Mini Shell

v1.4.1 | Nov 20th 2011:
[Change] rfxn.com ftp server moved and anonymous FTP checkout uploads changed
[Change] modsec.sh force sets clamav_scan=0 as native LMD scanner engine is faster on
         single / small file sets
[Fix] correct plesk if statement added to to daily scan cronjob
[New] added -U|--user to force execution under defined user, ideal for restoring user
      quarantined data or viewing user reports
      e.g: maldet --user nobody --report
      e.g: maldet --user nobody --restore 050910-1534.21135
[New] added public_scan variable to conf.maldet to control enabling of public mode
      scanning, disabled by default
[New] added cron.d/maldet_pub cronjob to populate public user paths when public mode
      scanning is enabled; does nothing when disabled
[Change] README file updated, had fallen behind on CLI usage help details
[New] added -co|--config-option for defining conf.maldet options on the CLI
[Fix] README, COPYING.GPL and CHANGELOG are now properly copied into the installation path
[Fix] version header in config import template was incorrect
[Fix] value of email_ignore_clean is now properly preserved on version upgrades
[New] added modsec.sh to allow for easy calls from mod_security2 inspectFile hook
[Change] autodetect executing uid and define public mode scanning variables
[New] added public mode scanning which redefines tmpdir, sessdir, quardir to pub/username/
      directory tree for user initiated (non-root) scans
[Change] installation permissions changed to 644/755 for public mode support
[Change] revised (gz)base64 rules to be more specific thus reducing false positives
[Fix] tlog was set to use /bin/sh which breaks usage on systems with default shells other
      than bash

v1.4.0 | Apr 17th 2011:
[Change] default editor now inherited from $EDITOR
[New] clamav signatures update through sigup(), -u|--update
[New] cleaner rules update through sigup(), -u|--update
[Change] added error checking for missing or corrupted signature files
[Fix] monitor_cycle() now properly trims inotify_log
[Fix] version dates in CHANGELOG for 1.3.8 -> current had 2010 instead of 2011
[New] added -b|--background flag to execute scans in background
[Change] cron.daily now uses the -b flag for background scanning
[Change] wget calls now use the --referer option to broadcast local LMD version
[Fix] replaced stray references of absolute install path with the install path variable
[New] stage2 (HEX) scanner now supports use of named pipe (FIFO) for passing file hex contents,
      enabled by default, provides better performance with larger depth anlaysis of files
[New] added hex_fifo_scan & hex_fifo_depth variables to conf.maldet for fifo hex scanning
[Change] -c|--checkout now supports directory paths
[Change] -r|--scan-recent and -a|--scan-all now supports single file scans
[Fix] replaced absolute path to nice on inotifywait exec to which located variable value
[Change] added error checking for all internally required binaries e.g: wget, find, od etc...
[New] detection of ClamAV clamscan binary and usage as default scanner engine; when detected,
      clamscan is executed on scan file lists using rfxn.com LMD clamav-compat sigs
[Change] added OSTYPE check for differentiating md5 sum binaries on linux and FreeBSD
[Change] added OSTYPE check on monitor mode to disable on FreeBSD, pending kqueue alternative
         to inotifywait
[Fix] revised od flags for FreeBSD support
[Fix] ignore_inotify now properly interprets extended posix regexp as ignore parameters
[Change] added sample ignore values into ignore_inotify along with sane defaults to
         ignore common noisy files
[New] added statistical analysis for string length to identify threats based on the longest
      uninterrupted string within files, common of obfuscated code (e.g: base64, gzip etc...)
[New] added string_length_scan & string_length variables to conf.maldet for strlength scanning
[Fix] ignore_file_ext has been readded and now correctly ignores files based on extension
[Fix] replaced absolute path to mail with which located variable value
[Fix] lmdup() now properly errors out when rfxn.com web server is offline
[New] added clamav_scan variable to conf.maldet to toggle clamscan detection
[New] Full compatibility under the following distros has been verified :)
        - FreeBSD 9.0-CURRENT
        - RHEL/CentOS 5.6
        - RHEL 6
        - Fedora Core 14
        - OpenSuse 11.4
        - Suse Linux Enterprise Server 11 SP1
        - Ubuntu Desktop/Server 10.10
        - Debian 6.0.1a
[Change] updated README file for new features & vars, sample ignore usage, revised features
         and updated cymru hash statistics
[Fix] relaxed grep for inotify sysfunctions to just inotify_ on System.map file
[New] can now pass list to -e|--report to view all available scan reports
      e.g: maldet --report list
[New] can now pass an e-mail address to -e|--report to email a specific report
      e.g: maldet --report SCANID user@domain.com
[New] added email_ignore_clean variable to suppress alerts where all hits are cleaned

