Honeypot attack session (period 2021_2022), commands issued:
echo "Z""IGAZAGA148""8"
cat /dev/stdin | sh
#!/usr/bin/sh
#timeout=30
killSTDIN() {
processID=$(ps -u | grep -v 'grep' | grep cat | grep '/dev/stdin' | head -n 1 | awk -F ' ' '{ print $2 }');
ps -u | grep -v grep | grep cat | grep /dev/stdin | head -n 1 | awk -F   { print $2 }
$(kill -9 $processID);
kill -9 $processID
}
endScript() {
echo "K""G""B""_CLOSE";
$(exec 1>&-);
exec 1 >& -
killSTDIN;
start(){
startResult=$(echo "[""[""[");
echo [[[
stopResult=$(echo "]""]""]");
echo ]]]
cmd=$(uname -a);
uname -a
echo $startResult$cmd$stopResult;
start;
endScript;
cmd=$(id);
id
#timeout=20
cmd='N/A';
if [ -f $(which uptime) ]; then
which uptime
cmd=$(uptime);
uptime
fi

MITRE ATT&CK techniques observed:
T1059 Command and Scripting Interpreter
T1082 System Information Discovery
T1059 Command and Scripting Interpreter
T1424 Process Discovery
T1489 Service Stop
T1027 Obfuscated Files or Information
T1564 Hide Artifacts
T1489 Service Stop
T1059 Command and Scripting Interpreter
T1087 Account Discovery
T1124 System Time Discovery
T1489 Service Stop
T1087 Account Discovery
T1489 Service Stop
T1124 System Time Discovery
T1083 File and Directory Discovery
T1124 System Time Discovery