Detectionmediumtest

Password Provided In Command Line Of Net.EXE

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

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Launch

Tim Shelton (HAWK.IO)Created Thu Dec 09Updated Tue Feb 21d4498716-1d52-438f-8084-4a603157d131windows

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:
    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

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

Resolving title…

Internal Research

MITRE ATT&CK

Tactics

TA0005 · Defense Evasion TA0001 · Initial Access TA0003 · Persistence TA0004 · Privilege Escalation TA0008 · Lateral Movement

Techniques

T1078 · Valid Accounts

Sub-techniques

T1021.002 · SMB/Windows Admin Shares

Rule Metadata

Rule ID

d4498716-1d52-438f-8084-4a603157d131

Status

test

Level

medium

Type

Detection

Created

Thu Dec 09

Modified

Tue Feb 21

Author

Tim Shelton (HAWK.IO)

Path

rules/windows/process_creation/proc_creation_win_net_use_password_plaintext.yml

Raw Tags

attack.defense-evasionattack.initial-accessattack.persistenceattack.privilege-escalationattack.lateral-movementattack.t1021.002attack.t1078

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