v1.3.9 | Mar 16th 2011:
[Fix] ignore files are now properly imported on version updates
[Change] cron.daily now checks for version updates
[Fix] hexdepth greater than 65Kb caused an 'argument list too long' error with hexstring.pl
      which would fail-clean any malware on hex checks
[Change] default hex depth increased to 61440 as there was an increasing margin of error on
         missing threats due to them falling outside the default hexdepth; will add offset
         option to signatures in the near future
[Change] updated cymru hash statistics in README file

v1.3.8 | Jan 30th 2011:
[Fix] revised inotify tracking log file to properly rotate instead of growing indefinitely

v1.3.7 | Nov 27th 2010:
[Fix] package ownership at some point got set to uid 501 instead of root
[Fix] daily cronjob now checks ps output for inotifywait proc instead of pidof
[Fix] monitor mode users would exit prematurely if a user home path did not exist
[Fix] a file hijacking race condition existed with quarantine mode restore function
[Fix] inotify max_user_instances value was being set to a value that would cause inotifywait
      to fail

v1.3.6 | May 21st 2010:
[Fix] restore option will now handle session based restores for quarantines that
      were manually invoked with -q|--quar SCANID
[Fix] session data gets recreated if it disappears during scan

v1.3.5 | May 18th 2010:
[Fix] tlog now handles data that logged between 0bytes and first wake cycle
[Fix] monitor_check now properly handles CREATE,ISDIR events
[Change] --alert-daily|weekly alerts have been changed similar to manual alerts
[Fix] cleaner was not properly running on monitor_check calls to scan files
[Fix] quar_suspend was not properly running on monitor_check calls to quar()
[Change] monitor tracker files now pass through trim_log to avoid oversizing
[Fix] monitor_check now properly handles path names with spaces
[Fix] monitor_check was throwing nx file/directory error for monitor.pid
[Fix] older bash versions were having trouble with the [[ =~ ]] regexp search
[Change] set all script files from shebang/bin/sh to shebang/bin/bash
[Change] --alert-daily|weekly will now only send alerts if hits were found
[New] -d|--update-ver now compares file hashes to determine update status
[Fix] suspend events were not properly being added to monitor alerts
[Change] all alerts have had spacing changes to make them more readable
[Fix] signature names now properly list for daily|weekly alerts hit list
[Fix] monitor_check will now recursive monitor newly created directories
[New] monitor daily|weekly alerts now save as a pseudo scan report with SCANID
[Fix] monitor reports now generate properly when quar_hits=0

v1.3.4 | May 16th 2010:
[Fix] cleaner function was not properly executing under certain conditions
[Change] additional error checking/output added to the cleaner function
[Change] default status output of scans changed for better performance
[New] added ignore_intofiy for ignoring paths from the monitor service
[Change] updated ignore section of README
[Fix] backreference errors kicking from scan_stage1 function
[New] -d|--update-ver option added to update installed version from rfxn.com
[Change] updated short and long usage output for update-ver usage
[Fix] -k|--kill-monitor now properly kills only the inotifywait/monitor pid's
[Fix] monitor_cycle function now correctly stores its pid in the pidfile
[Fix] files with multiple events in the same waking cycle are only scanned once
[Change] install.sh now symlinks maldet executable to /usr/local/sbin/lmd

