Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

76 detections

Detects Google Chrome launched with Chrome DevTools Protocol (CDP) remote-debugging flags on the fixed port 18907 used by XCSSET's persistence/browser-hijacking component, excluding known browser-automation tooling.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
12016
Detects CountLoader creating a scheduled task named GoogleUpdateService<GUID> via the Schedule.Service COM object to run an embedded Python environment (App.py) every 25 minutes, masquerading as a legitimate Google Update task.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
406
Detects PlistBuddy setting a StartInterval key on a com.*watchdog.plist LaunchAgent from a zsh parent process, indicating a coding-agent-driven persistence mechanism used to relaunch a reverse-tunnel watchdog after reboot or process termination.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
101
Correlates deletion of a scheduled task via the Schedule.Service COM object within an hour of creation of a suspiciously-named task (GoogleUpdateService, MSEdgeUpdateService, or MicroUpdaterV1), consistent with CountLoader's forensic-evidence cleanup command.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
305
Detects a full defense-evasion sequence against the drvsvc kernel service and its drv.sys driver: stop, poll, delete, and re-drop occurring within a short time window.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
004
Detects Google Chrome launched with Chrome DevTools Protocol (CDP) remote-debugging flags on the fixed port 18907 used by XCSSET's persistence/browser-hijacking component, excluding known browser-automation tooling.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
009
Detects a LaunchAgent plist written to ~/Library/LaunchAgents/ by a non-installer process, correlated with a launchctl load referencing an unsigned/ad hoc binary path within 15 minutes, consistent with the CountLoader macOS variant's persistence mechanism.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
503
Detects silent/quiet msiexec.exe installations of ScreenConnect RMM client using suspicious or renamed MSI filenames staged in Temp, AppData\Local\Temp, or Downloads directories, spawned from scripting interpreters, consistent with the SMOKE#SCREEN campaign's abuse of ScreenConnect for persistent access.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
302
Detects multiple G13-related artifacts (anticheatG13.sys, drv.sys, WindowsData*.log) dropped into Windows Temp or drivers directories within a 15-minute window by the same unsigned initiating process.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
002
Correlates installation of the G13 killer driver (drvsvc service, drv.sys/anticheatG13.sys image) with abnormal termination of known security-product processes shortly after, consistent with kernel-initiated memory corruption.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
002
Detects the MSEdgeUpdateService<GUID> fallback scheduled task that runs a patched conhost.exe (csvchost.exe) headless launch or patched PowerShell (psvchost.exe) to re-fetch CountLoader from C2 every 25 minutes.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
302
Detects the XCSSET fileless persistence pattern of writing/reading a Base64-encoded payload to a macOS 'defaults' preference domain and piping it directly to a shell interpreter.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
205
Detects the XCSSET chrome_remote backdoor spawning a shell via exec.Command in response to a console.log delimiter-prefixed command, implementing a fileless reverse shell over the CDP channel.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
004
Detects XCSSET resetting the TCC AppleEvents permission database via tccutil resetAppleEvents correlated with a subsequent fake System Settings/Xcode consent prompt, excluding known MDM tooling.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
004
Detects XCSSET resetting the TCC AppleEvents permission database via tccutil resetAppleEvents correlated with a subsequent fake System Settings/Xcode consent prompt, excluding known MDM tooling.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
004
Detects malicious .zshrc modifications appending a Base64-decode-and-pipe-to-shell or C2 curl pattern, correlated with Dock persistent-app entries pointing to non-standard/temp paths.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
104
Detects the XCSSET fileless persistence pattern of writing/reading a Base64-encoded payload to a macOS 'defaults' preference domain and piping it directly to a shell interpreter.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
003
Detects malicious .zshrc modifications appending a Base64-decode-and-pipe-to-shell or C2 curl pattern, correlated with Dock persistent-app entries pointing to non-standard/temp paths.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
103
Detects trojanized Finder/Xcode/Terminal/Reminders/SimulatorTrampoline application bundles located outside their standard system paths with ad-hoc or invalid code signatures, used to misuse and reset TCC permissions.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
002
Detects trojanized Finder/Xcode/Terminal/Reminders/SimulatorTrampoline application bundles located outside their standard system paths with ad-hoc or invalid code signatures, used to misuse and reset TCC permissions.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
102
Detects the XCSSET chrome_remote backdoor spawning a shell via exec.Command in response to a console.log delimiter-prefixed command, implementing a fileless reverse shell over the CDP channel.
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Duo Tech@duotech
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Detections.ai Community
3 months ago
401
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