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https://github.com/lmco/laikaboss

Laika BOSS: Object Scanning System
https://github.com/lmco/laikaboss

Last synced: 7 days ago
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Laika BOSS: Object Scanning System

Host: GitHub
URL: https://github.com/lmco/laikaboss
Owner: lmco
License: apache-2.0
Created: 2015-06-12T14:49:03.000Z (over 9 years ago)
Default Branch: master
Last Pushed: 2023-02-11T03:48:48.000Z (over 1 year ago)
Last Synced: 2024-04-16T07:46:00.510Z (7 months ago)
Language: Python
Size: 1.76 MB
Stars: 720
Watchers: 132
Forks: 155
Open Issues: 26
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING
- License: LICENSE

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README

# Laika BOSS: Object Scanning System

Laika is an object scanner and intrusion detection system that strives to achieve the following goals:

+ **Scalable**
+ Work across multiple systems
+ High volume of input from many sources

+ **Flexible**
+ Modular architecture
+ Highly configurable dispatching and dispositioning logic
+ Tactical code insertion (without needing restart)

+ **Verbose**
+ Generate more metadata than you know what to do with

Each scan does three main actions on each object:

+ **Extract child objects** Some objects are archives, some are wrappers, and others are obfuscators. Whatever the case may be, find children objects that should be scanned recursively by extracting them out.

+ **Mark flags** Flags provide a means for dispositioning objects and for pivoting on future analysis.

+ **Add metadata** Discover as much information describing the object for future analysis.

**Feel free to read the [whitepaper](https://github.com/lmco/laikaboss/raw/master/LaikaBOSS_Whitepaper.pdf)!**

## Components

Laika is composed of the following pieces:

+ **Framework** (`laika.py`) This is the core of Laika BOSS. It includes the object model and the dispatching logic.

+ **laikad** This piece contains the code for running Laika as a deamonized, networked service using the ZeroMQ broker.

+ **cloudscan** A command-line client for sending a local system file to a running service instance of Laika (laikad).

+ **modules** The scan itself is composed of the running of modules. Each module is its own program that focuses on a particular sub-component of the overall file analysis.

## Getting Started

Laika BOSS has been tested on the latest versions of CentOS and Ubuntu LTS

### Installing on Ubuntu

1. Install framework dependencies:

```shell
apt-get install yara python-yara python-progressbar python-pip
pip install interruptingcow
```

2. Install network client and server dependencies:

```shell
apt-get install libzmq3 python-zmq python-gevent python-pexpect
```

3. Install module dependencies:

```shell
apt-get install python-ipy python-m2crypto python-pyclamd liblzma5 libimage-exiftool-perl python-msgpack libfuzzy-dev python-cffi python-dev unrar
pip install fluent-logger olefile ssdeep py-unrar2 pylzma javatools
wget https://github.com/smarnach/pyexiftool/archive/master.zip
unzip master.zip
cd pyexiftool-master
python setup.py build
python setup.py install
wget https://github.com/erocarrera/pefile/archive/pefile-1.2.10-139.tar.gz
tar vxzf pefile-1.2.10-139.tar.gz
cd pefile-1.2.10-139
python setup.py build
python setup.py install
```

### Installing on CentOS

1. Install framework dependencies

```shell
sudo yum install -y epel-release
sudo yum install -y autoconf automake libtool libffi-devel python-devel python-pip python-zmq ssdeep-devel swig
```

2. Install Python modules

```shell
pip install IPy cffi interruptingcow fluent-logger javatools m2crypto olefile pylzma pyclamd py-unrar2
pip install six --upgrade --force-reinstall
pip install ssdeep
```

3. Install Yara

There is no Yara package for CentOS, so we have to build it from source. You can't use a checkout from Github as it won't contain the Python code; you must download one of the [release versions](https://github.com/virustotal/yara/releases). The following uses Yara version 3.5.0

```shell
wget https://github.com/VirusTotal/yara/archive/v3.5.0.zip
unzip yara-3.5.0.zip
cd yara-3.5.0
chmod +x ./build.sh
./build.sh
sudo make install
cd yara-python
python setup.py build
sudo python setup.py install
```

