Detection rules › Sigma
Ie4uinit Lolbin Use From Invalid Path
Detect use of ie4uinit.exe to execute commands from a specially prepared ie4uinit.inf file from a directory other than the usual directories
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1218 System Binary Proxy Execution |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: lolbin
or:
Image|endswith: '\ie4uinit.exe'
OriginalFileName: IE4UINIT.EXE
Stage 2: not 1 of filter_*
or:
CurrentDirectory: 'c:\windows\sysWOW64\'
CurrentDirectory: 'c:\windows\system32\'
CurrentDirectory: null
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 |
|---|---|---|
CurrentDirectory | eq |
|
Image | ends_with |
|
OriginalFileName | eq |
|