Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
317 detections
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The KQL rule detects a ClickFix-style technique in which script hosts reference files disguised with an f_* naming pattern in browser profile cache directories. The key behavioural indicators are:
- Script hosts such as wscript.exe, cscript.exe, and mshta.exe referencing browser cache paths.
- Suspicious parent processes, including Explorer, command shells, and script hosts.
- Creation, modification, or renaming of t.vbs under the user's Temp directory by Windows Script Host.
- Script hosts such as wscript.exe, cscript.exe, and mshta.exe referencing browser cache paths.
- Suspicious parent processes, including Explorer, command shells, and script hosts.
- Creation, modification, or renaming of t.vbs under the user's Temp directory by Windows Script Host.
Detects mshta.exe launched with an inline javascript: one-liner that chains MSXML2.XMLHTTP to download, ADODB.Stream to write to disk, and WScript.Shell to execute. This identifies the ClickFix social engineering variant that fetches and executes payloads without using PowerShell.
Detects browser cache smuggling (ClickFix/FileFix delivery mechanisms) where a non-browser script interpreter or LOLBin accesses a browser HTTP-cache directory and writes an executable or script payload outside the cache, followed shortly by the execution of a payload from a user staging directory.
Detects endpoint network connections and correlates multi-stage communications associated with the ClickFix browser cache smuggling campaign, including initial payload retrieval and secondary stage/C2 communication across devices.
Detects Windows Terminal or related console hosts spawning PowerShell or PowerShell Core with command-line arguments indicative of staging, downloading, or executing remote scripts (such as encoded commands, Invoke-Expression, or web requests), commonly associated with ClickFix or social engineering techniques.
Detects suspicious command-line execution patterns involving Unix shells (bash, zsh, sh) spawned from terminal applications where tools like curl or wget are piped directly into a shell, base64 decoding is performed, osascript executes dialogs, or quarantine attributes are removed.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects the ClickFix/fake-CAPTCHA initial access pattern where users are socially engineered into copying and pasting malicious commands into the Windows Run dialog or a browser-spawned shell. The rule matches on process creation events involving mshta.exe, powershell.exe, or wscript.exe initiated by explorer.exe or common shell-related processes, filtering out known administrative and deployment software.
Detects ClickFix-style attacks where a user is tricked into copying and pasting malicious, often obfuscated, commands into the Windows Run dialog or a command prompt. The detection identifies suspicious parent processes (like explorer.exe) spawning shell interpreters (powershell.exe, cmd.exe, mshta.exe) with inline encoded payloads or remote content retrieval patterns. It correlates these process executions with recent entries in the Windows RunMRU registry key to identify commands triggered via the Run dialog.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects execution of common script interpreters (mshta, powershell, cmd, wscript) from typical UI-based process launch sources (explorer, RunDlg) when the command line includes indicators of malicious activity such as hidden window flags, obfuscated content, or remote URL downloads. This pattern is characteristic of ClickFix-style social engineering attacks where users are tricked into copying and executing malicious commands.
Detects a suspected ClickFix social engineering attack where a user is tricked into pasting malicious commands into Windows Terminal, leading to a PowerShell download, followed by the appearance of specific known malicious artifacts (LockScreenContentServer.exe, dui70.dll, or 1.bat) within 15 minutes on the same device.
Detects the insertion of a PowerShell download cradle command into the Windows Explorer RunMRU registry key. This activity is indicative of the 'ClickFix' technique, where a user is socially engineered to copy and paste a malicious command into the Windows Run dialog box.
Detects the 'ClickFix' social engineering pattern where a user is instructed to copy and paste a malicious command into the Windows Run dialog. The rule triggers on PowerShell being launched from explorer.exe with 'ExecutionPolicy Bypass', utilizing 'irm' (Invoke-RestMethod) to download content, and saving it to the user's TEMP directory via 'Out-File' for subsequent execution.
Detects host and browser fingerprinting reconnaissance behavior associated with the Macfinger/ClickFix infection chain. The rule identifies multiple disparate indicators (ClickFix tracker domain, ipinfo.io geolocation lookups, and known AMOS C2 IP contact) occurring on the same device within a 15-minute window, effectively reducing noise from isolated or benign network lookups.
Detects the FileFix execution chain, where victims are socially engineered into pasting a malicious path into the Windows Explorer address bar. This action results in explorer.exe launching suspicious command-line tools (cmd.exe, powershell.exe, wscript.exe, or cscript.exe) with suspicious flags or unusually long, potentially obfuscated arguments characteristic of a 'ClickFix' style attack.
Detects the 'ClickFix' social engineering pattern where a user is tricked into opening a terminal (Windows Terminal, PowerShell, or PowerShell ISE) and pasting a command. The rule specifically alerts on commands originating from explorer.exe that invoke web download utilities to fetch .zip archives, which are commonly associated with the Lorem Ipsum Loader initial access infection chain.
Detects potential 'ClickFix' activity where a browser or file explorer process initiates a shell (e.g., cmd, powershell, osascript) with command arguments indicative of remote script execution, obfuscated commands, or web-based payload downloading. This pattern matches known social engineering tactics that entice users to copy-paste malicious code into a system shell.
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