cd /u01/app/oracle/middleware/oracle_common/common/bin
./wlst.sh

domain = "/u01/app/oracle/middleware/user_projects/domains/wl_domain"
service = weblogic.security.internal.SerializedSystemIni.getEncryptionService(domain)
encryption = weblogic.security.internal.encryption.ClearOrEncryptedService(service)

# 密文中有`\`的话，解密会报错，要去掉
# find encrptyed username and password in domainnamexxx/servers/AdminServer/security/boot.properties
print encryption.decrypt("{AES}nFIptO4HdY8fxSgLjrS8ZNqsVlcB2zQZzYJQ9o7AbJU=")