Gspoof is a tool, which makes easier and accurate the building and sending of TCP/IP packets. It works from console (command line) and has an interface graphics written in GTK+ too.
Features: Ethernet header manipulation:
* Interface
* Source and destination MAC addresses
* Ethernet type (IP or loopback)
IP header manipulation:
* Source and destination IP addresses
* Time to live (TTL)
* Identification (ID)
* Type of service (TOS)
TCP header manipulation:
* Source and destination ports
* Sequence number
* Acknowledgement number
* Window size
* Urgent pointer
TCP payload inserting:
* 128 chars string long
Multiple packets creation (pseudo-flood):
* Delay
* Number
