New GoodPersonRAT malware distributed via fake LetsVPN installer
The trojanized installer, identified as Kuailian_win-setup.86.
MITRE ATT&CK Mapping
Articles mapped to MITRE ATT&CK techniques. Select a technique to view matching articles.
T1027 — Obfuscated Files or Information (Defense Evasion)
Clear filter25 articles found
Everest Ransomware Encryptor Uses ConfuserEx-Protected .NET Binary With Wake-on-LAN Capability
A recent technical analysis of an Everest ransomware encryptor reveals a purpose-built, ConfuserEx-protected .NET 4.
Exposed Banana RAT Infrastructure Reveals Payload Generator and Obfuscator Tooling
A publicly indexed server at 198[.]245[.
ValleyRAT Uses RC4 Encryption, Donut Shellcode, and rundll32 Injection for Stealth
A recent surge in ValleyRAT activity that combines RC4-encrypted payloads, Donut-generated shellcode, and in-memory execution via suspended rundll32 processe...
Linux Process Name Masquerading, (Wed, Jun 24th)
In a previous diary, I talked about stack strings&#;x26;#;x5b;1&#;x26;#;x5d; with a practical example of them. Since my SEC670 class, I&#;x26;#;xe2;&#;x26;#;...
OXLOADER Uses MBA Obfuscation and Control-Flow Flattening to Bypass Static Detection
A previously undocumented Windows loader, tracked as OXLOADER, that combines sophisticated obfuscation and unconventional staging to evade static detection a...
Lost in relocation: analysis of a new loader distributing CASTLESTEALER
Find out how a new obfuscated loader evades static detection using .reloc section abuse, five anti-VM/language checks and MBA obfuscation to deliver infostea...
OnyxC2 Malware-as-a-Service Offers Enterprise-Grade Data Theft
OnyxC2 is a MaaS stealer targeting 210+ apps, using DLL sideloading, encrypted payloads, and remote access features to evade detection.
OnyxC2 Malware-as-a-Service Offers Enterprise-Grade Data Theft
OnyxC2 is a MaaS stealer targeting 210+ apps, using DLL sideloading, encrypted payloads, and remote access features to evade detection.
OnyxC2 Stealer Offers Cybercriminals Enterprise-Grade Theft for $250 a Month
Researchers say the OnyxC2 malware targets more than 200 applications and extensions while evading detection through encrypted payloads, DLL sideloading, and...
GoFlateLoader Hides Infostealers in Massive PE Overlay
GoFlateLoader, a widespread Golang loader that has become a go-to delivery mechanism for multiple infostealers including Lumma, Vidar, StealC, Amatera and Re...
Payouts King Ransomware Bypasses EDR via Obfuscation and Direct Syscalls
Payouts King ransomware has emerged as a notable post-BlackBasta threat, leveraging advanced obfuscation and direct system calls to evade endpoint detection ...
‘Claude Code install’ search result leads to ClickFix infostealer attack
The attack leverages a polyglot file, heavy obfuscation and fileless execution to evade detection.
New PureLogs Variant Abuses MSBuild to Evade Detection
A new phishing-driven malware campaign distributing a stealthy PureLogs variant that leverages advanced evasion techniques, including process hollowing via M...
Gremlin Stealer Hides C2 and Exfiltration Paths in Encrypted Resources
A newly identified variant of the Gremlin stealer malware is leveraging advanced obfuscation techniques to conceal its command-and-control (C2) infrastructur...
UAC-0184 Uses Bitsadmin and HTA Files to Deliver Gated Malware
UAC-0184 uses a multi‑stage malware chain that abuses bitsadmin and HTA loaders to reach a heavily obfuscated payload bundle, ultimately hiding behind signed...
JavaScript Malware Campaign Drops Crypto Clipper via PowerShell
A large-scale CountLoader campaign that uses layered obfuscation, multi-stage payload delivery, and covert command-and-control (C2) communication to deploy c...
Gremlin Stealer's Evolved Tactics: Hiding in Plain Sight With Resource Files
Unit 42 analyzes the evolution of Gremlin stealer. This variant uses advanced obfuscation, crypto clipping and session hijacking to compromise data.
FlowerStorm phishing gang adopts virtual-machine obfuscation to evade email defenses
A widely active phishing-as-a-service (PhaaS) operation known as FlowerStorm has begun using a browser-based virtual machine to conceal credential theft code...
Vidar Stealer Campaign Evades EDR to Steal Credentials
A new Vidar Stealer campaign is abusing trusted tools, multi‑stage loaders, and heavy obfuscation to bypass EDR visibility and steal credentials from infecte...