Detection rules › Sigma
Potential DLL Sideloading Of Libcurl.DLL Via GUP.EXE
Detects potential DLL sideloading of "libcurl.dll" by the "gup.exe" process from an uncommon location
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1574.001 Hijack Execution Flow: DLL |
| Privilege Escalation | T1574.001 Hijack Execution Flow: DLL |
| Defense Evasion | T1574.001 Hijack Execution Flow: DLL |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 7 | Image loaded |
Stages and Predicates
Stage 1: selection
Image|endswith: '\gup.exe'
ImageLoaded|endswith: '\libcurl.dll'
Stage 2: not 1 of filter_main_notepad_plusplus
Image|endswith: '\Notepad++\updater\GUP.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 |
|---|---|---|
Image | ends_with |
|
ImageLoaded | ends_with |
|