Playing with Hping3 alpha-2

O'Reilly recently featured an interview with Hping author Salvatore Sanfilippo titled Network Tool Development with hping3. Hping is a packet crafting tool with a long lineage. I recommend reading the interview if you'd like background on Hping and what the developer formerly known as antirez is doing. I downloaded hping3-alpha-2.tar.gz to a system running FreeBSD 5.3 BETA1 and gave it a try.

Before extracting and installing the new Hping3, you must have a Tcl interpreter installed. Tcl is required because Hping now works within a Tcl shell. It surprised me to see Tcl used in something other than Sguil. Here are highlights from the installation process: 

fedorov:/home/hping3-alpha-2$ ./configure

build byteorder.c...

create byteorder.h...

===> Found Tclsh in: /usr/local/bin/tclsh8.4

--------------------------------------

system type: FREEBSD



LIBPCAP      : PCAP=-lpcap

PCAP_INCLUDE : 

MANPATH      : /usr/local/man

USE_TCL      : -DUSE_TCL

TCL_VER      : 8.4

TCL_INC      : -I/usr/local/include/tcl8.4

LIBTCL       : -ltcl84 -lm -lpthread

TCLSH        : /usr/local/bin/tclsh8.4



(to modify try configure --help)

--------------------------------------

creating Makefile...

creating dependences...

now you can try `make'

fedorov:/home/hping3-alpha-2$ make

...edited...

./hping3 -v

hping version 3.0.0-alpha-1

 ($Id: release.h,v 1.4 2004/04/09 23:38:56 antirez Exp $)

Here's what running Hping3 looks like. I followed some of the getting started tutorial. First I resolve a hostname and then I try to send an ICMP packet: 

fedorov:/root# hping3

hping3> hping resolve www.taosecurity.com

64.235.253.7

hping3> hping send {ip{daddr=64.235.253.7}+icmp{type=8,code=0}}

Packet building error: 'Unknown keyword: 'ip{daddr''

 in packet ip{daddr=64.235.253.7}+icmp{type=8,code=0}

hping3>

Notice how I got an error when I mistyped curly braces instead of parentheses. Below I fixed the error and sent a packet. 

hping3> hping send {ip(daddr=64.235.253.7)+icmp(type=8,code=0)}

hping3>

Next I receive a packet on the wire within Hping3: 

hping3> hping recv em0

ip(ihl=0x5,ver=0x4,tos=0x10,totlen=100,id=27545,fragoff=0,mf=0,df=1,rf=0,ttl=64,

proto=6,cksum=0x1530,saddr=192.168.0.2,daddr=10.200.211.99)+tcp(sport=22,dport=52662,

seq=1986375295,ack=1633085875,x2=0x0,off=8,flags=pa,win=32832,cksum=0x9f2c,

urp=0)+tcp.nop()+tcp.nop()+tcp.timestamp(val=395937185,ecr=244409221)+data

(str=\2b\\8e9\\c3\\b2\\\\ac\\a0\\ddV\\81\\c6\\d1\\f1\\89\\\\bc\\c8\\df\\a4\\bf\{fq\\8

e\\1d\\f6\\fd\\96\\83\\bd\\%\\c4\\02E\\cds\\b1\\%\\e4&\\a4\\9fZX!)

hping3>

This packet is represented in Ars Packet Description (APD) format, a standard developed by Antirez. Check the Hping wiki for more information.

Comments

Anonymous said…
would have been nice if you had put something that wasnt on the friggin webpage...
3:51 PM
Richard Bejtlich said…
You're free to do better.
8:00 PM
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