Search Evasion Techniques
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Virtualization/Sandbox Evasion: User Activity Based Checks Defense Evasion [Mitre]
Adversaries may employ various user activity 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 …
Right-to-Left Override (RLO) Extension Spoofing Others
The Right-to-Left Override (RLO) character (U+202E) is a Unicode control character used for bidirectional text formatting. It affects the way text is displayed, causing text following the RLO character to be rendered from right to left, which is typically used in languages like Arabic and Hebrew.
However, malicious actors have found a way to exploit this Unicode …
Manipulating Debug Logs Anti-Forensic
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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