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Malware

A collection of 156 posts
COLDRIVER targets policy and critical infrastructure using BAITSWITCH-SIMPLEFIX chain
COLDRIVER

COLDRIVER targets policy and critical infrastructure using BAITSWITCH-SIMPLEFIX chain

Threat Group – COLDRIVER Threat Type – Espionage malware and social engineering Exploited Vulnerabilities – User execution via ClickFix lure, abuse of rundll32, script execution and registry-based persistence (no CVEs assigned) Malware Used – BAITSWITCH downloader, SIMPLEFIX PowerShell backdoor, LOSTKEYS VBS payload, SPICA backdoor Threat Score – 8.2 🔴 High Last Threat Observation – 25 September
7 min read
Sindoor Dropper Phishing Exploits Linux Desktop Files for Persistent Remote Control
Phishing

Sindoor Dropper Phishing Exploits Linux Desktop Files for Persistent Remote Control

Threat Group: Transparent Tribe / APT36 / Mythic Leopard / G0134 Threat Type: Targeted phishing dropper, Linux desktop shortcut abuse, remote administration tool deployment, cyber espionage Exploited Vulnerabilities: No public CVE exploitation confirmed. Abuse of Linux .desktop launcher behaviour, user execution, weak attachment controls, and trusted cloud storage delivery. Malware Used: Sindoor Dropper
5 min read
Skype Delivered SCR and PIF Files Deploy GodRAT Malware in Financial Campaigns
Malware

Skype Delivered SCR and PIF Files Deploy GodRAT Malware in Financial Campaigns

Threat Group: Winnti (APT41) – suspected attribution based on code lineage and targeting Threat Type: Remote Access Trojan (RAT) Exploited Vulnerabilities: Social engineering via Skype delivering malicious .SCR and .PIF files containing steganographic shellcode in JPEGs and DLL sideloading Malware Used: GodRAT – evolution of Gh0st RAT and AwesomePuppet, featuring plugin-based architecture
4 min read
PXA Stealer Malware Uses Trusted Cloud Services to Exfiltrate Government and Education Credentials
Malware

PXA Stealer Malware Uses Trusted Cloud Services to Exfiltrate Government and Education Credentials

Threat Group: Vietnamese-speaking cybercrime actors (possible overlap with CoralRaider) Threat Type: Python-based Information Stealer (Infostealer) Exploited Vulnerabilities: DLL sideloading, phishing ZIP archives, abuse of legitimate cloud services (Cloudflare Workers, Dropbox) Malware Used: PXA Stealer Threat Score: 🔥 Critical (9.0/10) – Due to advanced evasion, large-scale credential theft, and abuse of
3 min read
SquidLoader Reemerges with Stealth Upgrades in APAC Financial Attacks
Malware

SquidLoader Reemerges with Stealth Upgrades in APAC Financial Attacks

Threat Group: Unknown (APT-level sophistication suspected) Threat Type: Loader / Malware-as-a-Service (MaaS) Exploited Vulnerabilities: No specific CVE; exploits social engineering and security evasion Malware Used: SquidLoader, Cobalt Strike Beacon Threat Score: 🔴 High (8.4/10) – Highly evasive loader, zero-detection rate at launch, APT-style tradecraft, and persistent access via Cobalt Strike Last
4 min read
CVE-2025-53770 and CVE-2025-53771 Abused in Active Attacks on On-Prem SharePoint
Vulnerabilities

CVE-2025-53770 and CVE-2025-53771 Abused in Active Attacks on On-Prem SharePoint

Threat Group: Linen Typhoon, Violet Typhoon, Storm-2603 Threat Type: Remote Code Execution & Spoofing Exploited Vulnerabilities: CVE-2025-53770 (RCE), CVE-2025-53771 (Spoofing) Malware Used: ToolShell (spinstall0.aspx) Threat Score: 🔴 High (8.0/10) – Active exploitation by nation-state actors, persistent access via cryptographic theft, and potential lateral movement across enterprise networks. Last Threat
5 min read