--- Name: Shell32.dll Description: Windows Shell Common Dll Author: LOLBAS Team Created: 2018-05-25 Commands: - Command: rundll32.exe shell32.dll,Control_RunDLL c:\path\to\payload.dll Description: Launch a DLL payload by calling the Control_RunDLL function. Usecase: Load a DLL payload. Category: Execute Privileges: User MitreID: T1218.011 OperatingSystem: Windows 10, Windows 11 - Command: rundll32.exe shell32.dll,ShellExec_RunDLL beacon.exe Description: Launch an executable by calling the ShellExec_RunDLL function. Usecase: Run an executable payload. Category: Execute Privileges: User MitreID: T1218.011 OperatingSystem: Windows 10, Windows 11 - Command: rundll32 SHELL32.DLL,ShellExec_RunDLL "cmd.exe" "/c echo hi" Description: Launch command line by calling the ShellExec_RunDLL function. Usecase: Run an executable payload. Category: Execute Privileges: User MitreID: T1218.011 OperatingSystem: Windows 10, Windows 11 Full_Path: - Path: c:\windows\system32\shell32.dll - Path: c:\windows\syswow64\shell32.dll Code_Sample: - Code: Detection: - Sigma: https://github.com/SigmaHQ/sigma/blob/08ca62cc8860f4660e945805d0dd615ce75258c1/rules/windows/process_creation/win_susp_rundll32_activity.yml - Splunk: https://github.com/splunk/security_content/blob/a1afa0fa605639cbef7d528dec46ce7c8112194a/detections/endpoint/rundll32_control_rundll_hunt.yml Resources: - Link: https://twitter.com/Hexacorn/status/885258886428725250 - Link: https://twitter.com/pabraeken/status/991768766898941953 - Link: https://twitter.com/mattifestation/status/776574940128485376 - Link: https://twitter.com/KyleHanslovan/status/905189665120149506 - Link: https://windows10dll.nirsoft.net/shell32_dll.html Acknowledgement: - Person: Adam (Control_RunDLL) Handle: '@hexacorn' - Person: Pierre-Alexandre Braeken (ShellExec_RunDLL) Handle: '@pabraeken' - Person: Matt Graeber (ShellExec_RunDLL) Handle: '@mattifestation' - Person: Kyle Hanslovan (ShellExec_RunDLL) Handle: '@KyleHanslovan'