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Mobile Ad-hoc Networks (MANETs) are a type of Wireless ad-hoc network that usually has a routable networking environment on top of an end-to-end Link Layer (LL) ad-hoc network. MANETs consist of a hop-to-hop, self-arrangement and self-configure network in contrast to a mobile network has a central controller. The solutions may not always be sufficient, as ad-hoc networks have their own vulnerabilities that cannot be addressed by these IDS solutions. In the network, some active attacks un-forward capacity nodes pretend to be intermediate nodes of a route to some given targets, drop any packet that subsequently goes through it, is one of the main types of attack. In this paper, they propose black-hole attacks an analysis method to detect malicious nodes in MANETs, the mechanism is cooperative hence the protocol work cooperatively together so that they can analyze, detect malicious nodes in a reliable manner. To verify our developed scheme by running through Network Simulations 2 (NS2) with mobile nodes using hybrid routing protocol namely, Modified - Zone based Hierarchical Link State (M-ZHLS) routing protocol. It is observed that the black hole and malicious node detection rate is very good, reduced average delay and also increased packet delivery ratio compare Zone based Hierarchical Link State (ZHLS) routing protocol when there is a change of mobility speed and varying topology size.