More tuning

This commit is contained in:
Thomas Stromberg 2022-09-08 14:20:42 -04:00
parent cbaf2f989c
commit b4dac11ceb
Failed to extract signature
9 changed files with 31 additions and 15 deletions

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@ -7,4 +7,5 @@ WHERE (
OR path LIKE "/dev/%/.%"
OR path LIKE "/dev/mqueue/%"
)
AND filename NOT IN ('.', '..')
AND filename NOT IN ('.', '..')
OR filename LIKE "pulse-shm-%"

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@ -1,4 +1,4 @@
SELECT * FROM file WHERE
SELECT path, uid, gid, mode, strftime('%s', 'now') - ctime AS mtime_age, FROM file WHERE
(path LIKE "/tmp/%%" OR path LIKE "/var/tmp/%%")
AND type = "regular"
AND mode LIKE "07%"
@ -11,3 +11,9 @@ AND PATH NOT LIKE "%/tmp/epdf%"
AND PATH NOT LIKE "%/pdf-tools/%"
AND PATH NOT LIKE "/tmp/%.sh"
AND PATH NOT LIKE "/tmp/terraformer/%"
AND PATH NOT LIKE "/tmp/checkout/%"
AND PATH NOT LIKE "/tmp/guile-%/guile-%"
-- Nix
AND NOT (directory LIKE "/tmp/tmp%" AND gid=0 AND uid> 300 AND uid< 350)
-- Don't alert if it's only on disk for a moment
AND NOT (directory LIKE "/tmp/%" AND mtime_age < 60)

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@ -1,4 +1,4 @@
SELECT *
SELECT lp.address, lp.port, lp.protocol, p.pid, p.name, p.path, p.cmdline
FROM listening_ports lp
JOIN processes p ON lp.pid = p.pid
WHERE port != 0
@ -16,6 +16,7 @@ WHERE port != 0
AND NOT (p.name='Brackets-node' AND lp.port=8123 AND lp.protocol=6)
AND NOT (p.name='chrome' AND lp.port>32000 AND lp.protocol IN (6,17))
AND NOT (p.name='code' AND p.cwd='/' AND lp.port=43233 AND lp.protocol=6)
AND NOT (p.name='code' AND p.cmdline LIKE "%extensionHost%" AND lp.port>32000 AND lp.protocol=6)
AND NOT (p.name='containerd' AND p.cwd='/' AND lp.port=10010 AND lp.protocol=6)
AND NOT (p.name='controlplane' AND p.cwd='/' AND lp.port IN (8008,8443) AND lp.protocol=6)
AND NOT (p.name='coredns' AND p.cwd='/' AND lp.port IN (8181,8080,9153,53) AND lp.protocol=6)

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@ -11,6 +11,7 @@ WHERE key = 'HISTFILE'
OR (
key = 'HOME'
AND NOT value LIKE '/home/%'
AND NOT value LIKE "/private/tmp/%/.brew_home"
AND NOT value LIKE "/var/lib/%"
AND NOT value LIKE "/Users/%"
AND NOT value IN ('/root', '/var/spool/cups/tmp', '/var/empty', '/var/db/cmiodalassistants', '/run/systemd' '/')

