Rule Library

Sigma Rules

10 rules found for "Tom Ueltschi"

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

Adwind RAT / JRAT File Artifact

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

WindowsFile Event
TA0002 · ExecutionT1059.005 · Visual BasicT1059.007 · JavaScript
Florian Roth (Nextron Systems)+3Fri Nov 10windows
Detectionmediumtest

Potentially Suspicious GrantedAccess Flags On LSASS

Detects process access requests to LSASS process with potentially suspicious access flags

WindowsProcess Access
TA0006 · Credential AccessT1003.001 · LSASS MemoryS0002 · Mimikatz
Florian Roth (Nextron Systems)+9Mon Nov 22windows
Detectionhightest

Potential Persistence Via Logon Scripts - CommandLine

Detects the addition of a new LogonScript to the registry value "UserInitMprLogonScript" for potential persistence

WindowsProcess Creation
TA0004 · Privilege EscalationTA0003 · PersistenceT1037.001 · Logon Script (Windows)
Tom UeltschiSat Jan 12windows
Detectionhightest

Uncommon Userinit Child Process

Detects uncommon "userinit.exe" child processes, which could be a sign of uncommon shells or login scripts used for persistence.

WindowsProcess Creation
TA0004 · Privilege EscalationT1037.001 · Logon Script (Windows)TA0003 · Persistence
Tom Ueltschi+1Sat Jan 12windows
Detectionmediumtest

Potential Persistence Via Logon Scripts - Registry

Detects creation of "UserInitMprLogonScript" registry value which can be used as a persistence method by malicious actors

WindowsRegistry Set
TA0004 · Privilege EscalationT1037.001 · Logon Script (Windows)TA0003 · PersistenceTA0008 · Lateral Movement
Tom UeltschiSat Jan 12windows
Detectionmediumtest

WMI Event Subscription

Detects creation of WMI event subscription persistence method

WindowsWMI Event
TA0004 · Privilege EscalationTA0003 · PersistenceT1546.003 · Windows Management Instrumentation Event Subscription
Tom UeltschiSat Jan 12windows
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

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
Threat Huntmediumtest

LSASS Access From Program In Potentially Suspicious Folder

Detects process access to LSASS memory with suspicious access flags and from a potentially suspicious folder

WindowsProcess Access
TA0006 · Credential AccessT1003.001 · LSASS MemoryS0002 · Mimikatzdetection.threat-hunting
Florian Roth (Nextron Systems)Sat Nov 27windows
Threat Huntmediumtest

Uncommon GrantedAccess Flags On LSASS

Detects process access to LSASS memory with uncommon access flags 0x410 and 0x01410

WindowsProcess Access
TA0006 · Credential AccessT1003.001 · LSASS MemoryS0002 · Mimikatzdetection.threat-hunting
Florian Roth (Nextron Systems)Sun Mar 13windows