IEEE 802.11 flooding; \
id=4501; \
revision=1; \
analyzer(0).name=openhostapd; \
analyzer(0).manufacturer=http://www.openbsd.org; \
analyzer(0).class=Router; \
assessment.impact.type=dos; \
assessment.impact.severity=high; \
assessment.impact.description=IEEE 802.11 flooding on interface $1; \
source(0).interface=$1; \
additional_data(0).type=string; \
additional_data(0).meaning=Event detection rate; \
additional_data(0).data=$2/$3 sec; \
last
# LOG: ath0: removed node 00:05:4e:45:d3:b8
#
regex=([a-z0-9]+):\sremoved\snode\s([a-f\d\:]+); \
classification.text=Removed IEEE 802.11 node; \
id=4502; \
revision=1; \
analyzer(0).name=openhostapd; \
analyzer(0).manufacturer=http://www.openbsd.org; \
analyzer(0).class=Router; \
assessment.impact.type=other; \
assessment.impact.severity=low; \
assessment.impact.description=Removed node $2 on interface $1; \
assessment.impact.completion=succeeded; \
source(0).interface=$1; \
target(0).node.address(0).category=mac; \
target(0).node.address(0).address=$2; \
last
# LOG: ath0/sis0: sent ADD notification for 00:05:4e:45:d3:b8
#
regex=([a-z0-9]+)\/([a-z0-9]+):\ssent\sADD\snotification\sfor\s([a-f\d\:]+); \
classification.text=Added IEEE 802.11 node; \
id=4503; \
revision=1; \
analyzer(0).name=openhostapd; \
analyzer(0).manufacturer=http://www.openbsd.org; \
analyzer(0).class=Router; \
assessment.impact.type=other; \
assessment.impact.severity=low; \
assessment.impact.description=Added node $3 on interface $1; \
assessment.impact.completion=succeeded; \
source(0).interface=$1; \
target(0).interface=$2; \
target(0).node.address(0).category=mac; \
target(0).node.address(0).address=$3; \
last
# LOG: ath0/sis0: attached Host AP interface with BSSID 00:05:4e:45:d3:b8
#
regex=([a-z0-9]+)\/([a-z0-9]+):\sattached\sHost\sAP\sinterface\swith\sBSSID\s([a-f\d\:]+); \
classification.text=Attached IEEE 802.11 Host AP; \
id=4504; \
revision=1; \
analyzer(0).name=openhostapd; \
analyzer(0).manufacturer=http://www.openbsd.org; \
analyzer(0).class=Router; \
assessment.impact.type=other; \
assessment.impact.severity=low; \
assessment.impact.description=Attached Host AP $3 on interface $1; \
assessment.impact.completion=succeeded; \
source(0).interface=$1; \
target(0).node.address(0).category=mac; \
target(0).node.address(0).address=$3; \
target(0).interface=$2; \
last
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