A threat actor tracked as MUT-1244 has stolen over 390,000 WordPress credentials in a large-scale, year-long campaign targeting other threat actors using a trojanized WordPress credentials checker. [...]
source https://www.bleepingcomputer.com/news/security/390-000-wordpress-accounts-stolen-from-hackers-in-supply-chain-attack/
source https://www.bleepingcomputer.com/news/security/390-000-wordpress-accounts-stolen-from-hackers-in-supply-chain-attack/