Rule Library

Sigma Rules

3,731 rules found

3,731Total
3,132Detection
457Emerging
139Hunting
Emerging Threatcriticaltest

OilRig APT Registry Persistence

Detects OilRig registry persistence as reported by Nyotron in their March 2018 report

WindowsRegistry Event
Florian Roth (Nextron Systems)+4Fri Mar 232018
Emerging Threatcriticaltest

OilRig APT Schedule Task Persistence - Security

Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report

Windowssecurity
Florian Roth (Nextron Systems)+4Fri Mar 232018
Emerging Threatcriticaltest

OilRig APT Schedule Task Persistence - System

Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report

Windowssystem
Florian Roth (Nextron Systems)+4Fri Mar 232018
Emerging Threatmediumtest

Defrag Deactivation

Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Mon Mar 042018
Emerging Threatmediumtest

Defrag Deactivation - Security

Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group

Windowssecurity
Florian Roth (Nextron Systems)+1Mon Mar 042018
Emerging Threathighstable

TropicTrooper Campaign November 2018

Detects TropicTrooper activity, an actor who targeted high-profile organizations in the energy and food and beverage sectors in Asia

WindowsProcess Creation
@41thexplorer+1Tue Nov 122018
Emerging Threathightest

Potential BearLPE Exploitation

Detects potential exploitation of the BearLPE exploit using Task Scheduler ".job" import arbitrary DACL write\par

WindowsProcess Creation
Olaf HartongWed May 222019
Emerging Threathightest

Scanner PoC for CVE-2019-0708 RDP RCE Vuln

Detects the use of a scanner by zerosum0x0 that discovers targets vulnerable to CVE-2019-0708 RDP RCE aka BlueKeep

Windowssecurity
Florian Roth (Nextron Systems)+1Sun Jun 022019
Emerging Threatmediumtest

Potential RDP Exploit CVE-2019-0708

Detect suspicious error on protocol RDP, potential CVE-2019-0708

Windowssystem
Lionel PRAT+1Fri May 242019
Emerging Threatcriticaltest

Pulse Secure Attack CVE-2019-11510

Detects CVE-2019-11510 exploitation attempt - URI contains Guacamole

Web Server Log
Florian Roth (Nextron Systems)Mon Nov 182019
Emerging Threathightest

Exploiting SetupComplete.cmd CVE-2019-1378

Detects exploitation attempt of privilege escalation vulnerability via SetupComplete.cmd and PartnerSetupComplete.cmd described in CVE-2019-1378

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Fri Nov 152019
Emerging Threatcriticalstable

Exploiting CVE-2019-1388

Detects an exploitation attempt in which the UAC consent dialogue is used to invoke an Internet Explorer process running as LOCAL_SYSTEM

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Nov 202019
Emerging Threatcriticaltest

Sudo Privilege Escalation CVE-2019-14287 - Builtin

Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287

Linuxsudo
Florian Roth (Nextron Systems)Tue Oct 152019
Emerging Threathightest

Sudo Privilege Escalation CVE-2019-14287

Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287

LinuxProcess Creation
Florian Roth (Nextron Systems)Tue Oct 152019
Emerging Threatcriticaltest

Citrix Netscaler Attack CVE-2019-19781

Detects CVE-2019-19781 exploitation attempt against Citrix Netscaler, Application Delivery Controller and Citrix Gateway Attack

Web Server Log
Arnim Rupp+1Thu Jan 022019
Emerging Threatcriticaltest

Confluence Exploitation CVE-2019-3398

Detects the exploitation of the Confluence vulnerability described in CVE-2019-3398

Web Server Log
Florian Roth (Nextron Systems)Tue May 262019
Emerging Threathightest

Potential Baby Shark Malware Activity

Detects activity that could be related to Baby Shark malware

WindowsProcess Creation
Florian Roth (Nextron Systems)Sun Feb 242019
Emerging Threathightest

Chafer Malware URL Pattern

Detects HTTP request used by Chafer malware to receive data from its C2.

Proxy Log
Florian Roth (Nextron Systems)Thu Jan 312019
Emerging Threatcriticalstable

Potential Dridex Activity

Detects potential Dridex acitvity via specific process patterns

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Thu Jan 102019
Emerging Threatcriticalstable

Potential Dtrack RAT Activity

Detects potential Dtrack RAT activity via specific process patterns

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Wed Oct 302019
Emerging Threathighstable

Potential Emotet Activity

Detects all Emotet like process executions that are not covered by the more generic rules

WindowsProcess Creation
Florian Roth (Nextron Systems)Mon Sep 302019
Emerging Threathightest

Formbook Process Creation

Detects Formbook like process executions that inject code into a set of files in the System32 folder, which executes a special command command line to delete the dropper from the AppData Temp folder. We avoid false positives by excluding all parent process with command line parameters.

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Mon Sep 302019
Emerging Threatcriticalstable

LockerGoga Ransomware Activity

Detects LockerGoga ransomware activity via specific command line.

