Android利用tcpdump抓包

Instructions

http://source.android.com/porting/tcpdump.html

SourceCodeandDocuments

http://www.tcpdump.org/

CompiledBinaryDownload

http://www.strazzere.com/android/tcpdump

数据包分析工具Wireshark

http://www.wireshark.org/download.html

Installingtcpdump

Pushingthebinarytoanexistingdevice

Downloadtcpdumpfromhttp://www.tcpdump.org/,thenexecute:

Cmd代码

adbroot

adbremount

adbpush/wherever/you/put/tcpdump/system/xbin/tcpdump

adbshellchmod6755/data/local/tmp/tcpdump

adbroot

adbremount

adbpush/wherever/you/put/tcpdump/system/xbin/tcpdump

adbshellchmod6755/data/local/tmp/tcpdump

Runningtcpdump

Youneedtohaverootaccessonyourdevice.

Batchmodecapture

Thetypicalprocedureistocapturepacketstoafileandthenexaminethefileonthedesktop,asillustratedbelow:

Cmd代码

adbshelltcpdump-iany-p-s0-w/sdcard/capture.pcap

#"-iany":listenonanynetworkinterface

#"-p":disablepromiscuousmode(doesn'tworkanyway)

#"-s0":capturetheentirepacket

#"-w":writepacketstoafile(ratherthanprintingtostdout)

...dowhateveryouwanttocapture,then^Ctostopit...

adbpull/sdcard/capture.pcap.

sudoapt-getinstallwireshark#orethereal,ifyou'restillondapper

wiresharkcapture.pcap#orethereal

...lookatyourpacketsandbewise...

adbshelltcpdump-iany-p-s0-w/sdcard/capture.pcap

#"-iany":listenonanynetworkinterface

#"-p":disablepromiscuousmode(doesn'tworkanyway)

#"-s0":capturetheentirepacket

#"-w":writepacketstoafile(ratherthanprintingtostdout)

...dowhateveryouwanttocapture,then^Ctostopit...

adbpull/sdcard/capture.pcap.

sudoapt-getinstallwireshark#orethereal,ifyou'restillondapper

wiresharkcapture.pcap#orethereal

...lookatyourpacketsandbewise...

YoucanruntcpdumpinthebackgroundfromaninteractiveshellorfromTerminal.Bydefault,tcpdumpcapturesalltrafficwithoutfiltering.Ifyouprefer,addanexpressionlikeport80tothetcpdumpcommandline.

Realtimepacketmonitoring

Executethefollowingifyouwouldliketowatchpacketsgobyratherthancapturingthemtoafile(-nskipsDNSlookups.-s0capturestheentirepacketratherthanjusttheheader):

Cmd代码

adbshelltcpdump-n-s0

adbshelltcpdump-n-s0

Typicaltcpdumpoptionsapply.Forexample,ifyouwanttoseeHTTPtraffic:

Cmd代码

adbshelltcpdump-X-n-s0port80

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