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.
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Log Source
LinuxProcess Creation
ProductLinux← raw: linux
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection_img:
Image|endswith: '/esxcli'
CommandLine|contains: 'system'
selection_cli:
CommandLine|contains:
- ' get'
- ' list'
condition: all of selection_*False Positives
Legitimate administration activities
MITRE ATT&CK
Other
attack.t1059.012
Rule Metadata
Rule ID
e80273e1-9faf-40bc-bd85-dbaff104c4e9
Status
test
Level
medium
Type
Detection
Created
Mon Sep 04
Author
Path
rules/linux/process_creation/proc_creation_lnx_esxcli_system_discovery.yml
Raw Tags
attack.discoveryattack.executionattack.t1033attack.t1007attack.t1059.012