Detection rules › Sigma
New User Created Via Net.EXE With Never Expire Option
Detects creation of local users via the net.exe command with the option "never expire"
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1136.001 Create Account: Local Account |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_img
or:
Image|endswith: '\net.exe'
Image|endswith: '\net1.exe'
OriginalFileName: net.exe
OriginalFileName: net1.exe
Stage 2: all of selection_cli
CommandLine|contains: add
CommandLine|contains: 'expires:never'
CommandLine|contains: user
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|