DetailedCAPEC-579
CAPEC-579: Replace Winlogon Helper DLL
Description
Winlogon is a part of Windows that performs logon actions. In Windows systems prior to Windows Vista, a registry key can be modified that causes Winlogon to load a DLL on startup. Adversaries may take advantage of this feature to load adversarial code at startup.
- Likelihood of attack
- Not rated by MITRE
- Typical severity
- Not rated by MITRE
- Abstraction
- DetailedA low-level, detailed pattern, often for a particular technology.
Mechanism of attack: Inject Unexpected Items
Mitigations
- Changes to registry entries in HKLMSoftwareMicrosoftWindows NTWinlogonNotify that do not correlate with known software, patch cycles, etc are suspicious. New DLLs written to System32 which do not correlate with known good software or patching may be suspicious.
Related weaknesses (CWE)
ATT&CK techniques (CAPEC taxonomy mapping)
Marked techniques are also explained, with detection notes and certification relevance, on our interactive ATT&CK map.
Across MITRE's defensive frameworks
Linked through the 1 ATT&CK technique above.
Counter with D3FEND
Defensive techniques MITRE D3FEND maps to the same ATT&CK techniques.
- D3-SICASystem Init Config Analysis1 shared
- D3-AVEAsset Vulnerability Enumeration1 shared
- D3-RSRestore Software1 shared
- D3-SWISoftware Inventory1 shared
- D3-SUSoftware Update1 shared
- D3-DADynamic Analysis1 shared
- D3-EFAEmulated File Analysis1 shared
- D3-CIConfiguration Inventory1 shared
- D3-RCRestore Configuration1 shared
- D3-EALExecutable Allowlisting1 shared
- D3-EDLExecutable Denylisting1 shared
- D3-CFContent Filtering1 shared
Detect with CAR
MITRE CAR analytics that cover the same ATT&CK techniques.
- CAR-2021-11-002Registry Edit with Modification of Userinit, Shell or Notify1 shared
- CAR-2021-12-002Modification of Default Startup Folder in the Registry Key 'Common Startup'1 shared
- CAR-2013-03-001Reg.exe called from Command Shell1 shared
- CAR-2020-05-003Rare LolBAS Command Lines1 shared
- CAR-2013-01-002Autorun Differences1 shared