Detectionmediumtest

Dropping Of Password Filter DLL

Detects dropping of dll files in system32 that may be used to retrieve user credentials from LSASS

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Launch

SreemanCreated Thu Oct 29Updated Sun Oct 09b7966f4a-b333-455b-8370-8ca53c229762windows

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_cmdline:
        CommandLine|contains|all:
            - 'HKLM\SYSTEM\CurrentControlSet\Control\Lsa'
            - 'scecli\0*'
            - 'reg add'
    condition: selection_cmdline

False Positives

Unknown

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

References

MITRE ATT&CK

Tactics

TA0003 · Persistence TA0005 · Defense Evasion TA0006 · Credential Access

Sub-techniques

T1556.002 · Password Filter DLL

Rule Metadata

Rule ID

b7966f4a-b333-455b-8370-8ca53c229762

Status

test

Level

medium

Type

Detection

Created

Thu Oct 29

Modified

Sun Oct 09

Author

Sreeman

Path

rules/windows/process_creation/proc_creation_win_reg_credential_access_via_password_filter.yml

Raw Tags

attack.persistenceattack.defense-evasionattack.credential-accessattack.t1556.002

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