Sigma rule: Net.EXE Execution

Rule

Title

Net.EXE Execution

Status

test

Level

low

Author

Michael Haag, Mark Woan (improvements), James Pemberton / @4A616D6573 / oscd.community (improvements)

Date

2019-01-16

Modified

2022-07-11

File

rules-threat-hunting/windows/process_creation/proc_creation_win_net_execution.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects execution of "Net.EXE".

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith:
          - '\net.exe'
          - '\net1.exe'
    - OriginalFileName:
          - 'net.exe'
          - 'net1.exe'
selection_cli:
    CommandLine|contains:
        - ' accounts'
        - ' group'
        - ' localgroup'
        - ' share'
        - ' start'
        - ' stop '
        - ' user'
        - ' view'
condition: all of selection_*

False positives (as the rule lists them)

• Likely

Tags

• attack.discovery
• attack.t1007
• attack.t1049
• attack.t1018
• attack.t1135
• attack.t1201
• attack.t1069.001
• attack.t1069.002
• attack.t1087.001
• attack.t1087.002
• attack.lateral-movement
• attack.t1021.002
• attack.s0039
• detection.threat-hunting

MITRE ATT&CK ids this rule names

• S0039
• T1007
• T1018
• T1021.002
• T1049
• T1069.001
• T1069.002
• T1087.001
• T1087.002
• T1135
• T1201

References

• https://pentest.blog/windows-privilege-escalation-methods-for-pentesters/
• https://eqllib.readthedocs.io/en/latest/analytics/4d2e7fc1-af0b-4915-89aa-03d25ba7805e.html
• https://eqllib.readthedocs.io/en/latest/analytics/e61f557c-a9d0-4c25-ab5b-bbc46bb24deb.html
• https://eqllib.readthedocs.io/en/latest/analytics/9b3dd402-891c-4c4d-a662-28947168ce61.html
• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1007/T1007.md#atomic-test-2---system-service-discovery---netexe

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-threat-hunting/windows/process_creation/proc_creation_win_net_execution.yml