Netskope Threat Labs

Smuggling

ATP Sandbox Adv. HeuristicsAVNetskope IPS

This detection identifies HTML smuggling attacks where cyberattackers embed malicious payloads within encoded HTML content to bypass security filters.

First seen
April 2023
Last seen
October 2026
Alert Name
DeepScan:Generic.HTML.Smuggling.A.FFFFFFFE
Document-HTML.Backdoor.Smuggling
Document-HTML.Malware.Smuggling
Document-HTML.Trojan.Smuggling
Dump:Generic.HTML.Smuggling.A.FFFFFFFE
Generic.HTML.Smuggling.A.003B20DC
Generic.HTML.Smuggling.A.006B7A5B
Generic.HTML.Smuggling.A.0071AA1D
Generic.HTML.Smuggling.A.007AE644
Generic.HTML.Smuggling.A.00F1A399