Sigma Rules
957 rules found for "Nasreddine Bencherchali (Nextron Systems)"
WinSxS Executable File Creation By Non-System Process
Detects the creation of binaries in the WinSxS folder by non-system processes
LiveKD Kernel Memory Dump File Created
Detects the creation of a file that has the same name as the default LiveKD kernel memory dump.
LiveKD Driver Creation
Detects the creation of the LiveKD driver, which is used for live kernel debugging
LiveKD Driver Creation By Uncommon Process
Detects the creation of the LiveKD driver by a process image other than "livekd.exe".
Process Monitor Driver Creation By Non-Sysinternals Binary
Detects creation of the Process Monitor driver by processes other than Process Monitor (procmon) itself.
PSEXEC Remote Execution File Artefact
Detects creation of the PSEXEC key file. Which is created anytime a PsExec command is executed. It gets written to the file system and will be recorded in the USN Journal on the target system
Potential Privilege Escalation Attempt Via .Exe.Local Technique
Detects potential privilege escalation attempt via the creation of the "*.Exe.Local" folder inside the "System32" directory in order to sideload "comctl32.dll"
UAC Bypass Using IDiagnostic Profile - File
Detects the creation of a file by "dllhost.exe" in System32 directory part of "IDiagnosticProfileUAC" UAC bypass technique
Visual Studio Code Tunnel Remote File Creation
Detects the creation of file by the "node.exe" process in the ".vscode-server" directory. Could be a sign of remote file creation via VsCode tunnel feature
Renamed VsCode Code Tunnel Execution - File Indicator
Detects the creation of a file with the name "code_tunnel.json" which indicate execution and usage of VsCode tunneling utility by an "Image" or "Process" other than VsCode.
Wmiexec Default Output File
Detects the creation of the default output filename used by the wmiexec tool
UEFI Persistence Via Wpbbin - FileCreation
Detects creation of a file named "wpbbin" in the "%systemroot%\system32\" directory. Which could be indicative of UEFI based persistence method
DLL Loaded From Suspicious Location Via Cmspt.EXE
Detects cmstp loading "dll" or "ocx" files from suspicious locations
Amsi.DLL Loaded Via LOLBIN Process
Detects loading of "Amsi.dll" by a living of the land process. This could be an indication of a "PowerShell without PowerShell" attack
Suspicious Renamed Comsvcs DLL Loaded By Rundll32
Detects rundll32 loading a renamed comsvcs.dll to dump process memory
Microsoft Excel Add-In Loaded From Uncommon Location
Detects Microsoft Excel loading an Add-In (.xll) file from an uncommon location
Microsoft VBA For Outlook Addin Loaded Via Outlook
Detects outlvba (Microsoft VBA for Outlook Addin) DLL being loaded by the outlook process
PowerShell Core DLL Loaded Via Office Application
Detects PowerShell core DLL being loaded by an Office Product
Remote DLL Load Via Rundll32.EXE
Detects a remote DLL load event via "rundll32.exe".
Potential Antivirus Software DLL Sideloading
Detects potential DLL sideloading of DLLs that are part of antivirus software suchas McAfee, Symantec...etc
Aruba Network Service Potential DLL Sideloading
Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking
Potential Chrome Frame Helper DLL Sideloading
Detects potential DLL sideloading of "chrome_frame_helper.dll"
Potential DLL Sideloading Via comctl32.dll
Detects potential DLL sideloading using comctl32.dll to obtain system privileges
Potential DLL Sideloading Of DBGCORE.DLL
Detects DLL sideloading of "dbgcore.dll"
Potential DLL Sideloading Of DBGHELP.DLL
Detects potential DLL sideloading of "dbghelp.dll"
Potential System DLL Sideloading From Non System Locations
Detects DLL sideloading of DLLs usually located in system locations (System32, SysWOW64, etc.).
