Detection rules › Sigma
Potential Command Line Path Traversal Evasion Attempt
Detects potential evasion or obfuscation attempts using bogus path traversal via the commandline
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1036 Masquerading |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: 1 of selection_1
or:
CommandLine|contains: '\..\..\'
CommandLine|contains: '\..\System32\'
CommandLine|contains: '\..\Windows\'
Image|contains: '\Windows\'
Stage 2: 1 of selection_2
CommandLine|contains: '.exe\..\'
Stage 3: not 1 of filter_optional_*
or:
CommandLine|contains: '\Citrix\Virtual Smart Card\Citrix.Authentication.VirtualSmartcard.Launcher.exe\..\'
CommandLine|contains: '\Google\Drive\googledrivesync.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 |
|---|---|---|
CommandLine | match |
|
Image | match |
|