v1.3.3 | May 15th 2010:
[Fix] quarantined files were not properly dropping owner
[New] signature based, rule driven, cleaner component added
[New] base64.inject cleaner rule
[New] gzbase64.inject cleaner rule
[New] -n|--clean SCANID option added to batch clean scan all files from a scan
[Fix] made default install file/path permissions more strict (750/640)
[New] install.sh now preserves conf.maldet settings
[New] install.sh now links backups of old installation to INSTALL_PATH.last
[Fix] install.sh now properly imports session data from previous install
[New] -s|--restore can now take a SCANID to batch restore all files from a scan
[Change] improved the layout of conf.maldet; more scan options and commenting
[New] added quar_susp_minuid option for suspend user minimum user id
[Fix] inotify monitor now properly acts on MODIFY,MOVE_TO,MOVE_FROM states
[Change] inotify monitor now can take a list of paths or file for path input
[Change] inotify monitor now has no default use, must specifiy USER|FILE|PATHS
[Change] revised short and long usage output for new options/usage changes
[Change] inotify monitor now spawns only one process for all monitored paths
[Change] inotify monitor sets max_user_instances to processors*2
[Change] inotify monitor sets max_user_watches to inotify_base_watches*users
[Change] migrated all inotify options from internals.conf to conf.maldet
[New] added inotify_base_watches to conf.maldet for max file wathces multiplier
[New] added inotify_nice to conf.maldet for run-time prio of inotifywait
[New] added inotify_webdir to conf.maldet for html/web root only monitoring
[Change] extensive format change to README
[Change] rewrote inotify section of README to reflect the many changes
[New] added cleaner section to README
[Change] -q|--quarantine now calls cleaner if quar_clean=1
[Change] -n|--clean can now do in place cleaning without quarantine
[Fix] cleaner function was not properly executing under certain conditions

v1.3.2 | May 13th 2010:
[New] added ignore files: ignore_paths , ignore_sigs 
[Change] ignore_sigs is processed as a pre-scan component before all scans
[Change] revised README file to include details on new ignore options
[Change] signature counts now displayed pre-scan and post-update
[Change] install.sh now runs --update after installation
[Fix] -p|--purge now properly clears session state data
[New] added [ SIGNATURE UPDATES ] section to README file
[Fix] some functions were referencing full paths instead of the variable equivs

v1.3.1 | May 12th 2010:
[Fix] typo in report command eout()
[Fix] cron.daily tmpwatch on invalid path
[Change] redirect stdout to /dev/null on tmpwatch calls in cron.daily
[Change] better commented cron.daily actions
[Change] cron.daily scans will now hit /home*/*/public_html on non-ensim systems
[Change] inotify monitor now properly handles any user homedir paths
[Fix] sigup will now download full signature set when no sigs are found local
[Fix] rewrote 17 signatures that would never match due to hexdepth restrictions
[Fix] removed some HEX signatures derived from ClamAV that would never hit
[Change] files must now be >32bytes to be included in search results
[Change] search results default to a max directory depth of 15
[New] added vars for minfilesize and maxdepth scan options
[Change] updated inotifywait to v1.3.6, statically linked binary
[Info] signature RSS and XML data sources added, see:
http://www.rfxn.com/signature-updates-rss-feed/
[Info] LMD now has a homepage on rfxn.com:
http://www.rfxn.com/projects/linux-malware-detect/
[New] adopted new versioning scheme 
      [MAJOR].[MINOR].[REV]
      1       3       1

v1.3 | May 11th 2010:
- First public release

v1.1 - v1.2 | Mar. 2010 - May 2010:
- Internal releases

v0.5 - v1.0 | Nov. 2009 - Feb. 2010:
- Closed beta

v0.4< | Oct. 2009:
- Internal releases