Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects PowerShell processes using the .NET System.IO.File methods (SetLastWriteTime, SetCreationTime, SetLastAccessTime) to modify file timestamps, a common anti-forensic technique to obfuscate file creation or modification times.
Detects the execution of PowerShell or Windows Script Host (wscript/cscript) spawned by explorer.exe that utilize hidden window styles and target suspicious filenames or external paths, often indicative of a dropper or malicious script stage.
Detects the execution of PowerShell or Windows Script Host (wscript/cscript) spawned by explorer.exe that utilize hidden window styles and target suspicious filenames or external paths, often indicative of a dropper or malicious script stage.
Detects the execution of PowerShell or Windows Script Host (wscript/cscript) spawned by explorer.exe that utilize hidden window styles and target suspicious filenames or external paths, often indicative of a dropper or malicious script stage.
Detects the execution of PowerShell or Windows Script Host (wscript/cscript) spawned by explorer.exe that utilize hidden window styles and target suspicious filenames or external paths, often indicative of a dropper or malicious script stage.
Detects specific file artifacts associated with an AsyncRAT infection chain that leverages a renamed AutoIT interpreter. The rule looks for the presence of a renamed executable, an encrypted .ini loader script, and an unnamed binary payload staged within a temporary directory, as well as associated batch script activity.
Detects the execution of MSBuild.exe initiated by PowerShell involving specific suspicious file names or extensions (.csproj, .xml) or project naming conventions, followed immediately (within 15 minutes) by an external network connection from the MSBuild process to a specific suspicious IP address or non-standard port.
This rule monitors for the creation or renaming of executable files (.exe) within the 'Users\Public' directory. This directory is commonly used by adversaries for staging malicious payloads, as it is writable by standard users and often overlooked by security controls.
Detects usage of msiexec.exe to execute an MSI package from a remote URL. This technique is often used to download and execute malicious installers directly from the internet, bypassing local file storage.
This rule detects the execution of a specific MSI package identified by its filename and hash (MD5/SHA256). The rule monitors 'msiexec.exe' process executions and alerts when the process command line or file hash matches a known malicious indicator.
Detects the execution of cmd.exe as a child process of msiexec.exe, specifically when the command line includes 'xupdate.bat' and references a suspicious file path within 'AppData\Roaming\Traiolx Custom Utils'. This pattern is indicative of potential malicious installer abuse or software updates being used for code execution.
Detects the execution of 'mshta.exe' loading an .hta file containing specific suspicious terms ('VLC', 'Presentation', 'Denver'), followed by the spawning of child processes such as 'wscript.exe', 'cscript.exe', 'powershell.exe', 'cmd.exe', or 'wmic.exe'. This pattern is frequently used to proxy execution of malicious scripts via legitimate Windows binaries.
Detects the execution of a specific Visual Basic script named 'Telegram_Private_Call_Session.vbs' by Windows scripting utilities (wscript.exe, cscript.exe) or the Microsoft HTML Application host (mshta.exe). This pattern is often associated with the execution of malicious scripts disguised as legitimate communication application components.
Detects a specific sandbox/analysis evasion pattern associated with the QUICAgent malware, which involves a tight hashing loop and a randomized 100-600ms delay occurring between process initiation and the first outbound network connection.
Detects file creation, renaming, or deletion events within the Recycle Bin directory involving suspicious filenames or PDF files, which may indicate an adversary attempting to hide, stage, or delete evidence.
This rule detects a suspicious sequence of events where a process related to Electron (a framework often used for cross-platform desktop applications) executes a hidden, obfuscated PowerShell command, followed by a subsequent PowerShell command to modify Microsoft Defender settings by adding an exclusion path for the 'AppData' directory within 10 minutes of the first process.
This rule detects a suspicious sequence of events where a process related to Electron (a framework often used for cross-platform desktop applications) executes a hidden, obfuscated PowerShell command, followed by a subsequent PowerShell command to modify Microsoft Defender settings by adding an exclusion path for the 'AppData' directory within 10 minutes of the first process.
Detects Vidar Stealer v2.x-3.x custom VM bytecode interpreter used to deobfuscate strings via a fetch-decode-execute loop with sparse opcode dispatch and single accumulator
Detects Vidar Stealer v2.x-3.x custom VM bytecode interpreter used to deobfuscate strings via a fetch-decode-execute loop with sparse opcode dispatch and single accumulator
Detects Vidar's custom stream cipher used for string/config decryption: FNV-1a mixing of the VM-derived key combined with golden-ratio nonce mixing and per-build ARX round constants
Detects Vidar's custom stream cipher used for string/config decryption: FNV-1a mixing of the VM-derived key combined with golden-ratio nonce mixing and per-build ARX round constants
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