Scapy常用操作和命令(2)

send方法用来在3层发送报文

>>> send(IP(dst=”1.2.3.4″)/ICMP())

Sent 1 packets.

使用loop参数循环发送（Ctrl+C终止），inter表示发送时间间隔

>>> send(IP()/ICMP(),loop=1,inter=0.5)

……^C

Sent 6 packets.

sendp方法用来在2层发送报文

>>> sendp(Ether()/IP(dst=”1.2.3.4″,ttl=(1,4)), iface=”eth1″)

….

Sent 4 packets.

>>> sendp(“I’m travelling on Ethernet”, iface=”eth1″, loop=1, inter=0.2)

…………….^C

Sent 16 packets.

sr1方法在3层发送报文并返回第一个响应报文

>>> ans=sr1(IP()/ICMP())

Begin emission:

Finished to send 1 packets.

……………………………………………………………………………………….^C

Received 100 packets, got 0 answers, remaining 1 packets

>>> ans=sr1(IP(dst=”www.baidu.com”)/ICMP())

Begin emission:

….Finished to send 1 packets.

..*

Received 7 packets, got 1 answers, remaining 0 packets

sr方法在3层发送报文并返回所有响应报文

>>> ans, unans=sr(IP(dst=”www.baidu.com”, src=”172.31.100.0/24″)/ICMP())

Begin emission:

……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………*…………………………………………………………*………………………………………………………………………………………………………Finished to send 256 packets.

……………………………………………………………………………………………………………………………………………………………………………………………………………….^C

Received 714 packets, got 2 answers, remaining 254 packets

>>> ans

<Results: TCP:0 UDP:0 ICMP:2 Other:0>

>>> unans

<Unanswered: TCP:0 UDP:0 ICMP:254 Other:0>

srp和srp1方法为sr和sr1方法对应的2层方法

>>> ans, unans=srp(Ether()/IP(dst=”www.baidu.com”, src=”172.31.100.0/24″)/ICMP())

.Begin emission:

………………………………………………………………………………………………………………………………………………………………………………………………………………………….*..Finished to send 256 packets.

………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..^C

Received 568 packets, got 1 answers, remaining 255 packets

srloop方法循环发送3层报文并打印结果

>>> ans, unans=srloop(IP(dst=”www.baidu.com”)/ICMP())

RECV 1: IP / ICMP 119.75.218.70 > 172.31.100.222 echo-reply 0 / Padding

Sent 8 packets, received 8 packets. 100.0% hits.

>>> ans

<Results: TCP:0 UDP:0 ICMP:8 Other:0>

srploop方法循环发送2层报文并打印结果

>>> ans, unans=srloop(Ether()/IP(dst=”www.baidu.com”)/ICMP())