forked from p34709852/monkey
52 lines
3.8 KiB
Markdown
52 lines
3.8 KiB
Markdown
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---
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title: "Scanners"
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date: 2020-07-14T08:43:12+03:00
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draft: false
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weight: 20
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pre: '<i class="fas fa-network-wired"></i> '
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tags: ["reference"]
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---
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The Infection Monkey agent has two steps before attempting to exploit a victim, scanning and fingerprinting, it's possible to customize both steps in the configuration files.
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## Scanning
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Currently there are two scanners, [`PingScanner`][ping-scanner] and [`TcpScanner`][tcp-scanner] both inheriting from [`HostScanner`][host-scanner].
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The sole interface required is the `is_host_alive` interface, which needs to return True/False.
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[`TcpScanner`][tcp-scanner] is the default scanner and it checks for open ports based on the `tcp_target_ports` configuration setting.
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[`PingScanner`][ping-scanner] sends a ping message using the host OS utility `ping`.
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## Fingerprinting
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Fingerprinters are modules that collect server information from a specific victim. They inherit from the [`HostFinger`][host-finger] class and are listed under `finger_classes` configuration option.
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Currently implemented Fingerprint modules are:
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1. [`SMBFinger`][smb-finger] - Fingerprints target machines over SMB. Extracts computer name and OS version.
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2. [`SSHFinger`][ssh-finger] - Fingerprints target machines over SSH (port 22). Extracts the computer version and SSH banner.
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3. [`PingScanner`][ping-scanner] - Fingerprints using the machines TTL, to differentiate between Linux and Windows hosts.
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4. [`HTTPFinger`][http-finger] - Fingerprints over HTTP/HTTPS, using the ports listed in `HTTP_PORTS` in the configuration. Returns the server type and if it supports SSL.
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5. [`MySQLFinger`][mysql-finger] - Fingerprints over MySQL (port 3306). Extracts MySQL banner info - Version, Major/Minor/Build and capabilities.
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6. [`ElasticFinger`][elastic-finger] - Fingerprints over ElasticSearch (port 9200). Extracts the cluster name, node name and node version.
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## Adding a scanner/fingerprinter
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To add a new scanner/fingerprinter, create a new class that inherits from [`HostScanner`][host-scanner] or [`HostFinger`][host-finger] (depending on the interface). The class should be under the network module and should be imported under [`network/__init__.py`](https://github.com/guardicore/monkey/blob/master/monkey/infection_monkey/network/__init__.py).
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To be used by default, two files need to be changed - [`config.py`](https://github.com/guardicore/monkey/blob/master/monkey/infection_monkey/config.py) and [`example.conf`](https://github.com/guardicore/monkey/blob/master/monkey/infection_monkey/example.conf) to add references to the new class.
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At this point, the Monkey knows how to use the new scanner/fingerprinter but to make it easy to use, the UI needs to be updated. The relevant UI file is [`config.py`](https://github.com/guardicore/monkey/blob/master/monkey/monkey_island/cc/services/config.py) (not to be confused with the prior `config.py`).
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[elastic-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/elasticfinger.py
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[http-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/httpfinger.py
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[host-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/__init__.py
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[host-scanner]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/__init__.py
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[mysql-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/mysqlfinger.py
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[ping-scanner]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/ping_scanner.py
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[smb-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/smbfinger.py
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[ssh-finger]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/sshfinger.py
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[tcp-scanner]: https://github.com/guardicore/monkey/blob/develop/monkey/infection_monkey/network/tcp_scanner.py
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