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[Rule Tuning] Startup or Run Key Registry Modification #4710

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[Rule Tuning] Startup or Run Key Registry Modification #4710

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103 changes: 73 additions & 30 deletions rules/windows/persistence_run_key_and_startup_broad.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
creation_date = "2020/11/18"
integration = ["endpoint"]
maturity = "production"
updated_date = "2025/02/03"
updated_date = "2025/05/08"

[transform]
[[transform.osquery]]
Expand Down Expand Up @@ -170,8 +170,9 @@ registry where host.os.type == "windows" and event.type == "change" and
"\"?:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe\" --no-startup-window /prefetch:5"
) or

process.name : "GoogleUpdate.exe" and registry.data.strings : (
"\"?:\\Users\\*\\AppData\\Local\\Google\\Update\\*\\GoogleUpdateCore.exe\""
process.name : ("GoogleUpdate.exe", "updater.exe") and registry.data.strings : (
"\"?:\\Users\\*\\AppData\\Local\\Google\\Update\\*\\GoogleUpdateCore.exe\"",
"\"?:\\Users\\*\\AppData\\Local\\Google\\GoogleUpdater\\*\\updater.exe\" --wake"
)
)
) or
Expand All @@ -186,41 +187,37 @@ registry where host.os.type == "windows" and event.type == "change" and
"\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --no-startup-window --win-session-start"
) or

process.name : ("Update.exe", "Teams.exe") and registry.data.strings : (
process.name : ("Update.exe", "Teams.exe", "ms-teamsupdate.exe") and registry.data.strings : (
"?:\\Users\\*\\AppData\\Local\\Microsoft\\Teams\\Update.exe --processStart \"Teams.exe\" --process-start-args \"--system-initiated\"",
"?:\\ProgramData\\*\\Microsoft\\Teams\\Update.exe --processStart \"Teams.exe\" --process-start-args \"--system-initiated\""
"?:\\ProgramData\\*\\Microsoft\\Teams\\Update.exe --processStart \"Teams.exe\" --process-start-args \"--system-initiated\"",
"ms-teamsupdate.exe -UninstallT20"
) or

process.name : "OneDriveStandaloneUpdater.exe" and registry.data.strings : (
"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\*\\Microsoft.SharePoint.exe"
) or

process.name : "OneDriveSetup.exe" and
registry.data.strings : (
"?:\\Windows\\system32\\cmd.exe /q /c * \"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\*\"",
process.name : ("OneDrive*.exe", "Microsoft.SharePoint.exe") and registry.data.strings : (
"?:\\Program Files\\Microsoft OneDrive\\OneDrive.exe /background *",
"?:\\Program Files (x86)\\Microsoft OneDrive\\OneDrive.exe /background*",
"\"?:\\Program Files (x86)\\Microsoft OneDrive\\OneDrive.exe\" /background*",
"?:\\Program Files\\Microsoft OneDrive\\OneDrive.exe /background *",
"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\??.???.????.????\\Microsoft.SharePoint.exe"
) or

process.name : "OneDrive.exe" and registry.data.strings : (
"\"?:\\Program Files\\Microsoft OneDrive\\OneDrive.exe\" /background",
"\"?:\\Program Files (x86)\\Microsoft OneDrive\\OneDrive.exe\" /background",
"\"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe\" /background"
"\"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe\" /background",
"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\??.???.????.????\\Microsoft.SharePoint.exe",
"?:\\Windows\\system32\\cmd.exe /q /c * \"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\*\""
) or

process.name : "Microsoft.SharePoint.exe" and registry.data.strings : (
"?:\\Users\\*\\AppData\\Local\\Microsoft\\OneDrive\\??.???.????.????\\Microsoft.SharePoint.exe"
) or


process.name : "MicrosoftEdgeUpdate.exe" and registry.data.strings : (
"\"?:\\Users\\Expedient\\AppData\\Local\\Microsoft\\EdgeUpdate\\*\\MicrosoftEdgeUpdateCore.exe\""
"\"?:\\Users\\*\\AppData\\Local\\Microsoft\\EdgeUpdate\\*\\MicrosoftEdgeUpdateCore.exe\""
) or

process.executable : "?:\\Program Files (x86)\\Microsoft\\EdgeWebView\\Application\\*\\Installer\\setup.exe" and
registry.data.strings : (
"\"?:\\Program Files (x86)\\Microsoft\\EdgeWebView\\Application\\*\\Installer\\setup.exe\" --msedgewebview --delete-old-versions --system-level --verbose-logging --on-logon"
) or

process.name : "BingWallpaper.exe" and registry.data.strings : (
"C:\\Users\\*\\AppData\\Local\\Temp\\*\\UnInstDaemon.exe"
) or

