def fragment_covert_channel(src, dst):
payload1 = ''
for i in range(1280):
payload1 = payload1 + '0'
payload2 = ''
for i in range(1280):
payload2 = payload2 + '0'
# Create IPv6 Packet
ip6 = IPv6()
ip6.dst = dst
ip6.src = src
# Create ICMPv6 Packet
icmpv6 = ICMPv6EchoRequest(cksum=0x7b57, data=payload1)
# Create Fragments
frg_hdr1 = IPv6ExtHdrFragment() # offset=0, m=1, id=511, nh=58
frg_hdr1.offset = 0
frg_hdr1.m = 1
frg_hdr1.id = 511
frg_hdr1.nh = 44
frg_hdr2 = IPv6ExtHdrFragment() # offset=162, m=0, id=511, nh=6
frg_hdr2.offset = 162
frg_hdr2.m = 0
frg_hdr2.id = 511
frg_hdr2.nh = 6
tcp_hdr = TCP()
tcp_hdr.source_port = 1055
tcp_hdr.destination_port = 8080
# Create Packet for sending
pkt1 = ip6/frg_hdr1/icmpv6
pkt2 = ip6/frg_hdr2/tcp_hdr/payload2
pkt1.show()
pkt2.show()
# Send Packets
send(pkt1)
send(pkt2)
