Merge pull request #354 from Limmen/add_level_15

Level 15 is added, this level has 4 nodes with 1 flag.

emulation-system/envs/050/level_15/Makefile

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+
+# Installs the configuration in the metastore
+install:
+	python config.py --install
+
+# Uninstalls the configuration from the metastore
+uninstall:
+	python config.py --uninstall
+
+# Cleans all configuration files
+clean_config:
+	rm -rf ./config.json
+	rm -rf ./containers

emulation-system/envs/050/level_15/README.MD

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+# Capture the Flag - Level 15
+
+An emulation environment with a set of nodes that run common networked services such as SSH, Kafka, 
+etc. Some of the services are vulnerable to simple dictionary attacks as they use weak passwords. 
+The task of an attacker agent is to identify the vulnerabilities and exploit them and discover hidden flags
+on the nodes. Conversely, the task of the defender is to harden the defense of the nodes and to detect the 
+attacker. 
+
+- Number of nodes: 4
+- IDS: Yes (Snort)
+- Traffic generation: Yes
+- Number of flags: 1
+- Vulnerabilities: SSH, FTP, Telnet servers that can be compromised using dictionary attacks
+
+## Architecture
+<p align="center">
+<img src="env.png" width="600">
+</p>
+
+
+## Useful commands
+
+```bash
+make install # Install the emulation in the metastore
+make uninstall # Uninstall the emulation from the metastore
+make clean_config # Clean config files 
+docker container ls --all # list all running containers
+docker image ls --all # list all images
+docker system prune # remove unused images and containers
+docker container prune # remove stopped containers
+sudo useradd -rm -d /home/csle_admin -s /bin/bash -g root -G sudo -p "$(openssl passwd -1 'csle@admin-pw_191')" csle_admin
+docker run --name=iperf3 -d --restart=unless-stopped -p 5201:5201/tcp -p 5201:5201/udp mlabbe/iperf3 # Start the iperf server on the host
+iperf3 -R -c <SERVER> # network performance, where <SERVER> is the IP where the iperf server is running e.g. the host 172.31.212.92   
+```
+
+## Author & Maintainer
+
+Kim Hammar <kimham@kth.se>
+Forough Shahab <foro@kth.se>
+
+## Copyright and license
+
+[LICENSE](../../../../../LICENSE.md)
+
+Creative Commons
+
+(C) 2020-2024, Kim Hammar