Python+scapy实现批量修改抓包中的Ip地址和mac地址

最新推荐文章于 2024-03-18 17:05:42 发布

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最新推荐文章于 2024-03-18 17:05:42 发布

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from scapy.all import *

packet = rdpcap("/home/sss/桌面/wannacry.pcap",2000)

# print(type(packet))
# for a in range(0,3000):
# 	packet[a][1].src = "172.16.3.33"
# 	p = packet[a][1].src
# 	print("yuan IP :"+p)
New_Packet = []
for pkt in packet:
	ch = pkt[IP].chksum
	print("jiaoyuanhe:"+str(ch))
	if pkt[IP].src=="192.168.14.111":
		pkt[IP].src="172.16.3.226"
		pkt[IP].dst="172.16.3.126"
		pkt[Ether].src = "58:8a:5a:26:1c:64"
		pkt[Ether].dst = "00:E2:69:04:8A:82"
	else:
		pkt[IP].dst="172.16.3.226"
		pkt[IP].src="172.16.3.126"
		pkt[Ether].src = "00:E2:69:04:8A:82"
		pkt[Ether].dst = "58:8a:5a:26:1c:64"
	ch1 = pkt[IP].chksum
	print("new chksum:"+str(ch1))
	# p = pkt[IP].src
	# m = pkt[Ether].dst
	
	New_Packet.append(pkt)
	# sendpfast(pkt,verbose=False)
	# print("yuan mac:"+m)

wrpcap("/home/sss/桌面/wannacry1.pcap",New_Packet)

NewPcap = "wannacry1.pcap"

#强制计算校验和
def checksum(NewPcap):
    cmd = "tcprewrite --fixcsum -i {0} -o {1}".format(NewPcap,NewPcap)
    print(cmd)
    os.system(cmd)
checksum(new_pcap_path)