Detection rules › Sigma
Suspicious File Created In PerfLogs
Detects suspicious file based on their extension being created in "C:\PerfLogs". Note that this directory mostly contains ".etl" files
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1059 Command and Scripting Interpreter |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 11 | FileCreate |
Stages and Predicates
Stage 1: selection
or:
TargetFilename|endswith: .7z
TargetFilename|endswith: .bat
TargetFilename|endswith: .bin
TargetFilename|endswith: .chm
TargetFilename|endswith: .dll
TargetFilename|endswith: .exe
TargetFilename|endswith: .hta
TargetFilename|endswith: .lnk
TargetFilename|endswith: .ps1
TargetFilename|endswith: .psm1
TargetFilename|endswith: .py
TargetFilename|endswith: .scr
TargetFilename|endswith: .sys
TargetFilename|endswith: .vbe
TargetFilename|endswith: .vbs
TargetFilename|endswith: .zip
TargetFilename|startswith: 'C:\PerfLogs\'
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 | starts_with |
|