Evading Secure Web Gateways with Last Mile Reassembly Attacks

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Malicious files

Attacks Detected By Secure Web Gateways

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Malicious files

Hiding in Plain Sight

Hiding malware within components of a webpage and extracting it on the client side.

Malicious files

File Chunk Attacks

Breaking up/transforming malicious file into parts and reconstructing it on the client side.

Malicious files

Unmonitored Channels

Sending malware through difficult-to-monitor channels.

Malicious files

File Encryption

Encrypting a malicious file and decrypting on the client side

Malicious files

File Encoding

Encoding a malicious file and decoding it on client side.

Malicious files

File Upload Attacks

Transforming the file locally before sending it over the network.

Malicious files

Phishing Attacks

Obfuscating malicious website in various forms and reconstructing phishing site on the client side.