/* Discord Update.exe via reg.exe */
process.name : "reg.exe" and registry.data.strings : (
"\"C:\\Users\\*\\AppData\\Local\\Discord\\Update.exe\" --processStart Discord.exe"
)
)
) or
Expand Down Expand Up @@ -271,7 +268,8 @@ registry where host.os.type == "windows" and event.type == "change" and

/* CCleaner */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "PIRIFORM SOFTWARE LIMITED" and
process.code_signature.trusted == true and
process.code_signature.subject_name in ("PIRIFORM SOFTWARE LIMITED", "Gen Digital Inc.") and
process.name : ("CCleanerBrowser.exe", "CCleaner64.exe") and registry.data.strings : (
"\"C:\\Program Files (x86)\\CCleaner Browser\\Application\\CCleanerBrowser.exe\" --check-run=src=logon --auto-launch-at-startup --profile-directory=\"Default\"",
"\"C:\\Program Files\\CCleaner\\CCleaner64.exe\" /MONITOR"
Expand All @@ -281,9 +279,12 @@ registry where host.os.type == "windows" and event.type == "change" and
/* Opera */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "Opera Norway AS" and
process.name : "opera.exe" and registry.data.strings : (
process.name : ("opera.exe", "assistant_installer.exe") and registry.data.strings : (
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera\\launcher.exe",
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera GX\\launcher.exe"
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera\\opera.exe",
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera GX\\launcher.exe",
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera GX\\opera.exe",
"?:\\Users\\*\\AppData\\Local\\Programs\\Opera\\assistant\\browser_assistant.exe"
)
) or

Expand All @@ -301,7 +302,49 @@ registry where host.os.type == "windows" and event.type == "change" and
(
process.code_signature.trusted == true and process.code_signature.subject_name == "Grammarly, Inc." and
process.name : "GrammarlyInstaller.exe" and registry.data.strings : (
"?:\\Users\\*\\AppData\\Local\\Grammarly\\DesktopIntegrations\\Grammarly.Desktop.exe"
"?:\\Users\\*\\AppData\\Local\\Grammarly\\DesktopIntegrations\\Grammarly.Desktop.exe",
"\"?:\\Users\\*\\AppData\\Local\\Grammarly\\DesktopIntegrations\\Grammarly.Desktop.exe\""
)
) or

/* AVG */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "AVG Technologies USA, LLC" and
process.name : "AVGBrowser.exe" and registry.data.strings : (
"\"C:\\Program Files\\AVG\\Browser\\Application\\AVGBrowser.exe\"*",
"\"C:\\Users\\*\\AppData\\Local\\AVG\\Browser\\Application\\AVGBrowser.exe\"*"
)
) or

/* HP */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "HP Inc." and
process.name : "ScanToPCActivationApp.exe" and registry.data.strings : (
"\"C:\\Program Files\\HP\\HP*"
)
) or

/* 1Password */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "Agilebits" and
process.name : "1PasswordSetup*.exe" and registry.data.strings : (
"\"C:\\Users\\*\\AppData\\Local\\1Password\\app\\?\\1Password.exe\" --silent"
)
) or

/* OpenVPN */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "OpenVPN Inc." and
process.name : "OpenVPNConnect.exe" and registry.data.strings : (
"C:\\Program Files\\OpenVPN Connect\\OpenVPNConnect.exe --opened-at-login --minimize"
)
) or

/* Docker */
(
process.code_signature.trusted == true and process.code_signature.subject_name == "Docker Inc" and
process.name: "com.docker.backend.exe" and registry.data.strings : (
"C:\\Program Files\\Docker\\Docker\\Docker Desktop.exe -Autostart"
)
)
)
Expand Down
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