Detection rules › Sigma
Suspicious Executable File Creation
Detect creation of suspicious executable file names. Some strings look for suspicious file extensions, others look for filenames that exploit unquoted service paths.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1564 Hide Artifacts |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 11 | FileCreate |
Stages and Predicates
Stage 1: selection
or:
TargetFilename|endswith: .bat.exe
TargetFilename|endswith: .sys.exe
TargetFilename|endswith: ':\$Recycle.Bin.exe'
TargetFilename|endswith: ':\Documents and Settings.exe'
TargetFilename|endswith: ':\MSOCache.exe'
TargetFilename|endswith: ':\PerfLogs.exe'
TargetFilename|endswith: ':\Recovery.exe'
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 |
|