TODO: Make jitter configurable.

TODO: Rename this.

CipherIV is the initialization vector for all messages.

CipherKey is the string value of the symmetric key used to communicate.

CipherKeyBytes is the CipherKey converted to a byte slice.

CommandsChannel is the Slack channel to listen for commands on.

Keylogger is an internal flag to track whether the keylogger is active.

OSVersion is the memoized operating system version string.

ParseBacktick controls whether to expand backticks.

ParseEnv controls whether to expand environment variables.

RegistrationChannel is the Slack channel that implants announce their presence on.

ResponseChannel is the Slack channel to send responses to.

SerialNumber is a string that gets updated on every build to circumvent simple signatures.

TODO: Rename this.