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Valid Accounts: Local Accounts
![Defense Evasion [Mitre] icon](/media/2024/04/08/icons8-burglar.svg){kind=small}
Adversaries may obtain and abuse credentials of a local account as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion. Local accounts are those configured by an organization for use by users, remote support, services, or for administration on a single system or service.
Local Accounts may also be abused to elevate privileges and harvest credentials …
Read moreVirtualization/Sandbox Evasion: System Checks
Adversaries may employ various system checks to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions …
Read moreSMB / Named Pipes
Named Pipes are a feature of the Windows operating system that allow for inter-process communication (IPC) using a pipe metaphor. These are particularly useful in networking scenarios as they can be made accessible over a network and facilitate a client-server model of communication. The SMB (Server Message Block) protocol is commonly used in Windows environments for shared access to files, …
Read moreManipulating Debug Logs
Using the sed -i command, specific entries in debug logs, such as errors (segfault, SystemError) or trace information (e.g., filenames like main.cc), are surgically removed. This allows attackers to target only incriminating evidence without erasing the entire log file. The process preserves the structure and authenticity of the log while removing key evidence of exploitation or system errors.
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Read moreIndirect Memory Writing
In local memory movement scenarios, for example, when a loader places a payload into memory for execution, antimalware can detect malicious activity at the moment the payload bytes are written into the newly allocated executable memory region. Attackers may try to evade such detection by avoiding direct writes to new memory region and instead relying on other, legitimate Windows APIs …
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