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KrustyLoader Backdoor

Mar 11, 2024 3:09:11 PM / by The Hivemind posted in Threat Bulletin, Windows, Linux, Backdoor, KrustyLoader, Avanti, UNC5221

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Verticals Targeted: Government, Defense, Finance, Technology, Telecommunications, Aerospace, Pharmaceuticals  

Executive Summary

Multiple industry sources recently reported on KrustyLoader, a Rust-based backdoor with both Windows and Linux variants.

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RustDoor MacOS Backdoor

Feb 26, 2024 11:51:18 AM / by The Hivemind posted in Threat Bulletin, Ransomware, ALPHV, Backdoor, MacOS, Mac, Apple, RustDoor, GateDoor

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Related Families: GateDoor
Verticals Targeted: Cryptocurrency

Executive Summary

RustDoor is a new MacOS backdoor written in Rust. RustDoor was observed targeting companies in the cryptocurrency sector.

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PurpleFox Botnet Targeting Entities in Ukraine

Feb 16, 2024 11:44:26 AM / by The Hivemind posted in Ukraine, Threat Bulletin, Backdoor, Trojan, Botnet, rootkit, Exploit Kit, PurpleFox

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Executive Summary

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ColdRiver Using Spica Backdoor

Feb 2, 2024 1:06:16 PM / by The Hivemind posted in Russia, Threat Bulletin, Backdoor, Spica, ColdRiver

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Executive Summary

Russia nexus threat actor group ColdRiver was recently observed using Spica backdoor in an espionage campaign.

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SpectralBlur MacOS Backdoor

Jan 19, 2024 2:03:16 PM / by The Hivemind posted in Threat Bulletin, Backdoor, MacOS, Stardust Chollima, SpectralBlur, KandyKorn

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Related Families: KandyKorn

Executive Summary

SpectralBlur is a fairly unsophisticated backdoor targeting MacOS devices. It has been attributed to Stardust Chollima.

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Xamalicious Android Backdoor

Jan 16, 2024 7:42:21 AM / by The Hivemind posted in Threat Bulletin, Android, Backdoor, Mobile, Xamalicious

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Executive Summary

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Stealth Falcon's Deadglyph Backdoor

Oct 6, 2023 1:42:37 PM / by The Hivemind posted in Threat Bulletin, Middle East, Backdoor, Stealth Falcon, Deadglyph, UAE

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Verticals Targeted: Government 

Executive Summary

Deadglyph is a backdoor used by the Stealth Falcon threat actor group for espionage operations targeting entities in the Middle East.

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Earth Lusca's SprySOCKS Linux Backdoor

Sep 25, 2023 2:06:11 PM / by The Hivemind posted in Threat Bulletin, Espionage, Government, Linux, Backdoor, Mandibule, SprySOCKS, Earth Lusca, Aquatic Panda

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Related Families: Mandibule, Cobalt Strike, Trochilus, RedLeaves
Verticals Targeted: Government 

Executive Summary

China nexus threat actor group Earth Lusca was observed using a Linux-based backdoor dubbed SprySOCKS to target government entities.

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