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fpr: docker, fish, Stream Deck, rsync, lima, macOS

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This commit is contained in:
Thomas Stromberg 2023-09-26 15:14:38 -04:00
parent 25f7c2cacd
commit f73263bece
Failed to extract signature
16 changed files with 46 additions and 4 deletions
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1
detection/c2/unexpected-dns-traffic-events.sql
View File

@ -79,6 +79,7 @@ WHERE
'ZaloCall,8.8.8.8,53',
'Telegram,8.8.8.8,53',
'Meeting Center,8.8.8.8,53',
'limactl,8.8.8.8,53',
'signal-desktop,8.8.8.8,53',
'slack,8.8.8.8,53',
'EpicWebHelper,8.8.4.4,53',

1
detection/c2/unexpected-https-linux.sql
View File

@ -172,6 +172,7 @@ WHERE
'500,git,0u,0g,git',
'500,git-remote-http,0u,0g,git-remote-http',
'500,git-remote-http,u,g,git-remote-http',
'500,com.docker.backend,0u,0g,com.docker.back',
'500,gitsign,0u,0g,gitsign',
'500,gitsign,500u,0g,gitsign',
'500,gitsign,500u,500g,gitsign',

15
detection/c2/unexpected-talker-events.sql
View File

@ -100,7 +100,9 @@ WHERE
)
AND NOT exception_key IN (
'500,0,123,sntp',
'500,0,443,com.google.one.NetworkExtension',
'500,0,22,ssh',
'500,0,443,com.apple.NRD.UpdateBrainService',
'500,0,31488,sntp',
'500,0,32768,ksfetch',
'500,0,32768,syncthing',
@ -132,14 +134,25 @@ WHERE
'500,500,32768,cloud-sql-proxy',
'500,500,32768,ksfetch',
'500,500,4318,Code Helper (Plugin)',
'500,500,80,Code Helper (Plugin)',
'500,500,443,aws',
'500,500,443,cloud_sql_proxy',
'500,500,443,Code Helper (Plugin)',
'500,500,443,Code Helper',
'500,500,443,grype',
'500,500,443,copilot-agent-macos-arm64',
'500,500,443,Electron',
'500,500,443,chainctl',
'500,0,80,http',
'500,500,443,figma_agent',
'500,0,443,fwupdmgr',
'500,500,443,GitX',
'500,0,110,syncthing',
'500,500,80,Code Helper (Plugin)',
'500,500,80,ksfetch',
'500,500,443,gitsign',
'500,500,443,go',
'500,0,443,OneDriveStandaloneUpdater',
'500,500,443,ksfetch',
'500,500,443,node',
'500,500,443,old',
@ -148,6 +161,8 @@ WHERE
'500,500,80,copilot-agent-macos-arm64',
'500,500,80,node'
)
AND NOT exception_key LIKE '500,500,443,terraform%'
AND NOT exception_key LIKE '500,0,%,chrome'
AND NOT (
basename = "Python"
AND (

9
detection/c2/unexpected-talkers-linux.sql
View File

@ -237,10 +237,17 @@ WHERE
AND s.protocol = 6
AND p.euid > 500
)
AND NOT (
p.name = 'ruby'
AND p.cmdline LIKE '%fluentd%'
AND s.remote_port > 1024
AND s.protocol = 6
AND p.euid > 500
)
AND NOT (
p.name = 'java'
AND p.cmdline LIKE '/home/%/PhpStorm%'
AND s.remote_port > 1024
AND s.remote_port > 79
AND s.protocol = 6
AND p.euid > 500
)

2
detection/evasion/hidden-cwd-events-linux.sql
View File

@ -71,6 +71,8 @@ WHERE
)
OR exception_key LIKE '%sh,~/.Trash'
)
AND NOT pe.cwd LIKE '%/build/%'
AND NOT pe.cwd LIKE '%/out/%'
GROUP BY
p.cmdline,
p.cwd;

1
detection/evasion/unexpected-user-shared-entries.sql
View File

@ -79,6 +79,7 @@ WHERE
'/Users/Shared/Relocated Items',
'/Users/Shared/TechSmith'
)
OR file.path LIKE '/Users/Shared/Epic Games/%'
OR file.path LIKE "/Users/Shared/Previously Relocated Items %/%"
OR (
file.path LIKE "%.plist"

1
detection/evasion/unusual-process-name-linux.sql
View File

@ -94,6 +94,7 @@ WHERE
"xdg-permission-store",
"xdg-desktop-portal",
"xdg-document-portal",
'udevadm',
"xdg-desktop-portal-gnome",
"xdg-desktop-portal-gtk",
"nm-applet",

2
detection/execution/exotic-commands-macos.sql
View File

@ -95,7 +95,7 @@ WHERE
)
AND NOT (
p0_cmd LIKE '%UserKnownHostsFile=/dev/null%'
AND p1.name LIKE 'limactl%'
AND p0_cmd LIKE "%lima/%"
)
AND NOT (
p0_cmd LIKE '%UserKnownHostsFile=/dev/null%'

