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Obfuscated Files or Information: HTML Smuggling
![Defense Evasion [Mitre] icon](/media/2024/04/08/icons8-burglar.svg){kind=small}
Adversaries may smuggle data and files past content filters by hiding malicious payloads inside of seemingly benign HTML files. HTML documents can store large binary objects known as JavaScript Blobs (immutable data that represents raw bytes) that can later be constructed into file-like objects. Data may also be stored in Data URLs, which enable embedding media type or MIME files …
Read moreConstant Blinding
Constant blinding can be employed by malware authors to obfuscate their malicious code, making it harder for security researchers and antivirus software to detect and analyze the malware. By using constant blinding techniques, the malware code can be concealed, increasing its chances of evading detection and maintaining persistence on the target system.
Here's how constant blinding can be utilized …
Read moreRight-to-Left Override (RLO) Extension Spoofing
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 …
Read moreProcess Argument Spoofing
Process Argument Spoofing is a technique used by attackers to hide their true intentions by changing the command line arguments of a process after it has started.
--windows-- This is done by tampering with the Process Environment Block (PEB).
The PEB is a structure in Windows that holds various information about a running process. Within the PEB, there's …
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