194 lines
5.4 KiB
SQL
194 lines
5.4 KiB
SQL
-- Find unexpected hidden directories in operating-system foldersbin/
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--
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-- references:
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-- * https://themittenmac.com/what-does-apt-activity-look-like-on-macos/
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--
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-- false positives:
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-- * unusual installers
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--
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-- platform: posix
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-- tags: persistent filesystem state
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SELECT
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file.path,
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file.inode,
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file.directory,
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uid,
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gid,
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mode,
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mtime,
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((strftime('%s', 'now') - file.ctime) / 86400) AS mtime_age_days,
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ctime,
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type,
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size,
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hash.sha256,
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magic.data
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FROM
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file
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LEFT JOIN hash ON file.path = hash.path
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LEFT JOIN magic ON file.path = magic.path
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WHERE
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(
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file.path LIKE '/lib/.%'
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OR file.path LIKE '/.%'
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OR file.path LIKE '/bin/%/.%'
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OR file.path LIKE '/dev/.%'
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OR file.path LIKE '/etc/.%'
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OR file.path LIKE '/etc/%/.%'
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OR file.path LIKE '/lib/%/.%'
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OR file.path LIKE '/libexec/.%'
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OR file.path LIKE '/Library/.%'
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OR file.path LIKE '/sbin/.%'
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OR file.path LIKE '/sbin/%/.%'
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OR file.path LIKE '/tmp/.%'
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OR file.path LIKE '/usr/bin/.%'
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OR file.path LIKE '/usr/lib/.%'
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OR file.path LIKE '/usr/lib/%/.%'
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OR file.path LIKE '/usr/libexec/.%'
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OR file.path LIKE '/usr/local/bin/.%'
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OR file.path LIKE '/usr/local/lib/.%'
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OR file.path LIKE '/usr/local/lib/.%'
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OR file.path LIKE '/usr/local/libexec/.%'
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OR file.path LIKE '/usr/local/sbin/.%'
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OR file.path LIKE '/usr/sbin/.%'
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OR file.path LIKE '/var/.%'
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OR file.path LIKE '/var/%/.%'
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OR file.path LIKE '/var/lib/.%'
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OR file.path LIKE '/var/tmp/.%'
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)
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AND file.path NOT LIKE '%/../'
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AND file.path NOT LIKE '%/./' -- Avoid mentioning extremely temporary files
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AND strftime('%s', 'now') - file.ctime > 20
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AND file.path NOT IN (
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'/.autorelabel',
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'/dev/.mdadm/',
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'/etc/.clean',
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'/etc/.java/',
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'/etc/.resolv.conf.systemd-resolved.bak',
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'/etc/selinux/.config_backup',
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'/etc/skel/.mozilla/',
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'/.file',
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'/lib/jvm/.java-1.17.0-openjdk-amd64.jinfo',
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'/tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress',
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'/tmp/._contentbarrier_installed',
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'/tmp/.dotnet/',
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'/tmp/.dracula-tmux-data',
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'/tmp/.dracula-tmux-weather.lock',
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'/tmp/.DS_Store',
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'/tmp/.font-unix/',
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'/tmp/.go-version',
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'/tmp/.ICE-unix/',
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'/tmp/.terraform/',
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'/tmp/.terraform.lock.hcl',
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'/tmp/.last_update_check.json',
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'/tmp/.last_survey_prompt.yaml',
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'/tmp/.Test-unix/',
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'/tmp/.docker/',
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'/tmp/.docker-tmp/',
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'/tmp/.vbox-t-ipc/',
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'/tmp/.X0-lock',
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'/tmp/.X11-unix/',
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'/tmp/.X1-lock',
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'/tmp/.eos-update-notifier.log',
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'/tmp/.X2-lock',
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'/tmp/.XIM-unix/',
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'/usr/lib/jvm/.java-1.17.0-openjdk-amd64.jinfo',
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'/var/db/.AppleInstallType.plist',
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'/var/db/.AppleUpgrade',
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'/var/db/.com.apple.iokit.graphics',