2
detection/exfil/high_disk_bytes_read.sql
View File

@ -106,6 +106,7 @@ WHERE
'Safari',
'sh',
'plasmashell',
'rsync',
'slack',
'spotify',
'steam',
@ -131,6 +132,7 @@ WHERE
'/app/libexec/mediawriter/helper',
'/usr/bin/darktable',
'/usr/libexec/snapd/snapd',
'/usr/bin/rsync',
'/usr/bin/dockerd',
'/usr/bin/gnome-shell',
'/usr/bin/teskdisk',

1
detection/exfil/yara-unexpected-rust-http-exec-process.sql
View File

@ -51,6 +51,7 @@ WHERE
AND yara.count > 0
AND p0.name NOT IN (
'old',
'stable',
'fig-darwin-universal',
'wezterm-gui'
)

1
detection/initial_access/unexpected-diskimage-source-macos.sql
View File

@ -144,6 +144,7 @@ WHERE
'flipperzero.one',
'dl.google.com',
'duckduckgo.com',
'go.dev',
'dygma.com',
'emacsformacosx.com',
'getkap.co',

3
detection/persistence/minimal-socket-client-linux.sql
View File

@ -46,7 +46,8 @@ WHERE p0.path != '' -- optimization: focus on longer running processes
'/usr/lib/electron/chrome-sandbox',
'/usr/bin/i3blocks'
)
AND p0.name NOT IN ('chrome_crashpad', 'dhcpcd', 'Brackets-node') -- optimization: minimalistic daemons typically only run 1 pid per path
AND p0.name NOT IN ('chrome_crashpad', 'dhcpcd', 'stern', 'Brackets-node') -- optimization: minimalistic daemons typically only run 1 pid per path
AND p0.path NOT LIKE '/home/%/go/bin/%'
AND pos.family != 1
AND pos.pid > 0
AND pos.state != 'LISTEN'

1
detection/persistence/unexpected-launchd-program-macos.sql
View File

@ -34,6 +34,7 @@ WHERE
'Developer ID Application: Canonical Group Limited (X4QN7LTP59)',
'Developer ID Application: Creative Labs Pte. Ltd. (5Q3552844F)',
'Developer ID Application: Docker Inc (9BNSXJN65R)',
'Developer ID Application: Jonathan Bullard (Z2SG5H3HC8)',
'Developer ID Application: Ilya Parniuk (ACC5R6RH47)',
'Developer ID Application: Fortinet, Inc (AH4XFXJ7DK)',
'Developer ID Application: Hercules Labs Inc. (B8PC799ZGU)',

1
detection/persistence/unexpected-listening-port-macos.sql
View File

@ -125,6 +125,7 @@ WHERE
'53,6,65,mDNSResponder,Software Signing',
'5454,6,0,xrdd,Developer ID Application: X-Rite, Incorporated (2K7GT73B4R)',
'546,17,0,configd,Software Signing',
'49152,6,500,Stream Deck,Developer ID Application: Corsair Memory, Inc. (Y93VXCB8Q5)',
'547,17,500,dhcp6d,Software Signing',
'5900,6,0,launchd,Software Signing',
'5900,6,0,screensharingd,Software Signing',

1
detection/persistence/unexpected-uid0-daemon-linux.sql
View File

@ -76,6 +76,7 @@ WHERE
AND exception_key NOT IN (
'(sd-pam),/usr/lib/systemd/systemd,0,user.slice,user-0.slice,0755',
'sshd,/usr/sbin/sshd,0,user.slice,user-501.slice,0755',
'docker,/usr/local/bin/docker,0,user.slice,user-1000.slice,0755',
'launcher,/usr/local/kolide-k2/bin/launcher,0,system.slice,launcher.kolide-k2.service,0755',
'.tailscaled-wra,/nix/store/__VERSION__/bin/.tailscaled-wrapped,0,system.slice,tailscaled.service,0555',
'/usr/bin/monito,/usr/bin/perl,0,system.slice,monitorix.service,0755',

8
detection/persistence/yara-suspicious-strings-process-linux.sql
View File

@ -67,7 +67,7 @@ WHERE
$avahi = "avahi-daemon:"
$redhat4 = "Red Hat 4"
condition:
filesize < 10MB and 2 of them
filesize < 25MB and 3 of them
}'
AND yara.count > 0
AND p0.name NOT IN (
@ -88,12 +88,18 @@ WHERE
'/usr/bin/bash',
'/usr/bin/gnome-software',
'/usr/bin/gpg-agent',
'/bin/fish',
'/usr/bin/fish',
'/usr/bin/ibus-daemon',
'/usr/bin/make',
'/usr/bin/docker-proxy',
'/usr/bin/NetworkManager',
'/usr/bin/nvidia-persistenced',
'/usr/lib/systemd/systemd-machined',
'/usr/bin/pulseaudio',
'/usr/bin/udevadm',
'/usr/sbin/crond',
'/usr/sbin/gdm',
'/usr/bin/update-notifier',
'/usr/bin/Xwayland',
'/usr/lib/bluetooth/bluetoothd',