Rule Library

Sigma Rules

12 rules found for "Cedric Maurugeon"

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

ESXi Network Configuration Discovery Via ESXCLI

Detects execution of the "esxcli" command with the "network" flag in order to retrieve information about the network configuration.

LinuxProcess Creation
TA0007 · DiscoveryTA0002 · ExecutionT1033 · System Owner/User DiscoveryT1007 · System Service Discovery+1
Cedric MaurugeonMon Sep 04linux
Detectionmediumtest

ESXi Storage Information Discovery Via ESXCLI

Detects execution of the "esxcli" command with the "storage" flag in order to retrieve information about the storage status and other related information. Seen used by malware such as DarkSide and LockBit.

LinuxProcess Creation
TA0007 · DiscoveryTA0002 · ExecutionT1033 · System Owner/User DiscoveryT1007 · System Service Discovery+1
Nasreddine Bencherchali (Nextron Systems)+1Mon Sep 04linux
Detectionmediumtest

ESXi Syslog Configuration Change Via ESXCLI

Detects changes to the ESXi syslog configuration via "esxcli"

LinuxProcess Creation
TA0005 · Defense EvasionTA0002 · ExecutionT1562.001 · Disable or Modify ToolsT1562.003 · Impair Command History Logging+1
Cedric MaurugeonMon Sep 04linux
Detectionmediumtest

ESXi System Information Discovery Via ESXCLI

Detects execution of the "esxcli" command with the "system" flag in order to retrieve information about the different component of the system. Such as accounts, modules, NTP, etc.

LinuxProcess Creation
TA0007 · DiscoveryTA0002 · ExecutionT1033 · System Owner/User DiscoveryT1007 · System Service Discovery+1
Cedric MaurugeonMon Sep 04linux
Detectionmediumtest

ESXi Account Creation Via ESXCLI

Detects user account creation on ESXi system via esxcli

LinuxProcess Creation
TA0003 · PersistenceTA0002 · ExecutionT1136 · Create Accountattack.t1059.012
Cedric MaurugeonTue Aug 22linux
Detectionmediumtest

ESXi VM List Discovery Via ESXCLI

Detects execution of the "esxcli" command with the "vm" flag in order to retrieve information about the installed VMs.

LinuxProcess Creation
TA0007 · DiscoveryTA0002 · ExecutionT1033 · System Owner/User DiscoveryT1007 · System Service Discovery+1
Cedric MaurugeonMon Sep 04linux
Detectionmediumtest

ESXi VM Kill Via ESXCLI

Detects execution of the "esxcli" command with the "vm" and "kill" flag in order to kill/shutdown a specific VM.

LinuxProcess Creation
TA0002 · ExecutionTA0040 · Impactattack.t1059.012T1529 · System Shutdown/Reboot
Nasreddine Bencherchali (Nextron Systems)+1Mon Sep 04linux
Detectionmediumtest

ESXi VSAN Information Discovery Via ESXCLI

Detects execution of the "esxcli" command with the "vsan" flag in order to retrieve information about virtual storage. Seen used by malware such as DarkSide.

LinuxProcess Creation
TA0007 · DiscoveryTA0002 · ExecutionT1033 · System Owner/User DiscoveryT1007 · System Service Discovery+1
Nasreddine Bencherchali (Nextron Systems)+1Mon Sep 04linux
Detectionmediumtest

Suspicious Curl File Upload - Linux

Detects a suspicious curl process start the adds a file to a web request

LinuxProcess Creation
TA0010 · ExfiltrationTA0011 · Command and ControlT1567 · Exfiltration Over Web ServiceT1105 · Ingress Tool Transfer
Nasreddine Bencherchali (Nextron Systems)+1Thu Sep 15linux
Detectionhightest

Prefetch File Deleted

Detects the deletion of a prefetch file which may indicate an attempt to destroy forensic evidence

WindowsFile Delete
TA0005 · Defense EvasionT1070.004 · File Deletion
Cedric MAURUGEONWed Sep 29windows
Detectionhightest

Process Memory Dump via RdrLeakDiag.EXE

Detects the use of the Microsoft Windows Resource Leak Diagnostic tool "rdrleakdiag.exe" to dump process memory

WindowsProcess Creation
TA0006 · Credential AccessT1003.001 · LSASS Memory
Cedric MAURUGEON+3Fri Sep 24windows
Threat Huntmediumtest

Potential Data Exfiltration Via Curl.EXE

Detects the execution of the "curl" process with "upload" flags. Which might indicate potential data exfiltration

WindowsProcess Creation
TA0010 · ExfiltrationTA0011 · Command and ControlT1567 · Exfiltration Over Web ServiceT1105 · Ingress Tool Transfer+1
Florian Roth (Nextron Systems)+1Fri Jul 03windows