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new: net.probe on uses both NBNS and MDNS queries to fetch endpoints metadata and hostnames

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evilsocket 2018-09-09 12:35:00 +03:00
parent 36999813c4
commit e2cc4574c4
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GPG key ID: 1564D7F30393A456
8 changed files with 127 additions and 106 deletions
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25
modules/net_probe_nbns.go Normal file
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@ -0,0 +1,25 @@
package modules
import (
"fmt"
"net"
"github.com/bettercap/bettercap/log"
"github.com/bettercap/bettercap/packets"
)
func (p *Prober) sendProbeNBNS(from net.IP, from_hw net.HardwareAddr, ip net.IP) {
name := fmt.Sprintf("%s:%d", ip, packets.NBNSPort)
if addr, err := net.ResolveUDPAddr("udp", name); err != nil {
log.Debug("could not resolve %s.", name)
} else if con, err := net.DialUDP("udp", nil, addr); err != nil {
log.Debug("could not dial %s.", name)
} else {
defer con.Close()
if wrote, _ := con.Write(packets.NBNSRequest); wrote > 0 {
p.Session.Queue.TrackSent(uint64(wrote))
} else {
p.Session.Queue.TrackError()
}
}
}