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@ -1,7 +1,8 @@
SELECT
s.state, s.family, s.socket, protocol, s.local_port, s.remote_port, s.local_address, s.remote_address, p.name, p.path, p.cmdline, p.cwd, s.fd, s.pid, s.net_namespace
s.family, protocol, s.local_port, s.remote_port, s.local_address, s.remote_address, p.name, p.path, p.cmdline AS child_cmd, p.cwd, s.pid, s.net_namespace, pp.cmdline AS parent_cmd
FROM process_open_sockets s
JOIN processes p ON s.pid = p.pid
JOIN processes pp ON pp.pid = p.parent
WHERE protocol > 0
AND s.remote_port > 0
AND s.remote_address NOT IN ('127.0.0.1', '::ffff:127.0.0.1', '::1')
@ -35,6 +36,7 @@ AND NOT (p.name='systemd-resolve' AND remote_port=53 AND protocol=17)
AND NOT (p.path = '/usr/bin/dnf' AND remote_port IN (80,443))
AND NOT (p.path = '/usr/bin/gnome-software' AND remote_port = 443)
AND NOT (p.path = '/usr/bin/sample' AND remote_port = 443)
AND NOT (p.path = '/usr/lib/snapd/snapd' AND remote_port = 443)
AND NOT (p.path = '/usr/libexec/rapportd' AND remote_port > 49000 and protocol=6)
AND NOT (p.path = '/usr/libexec/timed' AND remote_port = 123)
AND NOT (p.name = 'chronyd' AND remote_port = 123)
@ -45,7 +47,7 @@ AND NOT (p.path LIKE '/private/var/folders/%/Visual Studio Code.app/Contents/%'
AND NOT (p.path LIKE '/Users/%/.cache/trunk/cli/%/trunk' AND remote_port=443 AND s.protocol=6)
AND NOT (p.path LIKE '/Users/%/Library/Application Support/WebEx Folder/%/Meeting Center.app/Contents/MacOS/Meeting Center' AND p.cwd='/' AND remote_port=443 AND protocol=6)
AND NOT (p.path LIKE '/Users/%/Library/Application Support/WebEx Folder/%/Meeting Center.app/Contents/MacOS/Meeting Center' AND p.cwd='/' AND remote_port=9000 AND protocol=17)
AND NOT (p.path LIKE '%/firefox' AND remote_port IN (443,80))
AND NOT (p.path LIKE '%/firefox' AND remote_port IN (443,80) OR remote_port > 1024)
AND NOT (p.path LIKE '%/NetworkManager' AND remote_port IN (67,80))
AND NOT (p.path LIKE '%tailscaled%' AND remote_port IN (443,80))
AND NOT (p.path LIKE '%tailscaled%' AND remote_port > 32000)
@ -57,6 +59,7 @@ AND NOT (p.path='/System/Library/Frameworks/WebKit.framework/Versions/A/XPCServi
AND NOT (p.path='/System/Library/PrivateFrameworks/ApplePushService.framework/apsd' AND p.cwd='/' AND remote_port=5223 AND protocol=6)
AND NOT (p.path='/usr/local/libexec/ReceiverHelper.app/Contents/MacOS/ReceiverHelper' AND p.cwd='/' AND remote_port=443 AND protocol=6)
AND NOT (remote_port = 443 AND protocol IN (6,17) AND p.path = '/usr/bin/yay')
AND NOT (remote_port = 443 AND protocol IN (6,17) AND p.cmdline = 'npm update')
AND NOT (remote_port IN (443,53) AND protocol IN (6,17) AND p.path = '/usr/sbin/mDNSResponder')
AND NOT (remote_port = 443 AND protocol=6 AND p.path LIKE '/usr/libexec/%')
AND NOT (remote_port IN (80, 443) AND protocol IN (6,17) AND p.path LIKE '/Applications/%.app/Contents/%')
@ -72,6 +75,7 @@ AND NOT (remote_port=443 AND protocol IN (6,17) AND p.name IN (
'Brackets',
'chainctl',
'code',
'obs',
'containerd',
'controlplane',
'electron',
@ -94,6 +98,8 @@ AND NOT (remote_port=443 AND protocol IN (6,17) AND p.name IN (
'ngrok',
'nix',
'obsidian',
'obs-browser-page',
'obs-ffmpeg-mux',
'pacman',
'pingsender',
'signal-desktop',
@ -107,7 +113,8 @@ AND NOT (remote_port=443 AND protocol IN (6,17) AND p.name IN (
'tkn',
'vcluster',
'xmobar',
'zoom'
'zoom',
'node'
)
)
AND NOT (remote_port=443 AND protocol=6 AND p.name LIKE 'terraform-provider-%')

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@ -20,5 +20,7 @@ AND NOT p.path LIKE "/Library/Apple/System/%"
AND NOT p.path LIKE "/private/var/db/com.apple.xpc.roleaccountd.staging/%"
AND NOT p.path LIKE "/Library/Apple/System/Library/%"
AND NOT p.path LIKE "%-go-build%"
AND NOT p.directory LIKE "/home/%/go/bin"
AND NOT p.directory LIKE "/Users/%/go/bin"
AND NOT p.path LIKE "%/Library/Application Support/com.elgato.StreamDeck%"
AND NOT p.path LIKE "%/.vscode/extensions/%"

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@ -1,16 +1,13 @@
-- Detect poorly done timestamping
-- Alert on programs running that are over a year old
SELECT *,
-- Alert on programs running that are unusually old
SELECT p.path, p.cmdline, p.cwd,
((strftime('%s', 'now') - f.ctime) / 86400) AS ctime_age_days,
((strftime('%s', 'now') - f.ctime) / 86400) AS mtime_age_days,
((strftime('%s', 'now') - f.btime) / 86400) AS btime_age_days
FROM processes p
JOIN file f ON p.path = f.path
WHERE (
ctime_age_days > 982
OR mtime_age_days > 982
OR (
f.btime > 1
AND btime_age_days > 1200
)
)
ctime_age_days > 1000
OR mtime_age_days > 1000
)
AND path NOT LIKE "%/opt/brackets/Brackets%"

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@ -13,6 +13,7 @@ AND NOT (name='gopls' AND path LIKE '/home/%/bin/gopls')
AND NOT (name='gopls' AND path LIKE '/home/%/gopls/gopls')
AND NOT (name='gopls' AND path LIKE '/Users/%/bin/gopls')
AND NOT (name='gopls' AND path LIKE '/Users/%/gopls/gopls')
AND NOT (name='ruby' AND cmdline LIKE '%brew.rb upgrade')
AND NOT (name='kernel_task' AND path='' AND parent IN (0,1) AND on_disk=-1)
AND NOT (name='launcher' AND path='/usr/local/kolide-k2/bin/launcher-updates/1659471464/launcher')
AND NOT (name='logd' AND cmdline='/usr/libexec/logd' AND parent=1)