Rule Library

Sigma Rules

125 rules found for "Florian Roth (Nextron Systems)"

3,707Total
3,116Detection
451Emerging
137Hunting
Emerging Threatcriticaltest

ZxShell Malware

Detects a ZxShell start by the called and well-known function name

WindowsProcess Creation
TA0002 · ExecutionT1059.003 · Windows Command ShellTA0005 · Defense EvasionT1218.011 · Rundll32+3
Florian Roth (Nextron Systems)+2Thu Jul 202014
Emerging Threatcriticaltest

Turla Group Commands May 2020

Detects commands used by Turla group as reported by ESET in May 2020

WindowsProcess Creation
TA0004 · Privilege EscalationTA0003 · PersistenceTA0005 · Defense EvasionG0010 · G0010+5
Florian Roth (Nextron Systems)Tue May 262014
Emerging Threatcriticalstable

Exploit for CVE-2015-1641

Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641

WindowsProcess Creation
TA0005 · Defense EvasionT1036.005 · Match Legitimate Name or Locationcve.2015-1641detection.emerging-threats
Florian Roth (Nextron Systems)Thu Feb 222015
Emerging Threatmediumtest

Exploit for CVE-2017-0261

Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits for CVE-2017-0261 and CVE-2017-0262

WindowsProcess Creation
TA0002 · ExecutionT1203 · Exploitation for Client ExecutionT1204.002 · Malicious FileTA0001 · Initial Access+3
Florian Roth (Nextron Systems)Thu Feb 222017
Emerging Threatcriticalstable

Droppers Exploiting CVE-2017-11882

Detects exploits that use CVE-2017-11882 to start EQNEDT32.EXE and other sub processes like mshta.exe

WindowsProcess Creation
TA0002 · ExecutionT1203 · Exploitation for Client ExecutionT1204.002 · Malicious FileTA0001 · Initial Access+3
Florian Roth (Nextron Systems)Thu Nov 232017
Emerging Threatcriticaltest

Exploit for CVE-2017-8759

Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759

WindowsProcess Creation
TA0002 · ExecutionT1203 · Exploitation for Client ExecutionT1204.002 · Malicious FileTA0001 · Initial Access+3
Florian Roth (Nextron Systems)Fri Sep 152017
Emerging Threathightest

Adwind RAT / JRAT

Detects javaw.exe in AppData folder as used by Adwind / JRAT

WindowsProcess Creation
TA0002 · ExecutionT1059.005 · Visual BasicT1059.007 · JavaScriptdetection.emerging-threats
Florian Roth (Nextron Systems)+3Fri Nov 102017
Emerging Threatcriticaltest

CosmicDuke Service Installation

Detects the installation of a service named "javamtsup" on the system. The CosmicDuke info stealer uses Windows services typically named "javamtsup" for persistence.

Windowssecurity
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceT1543.003 · Windows Service+2
Florian Roth (Nextron Systems)+2Mon Mar 272017
Emerging Threathightest

Fireball Archer Install

Detects Archer malware invocation via rundll32

WindowsProcess Creation
TA0002 · ExecutionTA0005 · Defense EvasionT1218.011 · Rundll32detection.emerging-threats
Florian Roth (Nextron Systems)Sat Jun 032017
Emerging Threathightest

Malware Shellcode in Verclsid Target Process

Detects a process access to verclsid.exe that injects shellcode from a Microsoft Office application / VBA macro

WindowsProcess Access
TA0005 · Defense EvasionTA0004 · Privilege EscalationT1055 · Process Injectiondetection.emerging-threats
John Lambert (tech)+1Sat Mar 042017
Emerging Threatcriticaltest

NotPetya Ransomware Activity

Detects NotPetya ransomware activity in which the extracted passwords are passed back to the main module via named pipe, the file system journal of drive C is deleted and Windows eventlogs are cleared using wevtutil

WindowsProcess Creation
TA0005 · Defense EvasionT1218.011 · Rundll32T1070.001 · Clear Windows Event LogsTA0006 · Credential Access+3
Florian Roth (Nextron Systems)+1Wed Jan 162017
Emerging Threathightest

Potential PlugX Activity

Detects the execution of an executable that is typically used by PlugX for DLL side loading starting from an uncommon location

WindowsProcess Creation
TA0004 · Privilege EscalationTA0003 · PersistenceS0013 · S0013TA0005 · Defense Evasion+2
Florian Roth (Nextron Systems)Mon Jun 122017
Emerging Threathightest

