Threat Research

In March 2026, the team identified activity by a China-nexus threat actor targeting countries in the Persian Gulf region. The campaign used a multi-stage attack chain to deploy a PlugX backdoor variant on compromised systems. Both the shellcode and PlugX backdoor employed obfuscation techniques to hinder reverse engineering....

Our team identified an ongoing campaign, active since 2022, targeting telecommunications and manufacturing sectors in Central and South Asia, delivering a new PlugX variant. This variant shares features with both RainyDay and Turian backdoors, including DLL sideloading via legitimate apps and the XOR-RC4-RtlDecompressBuffer encryption technique....

In March 2025, Intelligence Group uncovered a PRC-linked UNC6384 campaign targeting diplomats in Southeast Asia, aligning with China's cyber espionage goals. The threat actor hijacked captive portals to deliver a signed downloader, STATICPLUGIN, which deployed the PlugX backdoor in memory....