JS#SMUGGLER Malware Campaign Delivers NetSupport RAT via Multi-Stage Attack

Scworld

JS#SMUGGLER Malware Campaign Delivers NetSupport RAT via Multi-Stage Attack

First seen 9 Dec 2025, 23:42 UTC • •37.6

Article Content

1 / 3

Browse articles

ThreatCluster •March 12, 2026 at 13:27 UTC

The JS#SMUGGLER malware campaign has been identified, utilizing a multi-stage attack to deliver the NetSupport RAT, allowing attackers to gain covert control over victim computers. The attack begins with a JavaScript loader on compromised websites, leading to the execution of encrypted PowerShell commands and ultimately installing the remote access tool. Victims are primarily desktop users targeted through hidden web-based redirects.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Answers cite the sources they use

Updated 229d ago How this analysis works

More articles in this cluster (2)

Threat Graph

4 entities, 3 inferred relationships (STIX 2.1).

The full threat graph for this incident is free in the 7-day Starter trial.

Create free account

No card · 30 seconds

See everything included

Threat Actor (1)

Js#smuggler

Technique (1)

Malware

Malware (1)

NetSupport RAT

Tool (1)

Mshta.exe

Relationships

Js#smuggler uses NetSupport RAT
Js#smuggler uses Mshta.exe
Js#smuggler uses Malware

Following this threat?

Track Js#smuggler and NetSupport RAT in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed

Continue Reading

Microsoft Issues Emergency Patches for Critical Brotli Vulnerability in .NET On October 27, 2026, Microsoft released emergency out-of-band security updates for .NET 8, 9, 10, and 11 RC3 to address CVE-2026-111497, a critical out-of-bounds write vulnerability in the Brotli decompression library. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending crafted…

PHP2Shell Vulnerabilities Exploited by AI-Driven Attackers Threat actors have exploited PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) to target a government entity in Europe, gaining access to sensitive data within two hours of the initial breach. The attackers utilized AI tools for reconnaissance and post-exploitation activities, including accessing…