The process must have the PROCESS_QUERY_INFORMATION access permission.ĭesiredAccess specifies an access mask that specifies the requested types of access to the access token. _out PHANDLE TokenHandle ) ProcessHandle is a handle to the process whose access token is opened. OpenProcessToken function opens the access token associated with a process with the below syntax:
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Maybe (again, MAYBE) the vendor sees many FP for this installer, in order to override FP detected in the Windows Malware Protection or Anti Viral Software (whatever it is) he implemented this calls.Ġx40c154 OpenProcessTokenEx: Let me explain the above calls. In my opinion the vendor should not go this far to make any installation works.
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However, few developer actually does it in order to make sure the installation will go as per expected. There is a de facto in the developer to making the installer to avoid the above tracing calls.Ġx40c170 VirtualAllocEx: This is a definitely against the security policy for changing the DEP setting in the Windows setting by the user. Which tracing the DLL handles for the installer binary, I found the 3 things which will trigger important alert, let me describe as per below:Ġx40c208 CloseHandleEx: Many Anti Debugging software/systems using the similar trace as per listed above, some are goodware packer based installer and some are security/hacking tools, the rest are malwares, cannot tell only by this trace info.Ġx40c200 CreateFileAEx: Call Traces details as per above often detected in malicious software due to its attempt to infect/exploit the victim, yet, often I saw some software installer tools are using the same method, specially the homebrew ones.