Exploring More: Scapy

Scapy: Getting more Out of your packets

Index:

DNS Query

Traceroute

Ping Collection

· In throughout blog I am using below mentioned 2 ip address,

192.168.1.16: Use as destination IP addresses.

192.168.1.1: Use as Destination (Router) IP Address:

· DNS Query: The Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities.

To execute “DNS” the base domain of canonical domain name.

sr1(IP(dst=”192.168.1.16")/UDP()/DNS(rd=1,qd=DNSQR(qname=”www.google.com")))

Command Used:

sr1 : This is used to send and receives function that only returns the first answered packet.

Dst: Destination IP of the machine where you want to this packet.

UDP(): User DataGramProtocol. DNS is a UDP port which works on port 53.

DNS- To tell Scapy that we want to create a DNS packet.

Rd=1: 1 is used for recursion

qd=DNSQR(qname=”www.somesite.com”):

qd = “QueryDomain”