Detection rules › Sigma
LSASS Process Memory Dump Files
Detects creation of files with names used by different memory dumping tools to create a memory dump of the LSASS process memory, which contains user credentials.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | T1003.001 OS Credential Dumping: LSASS Memory |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 11 | FileCreate |
Stages and Predicates
Stage 1: 1 of selection_1
or:
TargetFilename|endswith: '\Andrew.dmp'
TargetFilename|endswith: '\Coredump.dmp'
TargetFilename|endswith: '\NotLSASS.zip'
TargetFilename|endswith: '\PPLBlade.dmp'
TargetFilename|endswith: '\lsass.dmp'
TargetFilename|endswith: '\lsass.rar'
TargetFilename|endswith: '\lsass.zip'
TargetFilename|endswith: '\rustive.dmp'
Stage 2: 1 of selection_2
or:
TargetFilename|contains: '\lsass_2'
TargetFilename|contains: '\lsassdmp'
TargetFilename|contains: '\lsassdump'
Stage 3: 1 of selection_3
TargetFilename|contains: .dmp
TargetFilename|contains: '\lsass'
Stage 4: 1 of selection_4
TargetFilename|endswith: .mdmp
TargetFilename|contains: SQLDmpr
Stage 5: 1 of selection_5
or:
TargetFilename|contains: '\nanodump'
TargetFilename|contains: '\proc_'
TargetFilename|endswith: .dmp
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
TargetFilename | ends_with |
|
TargetFilename | match |
|