Sigma detection rules, expert-reviewed

Windows Security Event 4719 Audit Policy Changes indicate Windows auditing disabled

Flags Windows Event Auditing disabled indicators from Security Event ID 4719 with removed success/failure audit policy.

Windows File Events: java.exe in AppData\Roaming\Oracle\bin Path with .exe and .vbs Artifacts

Alerts on Windows file events for suspicious java*.exe placement in AppData\Roaming\Oracle\bin and .vbs files containing "Retrive".

Windows Process Creation: javaw.exe Command Line Indicates Adwind/JRAT Roaming Oracle Path

Flags command-line patterns indicating javaw.exe execution from AppData\Roaming\Oracle with java/.exe markers.

Windows Driver Frameworks: USB Device Plug/Unplug Events (Event IDs 2003, 2100, 2102)

Flags USB device plug/unplug related Driver Frameworks User-Mode events using Windows event IDs 2003, 2100, and 2102.

Proxy Downloads of Executables and Documents from Suspicious Dynamic DNS Domains

Alerts when proxy traffic downloads common executable or document payload types from a curated list of dynamic DNS hostnames.

Proxy downloads of executable and document files from suspicious TLDs (blacklisted domains)

Alerts when proxy users download common malware and lure file types from hosts using suspicious TLDs.

Windows Named Pipe Creation Alert for Known Malicious Pipe Names

Alert on Windows named pipe creations where the PipeName matches known malware-associated pipe identifiers.

Windows Named Pipe Creation Matching Suspected Turla Pipe Names

Alert on Windows named pipe creation when the PipeName matches Turla-associated strings.

Windows: Administrator Account Remote Logon via Negotiate (4624 LogonType 10)

Alerts on remote logons to admin-named accounts in Windows Security logs (4624, LogonType 10, Negotiate).

Proxy Web Requests for Flash Player Installer from Unofficial Locations

Flags proxy downloads for Flash Player installer paths when the request host is not ending in .adobe.com.

Windows: Detect Renamed ps.exe Executing netstat via cmd /c

Alerts on Windows executions of renamed PsTool-like ps.exe that include accept-eula and netstat via cmd.exe.

Windows: Winword spawning csc.exe indicative of CVE-2017-8759 exploitation

Flags Word (WINWORD.EXE) spawning csc.exe, a suspicious execution pattern observed in some exploit chains.

Windows Registry Key Created: Sysinternals EULA Acceptance

Flags registry writes indicating Sysinternals EULA acceptance via a TargetObject ending with \EulaAccepted.

Windows: Command-line execution using Sysinternals -accepteula flag

Alerts on Windows processes launched with the -accepteula flag, often associated with Sysinternals tool execution.

Linux JexBoss Suspicious Bash Command Launch with /dev/tcp

Flags Linux executions containing bash -c /bin/bash paired with /dev/tcp/ indicative of a reverse-shell command sequence.