Search Evasion Techniques
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APC injection Process Manipulating
Malware can take advantage of Asynchronous Procedure Calls (APC) to force another thread to execute their custom code by attaching it to the APC Queue of the target thread.
Each thread has a queue of APCs which are waiting for execution upon the target thread entering alterable state.
A thread enters an alert table state if it calls SleepEx
, …
Atom Bombing Process Manipulating
Atom Bombing is a technique that utilizes Windows Atom Tables, which provide a global storage mechanism for strings, to inject malicious code into a target process.
The technique involves storing a shellcode in an Atom Table, then using the NtQueueApcThread
function to force the targeted process to access the specific Atom, causing the injection to occur. To bypass Data Execution …
Process Injection: Asynchronous Procedure Call Defense Evasion [Mitre]
Adversaries may inject malicious code into processes via the asynchronous procedure call (APC) queue in order to evade process-based defenses as well as possibly elevate privileges. APC injection is a method of executing arbitrary code in the address space of a separate live process.
APC injection is commonly performed by attaching malicious code to the APC Queue of a process's …
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 PPID …