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'/var/db/.GKRearmTimer',
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'/var/db/.LastGKApp',
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'/tmp/.accounts-agent/',
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'/tmp/.content-agent/',
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'/tmp/.audio-agent/',
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'/tmp/.ui-agent/',
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'/tmp/.featureflags-agent/',
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'/tmp/.settings-agent/',
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'/tmp/.metrics-agent/',
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'/tmp/.updater-agent/',
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'/var/db/.LastGKReject',
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'/var/db/.MASManifest',
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'/var/db/.SoftwareUpdateOptions',
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'/var/db/.StagedAppleUpgrade',
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'/var/db/.SystemPolicy-default',
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'/var/.ntw_cache',
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'/var/setup/.TemporaryItems',
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'/var/.Parallels_swap/',
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'/var/.pwd_cache',
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'/var/root/.lesshst',
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'/var/root/.bash_history',
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'/var/root/.bash_profile',
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'/var/root/.cache/',
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'/var/root/.CFUserTextEncoding',
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'/var/root/.forward',
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'/var/root/.nix-channels',
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'/var/root/.nix-defexpr/',
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'/var/root/.nix-profile/',
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'/var/root/.osquery/',
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'/var/root/.Trash/',
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'/var/root/.viminfo',
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'/var/run/.heim_org.h5l.kcm-socket',
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'/var/run/.sim_diagnosticd_socket',
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'/var/run/.vfs_rsrc_streams_0x2b725bbfb94ba4ef0/',
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'/var/setup/.AppleSetupUser',
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'/var/setup/.TemporaryItems/',
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'/.vol/',
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'/.VolumeIcon.icns'
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)
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AND file.directory NOT IN ('/etc/skel', '/etc/skel/.config')
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AND file.path NOT LIKE '/%bin/bootstrapping/.default_components'
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AND file.path NOT LIKE '/tmp/.#%'
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AND file.path NOT LIKE '/tmp/.wine-%'
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AND file.path NOT LIKE '/tmp/.%.gcode'
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AND file.path NOT LIKE '/tmp/.vbox-%-ipc/'
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AND file.path NOT LIKE '/tmp/.io.nwjs.%'
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AND file.path NOT LIKE '/tmp/.com.google.Chrome.%'
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AND file.path NOT LIKE '/tmp/.org.chromium.Chromium%'
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AND file.path NOT LIKE '/var/run/.vfs_rsrc_streams_%/'
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AND file.path NOT LIKE '/tmp/.X1%-lock'
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AND file.path NOT LIKE '/usr/local/%/.keepme'
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AND file.path NOT LIKE '%/.build-id/'
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AND file.path NOT LIKE '%/.dwz/'
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AND file.path NOT LIKE '%/.updated'
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AND file.filename NOT LIKE '.%.swo'
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AND file.filename NOT LIKE '.%.swp'
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AND file.path NOT LIKE '%/google-cloud-sdk/.install/'
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AND NOT (
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type = 'regular'
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AND (
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filename LIKE '%.swp'
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OR size < 2
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)
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)
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AND NOT (
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type = 'regular'
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AND filename = '.placeholder'
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) -- A curious addition seen on NixOS and Fedora machines
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AND NOT (
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file.path = '/.cache/'
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AND file.uid = 0
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AND file.gid = 0
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AND file.mode IN ('0755', '0700')
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AND file.size < 4
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)
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-- Ecamm Live
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AND NOT (
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file.path LIKE "/tmp/.elive%"
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AND file.size < 7
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)
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AND NOT (
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file.path = '/.config/'
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AND file.uid = 0
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AND file.gid = 0
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AND file.mode IN ('0755', '0700')
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AND file.size = 4
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)
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AND NOT (
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file.path LIKE '/tmp/.java_pid%'
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AND file.type = 'socket'
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AND file.size = 0
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)
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AND NOT (
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file.path = '/var/root/.oracle_jre_usage/'
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AND file.size = 96
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)
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