AIEngine is a next generation interactive/programmable Python/Ruby/Java/Lua packet inspection engine with capabilities of learning without any human intervention, NIDS(Network Intrusion Detection System) functionality, DNS domain classification, network collector, network forensics and many others.
This actual project is on https://bitbucket.org/camp0/aiengine
AIEngine also helps network/security professionals to identify traffic and develop signatures for use them on NIDS, Firewalls, Traffic classifiers and so on.
The main functionalities of AIEngine are:
- Support for interacting/programing with the user while the engine is running.
- Support for PCRE JIT for regex matching.
- Support for regex graphs (complex detection patterns).
- Support five types of NetworkStacks (lan,mobile,lan6,virtual and oflow).
- Support Sets and Bloom filters for IP searches.
- Support Linux, FreeBSD and MacOS operating systems.
- Support for HTTP,DNS and SSL Domains matching.
- Support for banned domains and hosts for HTTP, DNS, SMTP and SSL.
- Frequency analysis for unknown traffic and auto-regex generation.
- Generation of Yara signatures.
- Easy integration with databases (MySQL, Redis, Cassandra, Hadoop, etc...) for data correlation.
- Easy integration with other packet engines (Netfilter).
- Support memory clean caches for refresh stored memory information.
- Support for detect DDoS at network/application layer.
- Support for rejecting TCP/UDP connections.
- Support for network forensics on real time.
- Supports protocols such as Bitcoin,CoAP,DHCP,DNS,GPRS,GRE,HTTP,ICMPv4/ICMPv6,IMAP,IPv4/v6,Modbus, MPLS,MQTT,NTP,OpenFlow,POP,RTP,SIP,SMTP,SSDP,SSL,TCP,UDP,VLAN,VXLAN.
To use AIEngine(reduce version) just execute the binary aiengine or use the python/ruby/java/lua binding.
luis@luis-xps:~/c++/aiengine/src$ ./aiengine -h
aiengine 1.5
Mandatory arguments:
-I [ --input ] arg Sets the network interface ,pcap file or
directory with pcap files.
Link Layer optional arguments:
-q [ --tag ] arg Selects the tag type of the ethernet layer (vlan,mpls).
TCP optional arguments:
-t [ --tcp-flows ] arg (=32768) Sets the number of TCP flows on the pool.
UDP optional arguments:
-u [ --udp-flows ] arg (=16384) Sets the number of UDP flows on the pool.
Regex optional arguments:
-R [ --enable-signatures ] Enables the Signature engine.
-r [ --regex ] arg (=.*) Sets the regex for evaluate agains the flows.
-c [ --flow-class ] arg (=all) Uses tcp, udp or all for matches the signature
on the flows.
-m [ --matched-flows ] Shows the flows that matchs with the regex.
-j [ --reject-flows ] Rejects the flows that matchs with the
regex.
-w [ --evidence ] Generates a pcap file with the matching
regex for forensic analysis.
Frequencies optional arguments:
-F [ --enable-frequencies ] Enables the Frequency engine.
-g [ --group-by ] arg (=dst-port) Groups frequencies by src-ip,dst-ip,src-por
t and dst-port.
-f [ --flow-type ] arg (=tcp) Uses tcp or udp flows.
-L [ --enable-learner ] Enables the Learner engine.
-k [ --key-learner ] arg (=80) Sets the key for the Learner engine.
-b [ --buffer-size ] arg (=64) Sets the size of the internal buffer for
generate the regex.
-y [ --enable-yara ] Generates a yara signature.
Optional arguments:
-n [ --stack ] arg (=lan) Sets the network stack (lan,mobile,lan6,virtual,
oflow).
-d [ --dumpflows ] Dump the flows to stdout.
-s [ --statistics ] arg (=0) Show statistics of the network stack (5 levels).
-T [ --timeout ] arg (=180) Sets the flows timeout.
-P [ --protocol ] arg Show statistics of a specific protocol of the
network stack.
-e [ --release ] Release the caches.
-l [ --release-cache ] arg Release a specific cache.
-p [ --pstatistics ] Show statistics of the process.
-h [ --help ] Show help.
-v [ --version ] Show version string.
AIEngine supports five types of Network stacks depending on the network topology.
-
StackLan (lan) Local Area Network based on IPv4.
-
StackLanIPv6 (lan6) Local Area Network with IPv6 support.
-
StackMobile (mobile) Network Mobile (Gn interface) for IPv4.
-
StackVirtual (virtual) Stack for virtual/cloud environments with VxLan and GRE Transparent.
-
StackOpenFlow (oflow) Stack for openflow environments.
AIEngine is a python/ruby/java/lua module also that allows to be more flexible in terms of integration with other systems and functionalities. The main objects that the python module provide export are the following ones.
DNSInfo
BitcoinInfo
DatabaseAdaptor (Abstract class)
DomainName
DomainNameManager
Flow
FlowManager
Frequencies
FrequencyGroup
HTTPInfo
HTTPUriSet
IMAPInfo
IPAbstractSet (Abstract class)
IPSet
IPSetManager
LearnerEngine
NetworkStack (Abstract class)
StackLan
StackLanIPv6
StackMobile
StackOpenFlow
StackVirtual
POPInfo
PacketDispatcher
PacketFrequencies
Regex
RegexManager
SIPInfo
SMTPInfo
SSLInfo
MQTTInfo
CoAPInfo
For a complete description of the class methods
import pyaiengine
help(pyaiengine)
Check the configuration wiki pages or the examples directory in order to have more interesting examples. [https://bitbucket.org/camp0/aiengine/wiki/Configurations]
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ make
The first option for compile the library is using O3 compile optimization, this will generate a small library
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ cd src
$ make python
$ python pyai_test.py
The second option will compile the library by using the standard pythonic way by using setup.py, this will generate a bigger library size if compare with the previous one.
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ cd src
$ python setup.py build_ext -i
$ python pyai_test.py
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ cd src
$ make ruby
$ ruby ruai_tests.rb
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ cd src
$ make java
$ java -cp ".:/usr/share/java/junit.jar:/usr/share/java/hamcrest/core.jar:./buildjava" org.junit.runner.JUnitCore JunitTestSuite
$ git clone https://bitbucket.com/camp0/aiengine
$ ./autogen.sh
$ ./configure
$ cd src
$ make lua
$ lua luai_tests.lua
AIEngine is develop with c++11/14 standard and is under the terms of GPLv2.
Check out the AIEngine source with
$ git clone https://bitbucket.com/camp0/aiengine
If you are interested in some functionality or some help just drop me an email. Contributions are always helpful.
AIEngine have been develop using test driven development. So in order to maintain the same life cicle, the new functionatly should have unit test on the directory created of the new functionality and for integrate with all the system, later integrate with the main tests.cc file on the /src directory
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