Non-Firefox Process Loading nss3.dll (Firefox Credential Decryption)

Subhankar H@Andrewsec57

•updated Jul 3, 2026•0•0•7

Detects unauthorized processes attempting to access Firefox credential storage files (key4.db, logins.json) or loading the NSS cryptographic library (nss3.dll) commonly used by Firefox for decryption, which is indicative of credential harvesting.