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// SPDX-License-Identifier: GPL-2.0
#include <linux/ptrace.h>
#include <linux/bpf.h>
#include <netinet/in.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
static struct sockaddr_in old;
SEC("kprobe/__sys_connect")
int BPF_KPROBE(handle_sys_connect)
{
void *ptr = (void *)PT_REGS_PARM2(ctx);
struct sockaddr_in new;
bpf_probe_read_user(&old, sizeof(old), ptr);
__builtin_memset(&new, 0xab, sizeof(new));
bpf_probe_write_user(ptr, &new, sizeof(new));
return 0;
}
char _license[] SEC("license") = "GPL";
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