StoneDrill Service Install

This method detects a service install of the malicious Microsoft Network Realtime Inspection Service service described in StoneDrill report by Kaspersky

Windowssystem
TA0004 · Privilege EscalationTA0003 · PersistenceG0064 · G0064T1543.003 · Windows Service+1
Florian Roth (Nextron Systems)Tue Mar 072017
Emerging Threatcriticaltest

WannaCry Ransomware Activity

Detects WannaCry ransomware activity

WindowsProcess Creation
TA0008 · Lateral MovementT1210 · Exploitation of Remote ServicesTA0007 · DiscoveryT1083 · File and Directory Discovery+6
Florian Roth (Nextron Systems)+3Wed Jan 162017
Emerging Threathightest

Potential APT10 Cloud Hopper Activity

Detects potential process and execution activity related to APT10 Cloud Hopper operation

WindowsProcess Creation
TA0002 · ExecutionG0045 · G0045T1059.005 · Visual Basicdetection.emerging-threats
Florian Roth (Nextron Systems)Fri Apr 072017
Emerging Threathightest

Ps.exe Renamed SysInternals Tool

Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report

WindowsProcess Creation
TA0005 · Defense EvasionG0035 · DragonflyT1036.003 · Rename System Utilities2013-05-009 · CAR 2013-05-009+1
Florian Roth (Nextron Systems)Sun Oct 222017
Emerging Threathightest

Equation Group C2 Communication

Detects communication to C2 servers mentioned in the operational notes of the ShadowBroker leak of EquationGroup C2 tools

Firewall
TA0010 · ExfiltrationTA0011 · Command and ControlG0020 · G0020T1041 · Exfiltration Over C2 Channel+1
Florian Roth (Nextron Systems)Sat Apr 152017
Emerging Threatcriticaltest

Pandemic Registry Key

Detects Pandemic Windows Implant

WindowsRegistry Event
TA0011 · Command and ControlT1105 · Ingress Tool Transferdetection.emerging-threats
Florian Roth (Nextron Systems)Thu Jun 012017
Emerging Threathightest

Turla Service Install

This method detects a service install of malicious services mentioned in Carbon Paper - Turla report by ESET

Windowssystem
TA0004 · Privilege EscalationTA0003 · PersistenceG0010 · G0010T1543.003 · Windows Service+1
Florian Roth (Nextron Systems)Fri Mar 312017
Emerging Threatcriticaltest

Turla PNG Dropper Service

This method detects malicious services mentioned in Turla PNG dropper report by NCC Group in November 2018

Windowssystem
TA0004 · Privilege EscalationTA0003 · PersistenceG0010 · G0010T1543.003 · Windows Service+1
Florian Roth (Nextron Systems)Fri Nov 232017
Emerging Threatmediumtest

SSHD Error Message CVE-2018-15473

Detects exploitation attempt using public exploit code for CVE-2018-15473

Linuxsshd
TA0043 · ReconnaissanceT1589 · Gather Victim Identity Informationcve.2018-15473detection.emerging-threats
Florian Roth (Nextron Systems)Thu Aug 242018
Emerging Threatcriticaltest

Oracle WebLogic Exploit

Detects access to a webshell dropped into a keystore folder on the WebLogic server

Web Server Log
T1190 · Exploit Public-Facing ApplicationTA0001 · Initial AccessTA0003 · PersistenceT1505.003 · Web Shell+2
Florian Roth (Nextron Systems)Sun Jul 222018
Emerging Threatcriticaltest

Elise Backdoor Activity

Detects Elise backdoor activity used by APT32

WindowsProcess Creation
G0030 · G0030G0050 · APT32S0081 · S0081TA0002 · Execution+2
Florian Roth (Nextron Systems)+1Wed Jan 312018
Emerging Threatcriticaltest

APT27 - Emissary Panda Activity

Detects the execution of DLL side-loading malware used by threat group Emissary Panda aka APT27

WindowsProcess Creation
TA0004 · Privilege EscalationTA0003 · PersistenceTA0005 · Defense EvasionT1574.001 · DLL Search Order Hijacking+2
Florian Roth (Nextron Systems)Mon Sep 032018
Emerging Threathightest

Sofacy Trojan Loader Activity

Detects Trojan loader activity as used by APT28

WindowsProcess Creation
TA0005 · Defense EvasionTA0002 · ExecutionG0007 · APT28T1059.003 · Windows Command Shell+3
Florian Roth (Nextron Systems)+2Thu Mar 012018
Emerging Threatcriticalstable

