Threats Tagged 'simplewriter_'
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Threats Tagged 'simplewriter_'
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0 A NuGet supply chain attack involving four malicious packages targeting ASP.NET web application developers has been discovered. The campaign deploys a multi-stage payload where NCryptYo acts as a dropper, establishing a local proxy, while companion packages exfiltrate ASP.NET Identity data and accept threat actor-controlled authorization rules, creating backdoors in victim applications. The packages, published between August 12-21, 2024, have accumulated over 4,500 downloads. The attack uses obfuscation, JIT compiler manipulation, and a two-stage architecture to evade detection. The campaign's objective is to compromise applications during development, gaining access to deployed production instances by controlling the authorization layer. MediumMalware Join the discussion United States Germany United Kingdom+7#typosquatting#credential-exfiltration#simplewriter_ | AlienVault OTX General | 02/24/2026, 08:04:58 UTC Added: 02/24/2026, 09:01:20 UTC |
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