Detection rules › Sigma
Potential Persistence Via Event Viewer Events.asp
Detects potential registry persistence technique using the Event Viewer "Events.asp" technique
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1112 Modify Registry |
| Defense Evasion | T1112 Modify Registry |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: selection
or:
TargetObject|contains: '\Microsoft\Windows NT\CurrentVersion\Event Viewer\MicrosoftRedirectionProgram'
TargetObject|contains: '\Microsoft\Windows NT\CurrentVersion\Event Viewer\MicrosoftRedirectionURL'
Stage 2: not 1 of filter_*
or:
Details: '%%SystemRoot%%\PCHealth\HelpCtr\Binaries\HelpCtr.exe'
Image|endswith: 'C:\WINDOWS\system32\svchost.exe'
TargetObject|endswith: '\Microsoft\Windows NT\CurrentVersion\Event Viewer\MicrosoftRedirectionProgram'
Details: '-url hcp://services/centers/support?topic=%%s'
Image|endswith: 'C:\WINDOWS\system32\svchost.exe'
TargetObject|endswith: '\Microsoft\Windows NT\CurrentVersion\Event Viewer\MicrosoftRedirectionProgramCommandLineParameters'
Details: '(Empty)'
Details: 'http://go.microsoft.com/fwlink/events.asp'
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 |
|---|---|---|
Details | eq |
|
Details | wildcard |
|
Image | ends_with |
|
TargetObject | ends_with |
|
TargetObject | match |
|