Potential Goopdate.DLL Sideloading
Detects potential DLL sideloading of "goopdate.dll", a DLL used by googleupdate.exe
Potential DLL Sideloading Of Libcurl.DLL Via GUP.EXE
Detects potential DLL sideloading of "libcurl.dll" by the "gup.exe" process from an uncommon location
Potential Mfdetours.DLL Sideloading
Detects potential DLL sideloading of "mfdetours.dll". While using "mftrace.exe" it can be abused to attach to an arbitrary process and force load any DLL named "mfdetours.dll" from the current directory of execution.
Unsigned Mfdetours.DLL Sideloading
Detects DLL sideloading of unsigned "mfdetours.dll". Executing "mftrace.exe" can be abused to attach to an arbitrary process and force load any DLL named "mfdetours.dll" from the current directory of execution.
Potential DLL Sideloading Of MpSvc.DLL
Detects potential DLL sideloading of "MpSvc.dll".
Potential DLL Sideloading Of Non-Existent DLLs From System Folders
Detects loading of specific system DLL files that are usually not present on the system (or at least not in system directories) but may be loaded by legitimate processes, potentially indicating phantom DLL hijacking attempts. Phantom DLL hijacking involves placing malicious DLLs with names of non-existent system binaries in locations where legitimate applications may search for them, leading to execution of the malicious DLLs.
Microsoft Office DLL Sideload
Detects DLL sideloading of DLLs that are part of Microsoft Office from non standard location
Potential RoboForm.DLL Sideloading
Detects potential DLL sideloading of "roboform.dll", a DLL used by RoboForm Password Manager
DLL Sideloading Of ShellChromeAPI.DLL
Detects processes loading the non-existent DLL "ShellChromeAPI". One known example is the "DeviceEnroller" binary in combination with the "PhoneDeepLink" flag tries to load this DLL. Adversaries can drop their own renamed DLL and execute it via DeviceEnroller.exe using this parameter
Third Party Software DLL Sideloading
Detects DLL sideloading of DLLs that are part of third party software (zoom, discord....etc)
VMGuestLib DLL Sideload
Detects DLL sideloading of VMGuestLib.dll by the WmiApSrv service.
VMMap Signed Dbghelp.DLL Potential Sideloading
Detects potential DLL sideloading of a signed dbghelp.dll by the Sysinternals VMMap.
VMMap Unsigned Dbghelp.DLL Potential Sideloading
Detects potential DLL sideloading of an unsigned dbghelp.dll by the Sysinternals VMMap.
Potential DLL Sideloading Via VMware Xfer
Detects loading of a DLL by the VMware Xfer utility from the non-default directory which may be an attempt to sideload arbitrary DLL
DLL Load By System Process From Suspicious Locations
Detects when a system process (i.e. located in system32, syswow64, etc.) loads a DLL from a suspicious location or a location with permissive permissions such as "C:\Users\Public"
Suspicious Unsigned Thor Scanner Execution
Detects loading and execution of an unsigned thor scanner binary.
UAC Bypass Using Iscsicpl - ImageLoad
Detects the "iscsicpl.exe" UAC bypass technique that leverages a DLL Search Order hijacking technique to load a custom DLL's from temp or a any user controlled location in the users %PATH%
Outbound Network Connection Initiated By Cmstp.EXE
Detects a network connection initiated by Cmstp.EXE Its uncommon for "cmstp.exe" to initiate an outbound network connection. Investigate the source of such requests to determine if they are malicious.
Network Connection Initiated To AzureWebsites.NET By Non-Browser Process
Detects an initiated network connection by a non browser process on the system to "azurewebsites.net". The latter was often used by threat actors as a malware hosting and exfiltration site.
Network Connection Initiated To Cloudflared Tunnels Domains
Detects network connections to Cloudflared tunnels domains initiated by a process on the system. Attackers can abuse that feature to establish a reverse shell or persistence on a machine.
Network Communication With Crypto Mining Pool
Detects initiated network connections to crypto mining pools
Suspicious Network Connection to IP Lookup Service APIs
Detects external IP address lookups by non-browser processes via services such as "api.ipify.org". This could be indicative of potential post compromise internet test activity.