Detectionmediumtest
New User Created Via Net.EXE
Identifies the creation of local users via the net.exe command.
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Endgame, JHasenbusch (adapted to Sigma for oscd.community)Created Tue Oct 30Updated Tue Feb 21cd219ff3-fa99-45d4-8380-a7d15116c6dcwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
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:
- '\net.exe'
- '\net1.exe'
- OriginalFileName:
- 'net.exe'
- 'net1.exe'
selection_cli:
CommandLine|contains|all:
- 'user'
- 'add'
condition: all of selection_*False Positives
Legitimate user creation.
Better use event IDs for user creation rather than command line rules.
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
cd219ff3-fa99-45d4-8380-a7d15116c6dc
Status
test
Level
medium
Type
Detection
Created
Tue Oct 30
Modified
Tue Feb 21
Path
rules/windows/process_creation/proc_creation_win_net_user_add.yml
Raw Tags
attack.persistenceattack.t1136.001