4. Install pyexif

```shell
wget https://github.com/smarnach/pyexiftool/archive/master.zip
unzip master.zip
python setup.py build
sudo python setup.py install
```

5. Install pefile

```shell
wget https://github.com/erocarrera/pefile/archive/pefile-1.2.10-139.tar.gz
tar vxzf pefile-1.2.10-139.tar.gz
cd pefile-1.2.10-139
python setup.py build
python setup.py install --user
```

You may need to set the `LD_LIBRARY_PATH` variable to include `/usr/local/lib` when running Laika.

### Installing Laika BOSS (optional)

You may use the provided setup script to install the Laika BOSS framework, client library, modules and associated scripts (`laika.py`, `laikad.py`, `cloudscan.py`).

```shell
python setup.py install
```

#### Standalone instance

From the directory containing the framework code, you may run the standalone scanner, `laika.py` against any file you choose. If you move this file from this directory you'll have to specify various config locations. By default it uses the configurations in the `./etc` directory.

We recommend using installing [jq](http://stedolan.github.io/jq/) to parse Laika output.

```javascript
$ ./laika.py ~/test_files/testfile.cws.swf | jq '.scan_result[] | { "file type" : .fileType, "flags" : .flags, "md5" : .objectHash }'
100%[############################################] Processed: 1/1 total files (Elapsed Time: 0:00:00) Time: 0:00:00
{
"md5": "dffcc2464911077d8ecd352f3d611ecc",
"flags": [],
"file type": [
"cws",
"swf"
]
}
{
"md5": "587c8ac651011bc23ecefecd4c253cd4",
"flags": [],
"file type": [
"fws",
"swf"
]
}
```

#### Networked instance

```javascript
$ ./laikad.py

$ ./cloudscan.py ~/test_files/testfile.cws.swf | jq '.scan_result[] | { "file type" : .fileType, "flags" : .flags, "md5" : .objectHash }'
{
"md5": "dffcc2464911077d8ecd352f3d611ecc",
"flags": [],
"file type": [
"cws",
"swf"
]
}
{
"md5": "587c8ac651011bc23ecefecd4c253cd4",
"flags": [],
"file type": [
"fws",
"swf"
]
}
```

#### Milter

The Laika BOSS milter server allows you to integrate Laika BOSS with mail transfer agents such as Sendmail or Postfix. This enables better visibility (passive visibility can be hampered by TLS) and provides a means to block email according to Laika BOSS disposition.

The Laika BOSS milter server requires the [python-milter](https://pythonhosted.org/milter) module and the Laika BOSS client library. Check out the comments in the source code for more details.

#### Suricata Integration Prototype

We have released a proof of concept feature for Suricata that allows it to store extracted files and their associated metadata in a Redis database. You will find this code under a [new branch](https://github.com/lmco/suricata/tree/file_extract_redis_prototype_v1) in our Suricata fork. We hope to refine the implementation and eventually have it accepted by the project.

Once you've enabled file extraction and the optional Redis integration in Suricata, you can extract these files from Redis and submit them to Laika BOSS for scanning by using the middleware script `laika_redis_client.py` as shown below. Note that it requires the `python-redis` module.

First, start `laikad.py` in async mode:

```shell
./laikad.py -a
```

Then launch the middleware script and give it the address of the `laikad` broker and Redis database (defaults shown below):

```shell
./laika_redis_client.py -b tcp://localhost:5558 -r localhost -p 6379
```

Note that you will need to use a logging module such as `LOG_FLUENT` to export the full scan result of the these file scans from `laikad`.

## Licensing

The Laika framework and associated modules are released under the terms of the Apache 2.0 license.