A solution to help victims against phishing is anticipating and leveraging impacts related to phisher actions. In this regard, this work reshapes game theoretical logic between Intrusion Detection System (IDS) agents and insiders to email spear-phishing interactions. The email spear-phishing attack is designed as a non-cooperative and repeated game between opponents. Additionally, this work relies on Quantal Response Equilibrium (QRE) to build a game theoretical approach to predict the phisher's future intent based on past actions of both players. This approach is coupled with a recommendation strategy of appropriate allocation of resources to invest to strengthen user protection. Simulations on spear-phishing scenarios demonstrate the ability of the final system to intuitively guess the most likely phisher decisions. This work provides intelligence to spearphishing detectors and humans such that they can anticipate next phisher actions.