WPS Office Exploitation via DLL Hijack
editWPS Office Exploitation via DLL Hijack
editIdentifies the load of a remote library by the WPS Office promecefpluginhost.exe executable. This may indicate the successful exploitation of CVE-2024-7262 or CVE-2024-7263 via DLL hijack abusing the ksoqing custom protocol handler.
Rule type: eql
Rule indices:
- logs-endpoint.events.library-*
- logs-windows.sysmon_operational-*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Initial Access
- Tactic: Execution
- Data Source: Elastic Defend
- Data Source: Sysmon
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editany where host.os.type == "windows" and process.name : "promecefpluginhost.exe" and ( (event.category == "library" and ?dll.path : ("?:\\Users\\*\\AppData\\Local\\Temp\\wps\\INetCache\\*", "\\Device\\Mup\\**", "\\\\*")) or ((event.category == "process" and event.action : "Image loaded*") and ?file.path : ("?:\\Users\\*\\AppData\\Local\\Temp\\wps\\INetCache\\*", "\\Device\\Mup\\**", "\\\\*")) )
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Exploitation for Client Execution
- ID: T1203
- Reference URL: https://attack.mitre.org/techniques/T1203/
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Drive-by Compromise
- ID: T1189
- Reference URL: https://attack.mitre.org/techniques/T1189/