Sigma detection rules, expert-reviewed

Windows Process Creation—CommandLine Indicators for APT29 2018 Phishing Campaign

Alerts on Windows command-line substrings seen in the 2018 APT29 phishing campaign indicators.

Windows File Events: Detect ds7002*.lnk, .pdf, and .zip Indicators

Flags Windows file events with target filenames containing ds7002.lnk, ds7002.pdf, or ds7002.zip.

Windows PowerShell Base64-encoded shellcode in ScriptBlockText

Flags PowerShell script blocks containing Base64 strings matching known shellcode markers.

Windows: Potential Kerberoasting SPN Enumeration via setspn.exe

Detects Windows setspn.exe runs with SPN query command-line parameters that may indicate Kerberoasting preparation.

Windows ProcDump Command Lines Targeting LSASS Memory Dumps

Identifies suspicious ProcDump usage with dump flags and LSASS-related markers to indicate potential credential harvesting.

Windows: Local user account creation via net.exe or net1.exe

Alerts on net.exe/net1.exe launching with "user" and "add" to create local accounts on Windows.

Antivirus Web Shell Signature Matches Across ASP, JSP, PHP, Perl, and VBS

Alerts on AV signatures indicating web shells/backdoors (ASP/JSP/PHP/Perl/VBS/Webshell) to support fast investigation of persistence.

Antivirus alerts for suspicious file paths and web/script file extensions

Alerts on AV hits involving suspicious file locations and web/script-related extensions.

Antivirus Credential Dumping Signature Match (Password Dumpers/Stealers)

Triggers on AV signatures matching PWS* or known credential-dumping tool strings indicating potential password theft activity.

Antivirus signature match for exploitation framework indicators

Alerts when AV signature names contain indicators tied to exploitation frameworks and related backdoors.

Suspicious XOR-Encoded PowerShell Command Line (Windows Process Creation)

Flags PowerShell (powershell.exe/pwsh) process executions with command-line indicators consistent with XOR/obfuscated scripting.

Windows PowerShell Suspicious Encoded Command-Line Execution

Alerts on PowerShell launched with encoded-command switches and embedded encoded content patterns in the command line.

Windows process creation: svchost.exe launched by sllauncher.exe for DLL side-loading

Flags AppData\Roaming-launched svchost.exe instances spawned by sllauncher.exe with -k, matching DLL side-loading execution behavior.

Windows Process in Suspicious Folder Initiating Network Connections to File Sharing Domains

Alerts on outbound connections to file sharing domains from Windows executables running out of suspicious temp/recycle/task paths.

Windows LSASS process access blocked by Attack Surface Reduction (Windows Defender event 1121)

Alerts on windefend EventID 1121 for blocked access to lsass.exe, excluding common benign process callers.