Sigma rule: Lsass Full Dump Request Via DumpType Registry Settings

Rule

Title

Lsass Full Dump Request Via DumpType Registry Settings

Status

test

Level

high

Author

@pbssubhash

Date

2022-12-08

Modified

2023-08-17

File

rules/windows/registry/registry_set/registry_set_lsass_usermode_dumping.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the setting of the "DumpType" registry value to "2" which stands for a "Full Dump". Technique such as LSASS Shtinkering requires this value to be "2" in order to dump LSASS.

Log source

product

windows

category

registry_set

Detection

selection:
    TargetObject|contains:
        - '\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps\DumpType'
        - '\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps\lsass.exe\DumpType'
    Details: 'DWORD (0x00000002)' # Full Dump
condition: selection

False positives (as the rule lists them)

• Legitimate application that needs to do a full dump of their process

Tags

• attack.credential-access
• attack.t1003.001

MITRE ATT&CK ids this rule names

• T1003.001

References

• https://github.com/deepinstinct/Lsass-Shtinkering
• https://learn.microsoft.com/en-us/windows/win32/wer/collecting-user-mode-dumps
• https://media.defcon.org/DEF%20CON%2030/DEF%20CON%2030%20presentations/Asaf%20Gilboa%20-%20LSASS%20Shtinkering%20Abusing%20Windows%20Error%20Reporting%20to%20Dump%20LSASS.pdf

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/registry/registry_set/registry_set_lsass_usermode_dumping.yml