// MITRE ATT&CK
T1218.012 · Verclsid
Sub-technique of T1218 · System Binary Proxy Execution.
Adversaries may abuse verclsid.exe to proxy execution of malicious code. Verclsid.exe is known as the Extension CLSID Verification Host and is responsible for verifying each shell extension before they are used by Windows Explorer or the Windows Shell.(Citation: WinOSBite verclsid.exe) Adversaries ...
How to detect & mitigate it
Detecting Verclsid starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1055.011
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.