Sigma rule: Password Provided In Command Line Of Net.EXE

Rule

Title

Password Provided In Command Line Of Net.EXE

Status

test

Level

medium

Author

Tim Shelton (HAWK.IO)

Date

2021-12-09

Modified

2023-02-21

File

rules/windows/process_creation/proc_creation_win_net_use_password_plaintext.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a when net.exe is called with a password in the command line

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|all:
        - ' use '
        - ':*\\'
        - '/USER:* *'
filter_main_empty:
    CommandLine|endswith: ' '
condition: all of selection_* and not 1 of filter_main_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.initial-access
• attack.persistence
• attack.privilege-escalation
• attack.lateral-movement
• attack.stealth
• attack.t1021.002
• attack.t1078

MITRE ATT&CK ids this rule names

• T1021.002
• T1078

References

• Internal Research

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