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lmd	7.47 KB	-rwxr-xr-x
maldet	7.47 KB	-rwxr-xr-x

Code Editor : lmd

#!/usr/bin/env bash
#
##
# Linux Malware Detect v1.6.6
#             (C) 2002-2025, R-fx Networks <proj@rfxn.com>
#             (C) 2025, Ryan MacDonald <ryan@rfxn.com>
# This program may be freely redistributed under the terms of the GNU GPL v2
##
#
PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
ver=1.6.6
inspath='/usr/local/maldetect'
intcnf="$inspath/internals/internals.conf"
if [ -f "/etc/sysconfig/maldet" ]; then
        syscnf=/etc/sysconfig/maldet
elif [ -f "/etc/default/maldet" ]; then
        syscnf=/etc/default/maldet
fi

header() {
	echo "Linux Malware Detect v$ver"
	echo "            (C) 2002-2023, R-fx Networks <proj@rfxn.com>"
	echo "            (C) 2023, Ryan MacDonald <ryan@rfxn.com>"
	echo "This program may be freely redistributed under the terms of the GNU GPL v2"
	echo ""
}

if [ -f "$intcnf" ]; then
	source $intcnf
else
	header
	echo "maldet($$): {glob} \$intcnf not found, aborting."
	exit 1
fi

if [ -f "$cnf" ]; then
	source $cnf
else
	header
	echo "maldet($$): {glob} \$cnf not found, aborting."
	exit 1
fi

if [ -f "$intfunc" ]; then
	source $intfunc
else
	header
	echo "maldet($$): {glob} \$intfunct not found, aborting."
	exit 1
fi

