The term attack submarine is identified in base64 scheme by the sequence YXR0YWNrIHN1Ym1hcmluZQ==, while the MD5 signature is equal to d3a5c84472840a3c89c188a5fe8c0d5e. The ASCII encoding of attack submarine in hexadecimal notation is 61747461636b207375626d6172696e65.