Access Token Manipulation: Parent PID Spoofing Process Manipulating Defense Evasion [Mitre]

Adversaries may spoof the parent process identifier (PPID) of a new process to evade process-monitoring defenses or to elevate privileges. New processes are typically spawned directly from their parent, or calling, process unless explicitly specified.

One way of explicitly assigning the PPID of a new process is via the CreateProcess API call, which supports a parameter that defines the …

Dirty Vanity Process Manipulating

Dirty Vanity is a process injection technique that exploits the Windows forking (process reflection and snapshotting) feature to inject code into a new process.

It uses the RtlCreateProcessReflection or NtCreateProcess[Ex] primitives, along with the PROCESS_VM_OPERATION, PROCESS_CREATE_THREAD, and PROCESS_DUP_HANDLE flags to reflect and execute code in a new process.

The technique also makes use of various methods, …

Access Token Manipulation: Create Process with Token Defense Evasion [Mitre]

Adversaries may create a new process with a different token to escalate privileges and bypass access controls. Processes can be created with the token and resulting security context of another user using features such as CreateProcessWithTokenW and runas.

Creating processes with a different token may require the credentials of the target user, specific privileges to impersonate that user, or …

Process Injection: Process Hollowing Defense Evasion [Mitre]

Adversaries may inject malicious code into suspended and hollowed processes in order to evade process-based defenses. Process hollowing is a method of executing arbitrary code in the address space of a separate live process.

Process hollowing is commonly performed by creating a process in a suspended state then unmapping/hollowing its memory, which can then be replaced with malicious code. …

Process Hollowing, RunPE Process Manipulating

Process hollowing is a technique used by malware to evade detection by injecting malicious code into a legitimate process. This technique involves creating a new instance of a legitimate process and replacing its original code with the malicious payload.

The process is the following:

CreateProcess: in a suspended mode with the CreationFlag at 0x0000 0004.
…

Process Doppelgänging Process Manipulating

This technique leverages the Transactional NTFS functionality in Windows. This functionality helps maintain data integrity during an unexpected error. For example, when an application needs to write or modify a file, if an error is triggered mid-write, the data can be corrupted. To avoid this kind of behavior, an application can open the file in a transactional mode to perform …

Process Herpaderping Process Manipulating

Process Herpaderping is a method of obscuring the intentions of a process by modifying the content on a disk after the image has been mapped. This results in curious behavior by security products and the OS itself.

To abuse this convention, we first write a binary to a target file on a disk. Then, we map an image of …

ProcEnvInjection - Remote code injection by abusing process environment strings Process Manipulating

This method allows to inject custom code into a remote process without using WriteProcessMemory - It will use the lpEnvironment parameter in CreateProcess to copy the code into the target process. This technique can be used to load a DLL into a remote process, or simply execute a block of code.

The lpEnvironment parameter in CreateProcess allows us to …

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