PoisonSeed
PoisonSeed is classified as other threat group.
- Type
- Other threat group
PoisonSeed is a threat actor employing an MFA-resistant phishing kit to acquire credentials from individuals and organizations, primarily targeting email infrastructure for cryptocurrency-related spam. They utilize spear-phishing emails with malicious links, automate bulk downloading of email lists, and capture authentication cookies to bypass MFA. PoisonSeed has been linked to campaigns that exploit cross-device sign-in features and employ tactics such as cryptocurrency seed phrase poisoning. Their infrastructure includes domains registered through NICENIC and hosted on Cloudflare, with a focus on phishing CRM and bulk email provider credentials.
Published reports on this actor:
- https://blog.nviso.eu/2025/08/12/shedding-light-on-poisonseeds-phishing-kit/
- https://www.silentpush.com/blog/poisonseed/
Source: MISP Galaxy, Malpedia.
Is your organization mentioned?
Search with your domain to check whether your organization appears in ransomware listings, leaked records, forums and Telegram channels.
Search your domainThreat Intelligence
Track ransomware groups, victim posts and indicators of compromise, and see the records that match your own assets.