if [ -f "$compatcnf" ]; then
	source $compatcnf
fi

if [ -f "$syscnf" ]; then
	source $syscnf
fi

# prerun operations
prerun

if [ -z "$1" ]; then
	header
	usage_short
else
	while [ -n "$1" ]; do
		case "$1" in
			--mkpubpaths)
				if [ "$scan_user_access" == "1" ]; then
					chmod 711 $userbasedir
					for user in `cat /etc/passwd | cut -d ':' -f1`; do
						uid=`id --user $user`
						if [ -z "$uid" ]; then
							uid=9
						fi
						if [ -z "$scan_user_access_minuid" ]; then
							scan_user_access_minuid=10
						fi
						if [ "$uid" -ge "$scan_user_access_minuid" ] && [ ! -d "$userbasedir/$user" ]; then
							mkdir -p $userbasedir/$user/quar $userbasedir/$user/sess $userbasedir/$user/tmp
							touch $userbasedir/$user/event_log
							chown -R $user $userbasedir/$user
							chmod 750 $userbasedir/$user $userbasedir/$user/quar $userbasedir/$user/sess $userbasedir/$user/tmp
							chmod 640 $userbasedir/$user/event_log
							eout "{glob} created public scanning paths for user $user"
						fi
						unset uid user
					done
					exit
				else
					header
					echo "public scanning support not enabled in $cnf, aborting."
					exit
				fi
			;;
			-hscan|--hook-scan|--modsec)
				hscan=1
			;;
			-U|--user)
				shift
				user="$1"
				quardir=$userbasedir/$user/quar
				sessdir=$userbasedir/$user/sess
				tmpdir=$userbasedir/$user/tmp
				maldet_log=$userbasedir/$user/event_log
			;;
			-co|--config-option)
				shift
				user=`whoami`
				if [ ! "$user" == "root" ]; then
					tmpdir=$userbasedir/$user/tmp
				fi
				tmpco=$tmpdir/config.cli
				rm -f $tmpco
				touch $tmpco
				echo ,$1 | sed -e 's/-$-config-option\|co$ //' -e 's/$, *[a-zA-Z0-9_][a-zA-Z0-9_]*=$/\n\1\n/g' | sed -e '1d' -e 's/^$[^,].*\|.*[^=]$$/"\1"/' | sed -e '$!N;s/\n//' -e 's/^, *//' | grep -v "^ *compatcnf" > $tmpco
				. $tmpco
				rm -f $tmpco
				if [ -f "$compatcnf" ]; then
					source $compatcnf
				fi
			;;
			-qd)
				shift
				if [ -d "$1" ];  then
					eout "{scan} set quarantine path: $1" 1
					quardir="$1"
				fi
			;;
			-b|--background)
				set_background=1
			;;
			-c|--checkout)
				shift
				header
				checkout "$1"
			;;
			-x|--exclude-regex)
				shift
				if [ "$1" ]; then
					exclude_regex="-not -regex \"$1\""
				fi
			;;
			-i|--include-regex)
				shift
				if [ "$1" ]; then
					include_regex="-regex \"$1\""
				fi
			;;
			--wget-proxy|--curl-proxy|--web-proxy)
				shift
				if [ "$1" ]; then
					web_proxy="$1"
				fi
			;;
			--alert-daily|--monitor-report)
				genalert digest
			;;
			-m|--monitor)
				header
				shift
				if [ "$OSTYPE" == "FreeBSD" ]; then
					eout "{mon} not currently supported under FreeBSD" 1
				elif [ "$1" == "reload" ] || [ "$1" == "RELOAD" ]; then
					eout "{mon} queued monitor for configuration reload" 1
					touch $inspath/reload_monitor
				elif [ ! -f "$(which ed 2> /dev/null)" ]; then
					eout "{mon} could not find monitor mode dependency 'ed' in PATH, please apt/yum/dnf install ed and try again." 1
				else
					svc=m
					trap trap_exit 2
					monitor_init "$1"
				fi
			;;
			-k|--kill-monitor|-kill)
				header
				if [ "$OSTYPE" == "FreeBSD" ]; then
					eout "{mon} not currently supported under FreeBSD" 1
				else
					monitorpid=`pgrep -f inotify.paths.[0-9]+`
					if [ -z "$monitorpid" ]; then
						eout "{mon} could not find running inotifywait process, are we already dead?" 1
					else
						eout "{mon} sent kill to monitor service (pid: $monitorpid)" 1
						monitor_kill
					fi
				fi
			;;
			-f|--file-list)
				shift
				if [ -z "$hscan" ]; then
					header
				fi
				svc=f
				trap trap_exit 2
				file_list="$1"
				if [ ! -f "$file_list" ]; then
					eout "{scan} file does not exist ($1)" 1
					exit 1
					elif [ ! -s "$file_list" ]; then
					eout "{scan} file list is empty ($1)" 1
					exit 1
				fi
				if [ "$set_background" == "1" ]; then
					eout "{scan} launching scan of $spath to background, see $maldet_log for progress" 1
					scan "$spath" "$file_list" >> /dev/null 2>&1 &
				else
					scan "$spath" "$file_list"
				fi
			;;
			-a|--scan-all)
				shift
				if [ -z "$hscan" ]; then
					header
				fi
				svc=a
				trap trap_exit 2
				spath="$1"
				hrspath="$1"
				if [ "$spath" == "" ]; then
					spath=/home
					hrspath="$spath"
				fi
				if [ "$set_background" == "1" ]; then
					eout "{scan} launching scan of $spath to background, see $maldet_log for progress" 1
					scan "$spath" all >> /dev/null 2>&1 &
				else
					scan "$spath" all
				fi
			;;
			-r|--scan-recent)
				header
				svc=r
				trap trap_exit 2
				shift
				spath="$1"
				hrspath="$1"
				shift
				days="$1"
				if [ -z "$spath" ]; then
					eout "{scan} no path defined" 1
					exit
				fi
				if [ -z "$days" ]; then
					days=7
				fi
				if [ "$set_background" == "1" ]; then
					eout "{scan} launching scan of $spath changes in last ${days}d to background, see $maldet_log for progress" 1
					scan "$spath" "$days" >> /dev/null 2>&1 &
				else
					scan "$spath" "$days"
				fi
			;;
			-l|--log)
				header
				view
			;;
			-e|--report)
				header
				shift
				view_report "$1" "$2"
			;;
			-E|--dump-report)
				header
				shift
				dump_report "$1"
			;;
			-p|--purge)
				header
				purge
			;;
                        -d|--update-ver|--update-version)
				shift
                                if [ ! "$1" == "1" ]; then
                                        header
				fi
				if [ "$1" == "--force" ]; then
					lmdup_force=1
                                elif [ "$1" == "--beta" ]; then
					lmdup_beta=1
				fi
                                lmdup
                        ;;
                        -u|--update|--update-sigs)
                                shift
                                if [ ! "$1" == "1" ]; then
                                        header
				fi
				if [ "$1" == "--force" ]; then
					sigup_force=1
                                fi
                                sigup
                        ;;
			-s|--restore)
				header
				shift
				if [ -f "$sessdir/session.hits.$1" ]; then
					restore_hitlist "$1"
				else
					restore "$1"
				fi
			;;
			-q|--quarantine)
				header
				shift
				quar_hitlist "$1"
			;;
			-n|--clean)
				header
				shift
				clean_hitlist "$1"
			;;
			-h|--help)
				header
				usage_long | more
			;;
			*)
				header
				usage_short
		esac
		shift
	done
fi

# import any remote configuration data
import_conf

# postrun operations
postrun

${this.title}

Code Editor : lmd