APT29 2018 Phishing Campaign CommandLine Indicators

Detects indicators of APT 29 (Cozy Bear) phishing-campaign as reported by mandiant

WindowsProcess Creation
TA0005 · Defense EvasionTA0002 · ExecutionT1218.011 · Rundll32detection.emerging-threats
Florian Roth (Nextron Systems)Tue Nov 202018
Emerging Threatcriticaltest

OilRig APT Activity

Detects OilRig activity as reported by Nyotron in their March 2018 report

WindowsProcess Creation
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceG0049 · G0049+8
Florian Roth (Nextron Systems)+4Fri Mar 232018
Emerging Threatcriticaltest

OilRig APT Registry Persistence

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

WindowsRegistry Event
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceG0049 · G0049+8
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
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceG0049 · G0049+8
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
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceG0049 · G0049+8
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
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceT1053.005 · Scheduled Task+2
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
TA0004 · Privilege EscalationTA0002 · ExecutionTA0003 · PersistenceT1053 · Scheduled Task/Job+2
Florian Roth (Nextron Systems)+1Mon Mar 042018
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
TA0008 · Lateral MovementT1210 · Exploitation of Remote Services2013-07-002 · CAR 2013-07-002detection.emerging-threats+1
Florian Roth (Nextron Systems)+1Sun Jun 022019
Emerging Threatcriticaltest

Pulse Secure Attack CVE-2019-11510

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

Web Server Log
TA0001 · Initial AccessT1190 · Exploit Public-Facing Applicationcve.2019-11510detection.emerging-threats
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
TA0003 · PersistenceTA0005 · Defense EvasionTA0004 · Privilege EscalationT1068 · Exploitation for Privilege Escalation+5
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
TA0004 · Privilege EscalationT1068 · Exploitation for Privilege Escalationcve.2019-1388detection.emerging-threats
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
TA0005 · Defense EvasionTA0004 · Privilege EscalationT1068 · Exploitation for Privilege EscalationT1548.003 · Sudo and Sudo Caching+2
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
TA0005 · Defense EvasionTA0004 · Privilege EscalationT1068 · Exploitation for Privilege EscalationT1548.003 · Sudo and Sudo Caching+2
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
TA0001 · Initial AccessT1190 · Exploit Public-Facing Applicationcve.2019-19781detection.emerging-threats
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
TA0001 · Initial AccessT1190 · Exploit Public-Facing Applicationcve.2019-3398detection.emerging-threats
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
TA0002 · ExecutionTA0005 · Defense EvasionTA0007 · DiscoveryT1012 · Query Registry+4
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
TA0011 · Command and ControlT1071.001 · Web Protocolsdetection.emerging-threats
Florian Roth (Nextron Systems)Thu Jan 312019
Emerging Threatcriticalstable

Potential Dridex Activity

Detects potential Dridex acitvity via specific process patterns

WindowsProcess Creation
TA0005 · Defense EvasionTA0004 · Privilege EscalationT1055 · Process InjectionTA0007 · Discovery+3
Florian Roth (Nextron Systems)+2Thu Jan 102019
Emerging Threatcriticalstable

Potential Dtrack RAT Activity

Detects potential Dtrack RAT activity via specific process patterns

WindowsProcess Creation
TA0040 · ImpactT1490 · Inhibit System Recoverydetection.emerging-threats
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
TA0002 · ExecutionT1059.001 · PowerShellTA0005 · Defense EvasionT1027 · Obfuscated Files or Information+1
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
TA0042 · Resource DevelopmentT1587.001 · Malwaredetection.emerging-threats
Florian Roth (Nextron Systems)+2Mon Sep 302019
Emerging Threatcriticalstable

Potential QBot Activity

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

WindowsProcess Creation
TA0002 · ExecutionT1059.005 · Visual Basicdetection.emerging-threats
Florian Roth (Nextron Systems)Tue Oct 012019
Emerging Threathighstable

Potential Ryuk Ransomware Activity

Detects Ryuk ransomware activity

WindowsProcess Creation
TA0004 · Privilege EscalationTA0003 · PersistenceT1547.001 · Registry Run Keys / Startup Folderdetection.emerging-threats
Florian Roth (Nextron Systems)+2Mon Dec 162019