WindowsProcess Creation
Vasiliy Burov+1Sun Oct 182019
Emerging Threatcriticalstable

Potential QBot Activity

Detects potential QBot activity by looking for process executions used previously by QBot

WindowsProcess Creation
Florian Roth (Nextron Systems)Tue Oct 012019
Emerging Threathighstable

Potential Ryuk Ransomware Activity

Detects Ryuk ransomware activity

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Mon Dec 162019
Emerging Threathighstable

Potential Snatch Ransomware Activity

Detects specific process characteristics of Snatch ransomware word document droppers

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Aug 262019
Emerging Threatcriticalstable

Ursnif Malware C2 URL Pattern

Detects Ursnif C2 traffic.

Proxy Log
Thomas PatzkeThu Dec 192019
Emerging Threathighstable

Ursnif Malware Download URL Pattern

Detects download of Ursnif malware done by dropper documents.

Proxy Log
Thomas PatzkeThu Dec 192019
Emerging Threathightest

Potential Ursnif Malware Activity - Registry

Detects registry keys related to Ursnif malware.

WindowsRegistry Add
megan201296Wed Feb 132019
Emerging Threatmediumtest

Potential APT-C-12 BlueMushroom DLL Load Activity Via Regsvr32

Detects potential BlueMushroom DLL loading activity via regsvr32 from AppData Local

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Wed Oct 022019
Emerging Threatcriticaltest

APT31 Judgement Panda Activity

Detects APT31 Judgement Panda activity as described in the Crowdstrike 2019 Global Threat Report

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Feb 212019
Emerging Threathightest

APT40 Dropbox Tool User Agent

Detects suspicious user agent string of APT40 Dropbox tool

Proxy Log
Thomas PatzkeTue Nov 122019
Emerging Threatcriticalstable

Potential Russian APT Credential Theft Activity

Detects Russian group activity as described in Global Threat Report 2019 by Crowdstrike

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Feb 212019
Emerging Threathightest

Potential EmpireMonkey Activity

Detects potential EmpireMonkey APT activity

WindowsProcess Creation
Markus Neis+1Tue Apr 022019
Emerging Threatcriticalstable

Equation Group DLL_U Export Function Load

Detects a specific export function name used by one of EquationGroup tools

WindowsProcess Creation
Florian Roth (Nextron Systems)Mon Mar 042019
Emerging Threathightest

Mustang Panda Dropper

Detects specific process parameters as used by Mustang Panda droppers

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Wed Oct 302019
Emerging Threathightest

Operation Wocao Activity

Detects activity mentioned in Operation Wocao report

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Fri Dec 202019
Emerging Threathightest

Operation Wocao Activity - Security

Detects activity mentioned in Operation Wocao report

Windowssecurity
Florian Roth (Nextron Systems)+1Fri Dec 202019
Emerging Threathightest

CVE-2020-0688 Exploitation Attempt

Detects CVE-2020-0688 Exploitation attempts

Web Server Log
NVISOThu Feb 272020
Emerging Threatcriticaltest

CVE-2020-0688 Exchange Exploitation via Web Log

Detects the exploitation of Microsoft Exchange vulnerability as described in CVE-2020-0688

Web Server Log
Florian Roth (Nextron Systems)Sat Feb 292020
Emerging Threathightest

CVE-2020-0688 Exploitation via Eventlog

Detects the exploitation of Microsoft Exchange vulnerability as described in CVE-2020-0688

Windowsapplication
Florian Roth (Nextron Systems)+1Sat Feb 292020
Emerging Threatcriticaltest

CVE-2020-10148 SolarWinds Orion API Auth Bypass

Detects CVE-2020-10148 SolarWinds Orion API authentication bypass attempts

Web Server Log
Bhabesh Raj+1Sun Dec 272020
Emerging Threathightest

Exploited CVE-2020-10189 Zoho ManageEngine

Detects the exploitation of Zoho ManageEngine Desktop Central Java Deserialization vulnerability reported as CVE-2020-10189

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Mar 252020
Emerging Threathightest

Suspicious PrinterPorts Creation (CVE-2020-1048)

Detects new commands that add new printer port which point to suspicious file

WindowsProcess Creation
EagleEye Team+1Wed May 132020
Emerging Threathightest

CVE-2020-1048 Exploitation Attempt - Suspicious New Printer Ports - Registry

Detects changes to the "Ports" registry key with data that includes a Windows path or a file with a suspicious extension. This could be an attempt to exploit CVE-2020-1048 - a Windows Print Spooler elevation of privilege vulnerability.

WindowsRegistry Set
EagleEye Team+2Wed May 132020
Emerging Threatcriticaltest

DNS RCE CVE-2020-1350

Detects exploitation of DNS RCE bug reported in CVE-2020-1350 by the detection of suspicious sub process

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Jul 152020
Emerging Threathightest

Exploitation Attempt Of CVE-2020-1472 - Execution of ZeroLogon PoC

Detects the execution of the commonly used ZeroLogon PoC executable.

WindowsProcess Creation
kostastsale+1Sat Feb 122020
Emerging Threathightest

Oracle WebLogic Exploit CVE-2020-14882

Detects exploitation attempts on WebLogic servers

Web Server Log
Florian Roth (Nextron Systems)Mon Nov 022020