Sigma Rules
638 rules found for "Florian Roth (Nextron Systems)"
NetNTLM Downgrade Attack - Registry
Detects NetNTLM downgrade attack
Potential Credential Dumping Via LSASS SilentProcessExit Technique
Detects changes to the Registry in which a monitor program gets registered to dump the memory of the lsass.exe process
Sticky Key Like Backdoor Usage - Registry
Detects the usage and installation of a backdoor that uses an option to register a malicious debugger for built-in tools that are accessible in the login screen
Suspicious Run Key from Download
Detects the suspicious RUN keys created by software located in Download or temporary Outlook/Internet Explorer directories
DLL Load via LSASS
Detects a method to load DLL via LSASS process using an undocumented Registry key
Service Binary in Suspicious Folder
Detect the creation of a service with a service binary located in a suspicious directory
Disabled Windows Defender Eventlog
Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections
New DNS ServerLevelPluginDll Installed
Detects the installation of a DNS plugin DLL via ServerLevelPluginDll parameter in registry, which can be used to execute code in context of the DNS server (restart required)
Potential Persistence Via GlobalFlags
Detects registry persistence technique using the GlobalFlags and SilentProcessExit keys
Suspicious PowerShell In Registry Run Keys
Detects potential PowerShell commands or code within registry run keys
Suspicious Keyboard Layout Load
Detects the keyboard preload installation with a suspicious keyboard layout, e.g. Chinese, Iranian or Vietnamese layout load in user session on systems maintained by US staff only
Suspicious Printer Driver Empty Manufacturer
Detects a suspicious printer driver installation with an empty Manufacturer value
Registry Persistence via Explorer Run Key
Detects a possible persistence mechanism using RUN key for Windows Explorer and pointing to a suspicious folder
New RUN Key Pointing to Suspicious Folder
Detects suspicious new RUN key element pointing to an executable in a suspicious folder
UAC Bypass via Event Viewer
Detects UAC bypass method using Windows event viewer
VBScript Payload Stored in Registry
Detects VBScript content stored into registry keys as seen being used by UNC2452 group
Suspicious Encoded Scripts in a WMI Consumer
Detects suspicious encoded payloads in WMI Event Consumers
Suspicious Scripting in a WMI Consumer
Detects suspicious commands that are related to scripting/powershell in WMI Event Consumers
ZxShell Malware
Detects a ZxShell start by the called and well-known function name
Turla Group Commands May 2020
Detects commands used by Turla group as reported by ESET in May 2020
Exploit for CVE-2015-1641
Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641
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
Droppers Exploiting CVE-2017-11882
Detects exploits that use CVE-2017-11882 to start EQNEDT32.EXE and other sub processes like mshta.exe
Exploit for CVE-2017-8759
Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759
Adwind RAT / JRAT
Detects javaw.exe in AppData folder as used by Adwind / JRAT
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.
Fireball Archer Install
Detects Archer malware invocation via rundll32
Malware Shellcode in Verclsid Target Process
Detects a process access to verclsid.exe that injects shellcode from a Microsoft Office application / VBA macro
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
Potential PlugX Activity
Detects the execution of an executable that is typically used by PlugX for DLL side loading starting from an uncommon location
StoneDrill Service Install
This method detects a service install of the malicious Microsoft Network Realtime Inspection Service service described in StoneDrill report by Kaspersky
WannaCry Ransomware Activity
Detects WannaCry ransomware activity
Potential APT10 Cloud Hopper Activity
Detects potential process and execution activity related to APT10 Cloud Hopper operation
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
Equation Group C2 Communication
Detects communication to C2 servers mentioned in the operational notes of the ShadowBroker leak of EquationGroup C2 tools
Pandemic Registry Key
Detects Pandemic Windows Implant
Turla Service Install
This method detects a service install of malicious services mentioned in Carbon Paper - Turla report by ESET
Turla PNG Dropper Service
This method detects malicious services mentioned in Turla PNG dropper report by NCC Group in November 2018
SSHD Error Message CVE-2018-15473
Detects exploitation attempt using public exploit code for CVE-2018-15473
Oracle WebLogic Exploit
Detects access to a webshell dropped into a keystore folder on the WebLogic server
Elise Backdoor Activity
Detects Elise backdoor activity used by APT32
APT27 - Emissary Panda Activity
Detects the execution of DLL side-loading malware used by threat group Emissary Panda aka APT27
Sofacy Trojan Loader Activity
Detects Trojan loader activity as used by APT28
APT29 2018 Phishing Campaign CommandLine Indicators
Detects indicators of APT 29 (Cozy Bear) phishing-campaign as reported by mandiant
OilRig APT Activity
Detects OilRig activity as reported by Nyotron in their March 2018 report
OilRig APT Registry Persistence
Detects OilRig registry persistence as reported by Nyotron in their March 2018 report
OilRig APT Schedule Task Persistence - Security
Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report
OilRig APT Schedule Task Persistence - System
Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report