Signals

All signals updated hourly unless otherwise noted
Signal Description Stasitics
DNS recursion desired IP addresses identified as sending recursive DNS queries. statistics
DNS recursion desired IN ANY IP addresses identified as sending recursive DNS IN ANY queries. statistics
DNS TCP IP addresses identified as sending DNS over TCP port 53 queries. statistics
DNS CH TXT version.bind IP addresses identified as sending DNS CH TXT VERSION.BIND queries. statistics
IP protocol 41 IP addresses identified as open IPv4 protocol 41 relay (i.e. IPv6 over IPv4). statistics
SIP invitation. IP addresses identified as sending SIP INVITE operations. statistics
SIP query IP addresses identified as sending SIP OPTIONS queries. statistics
SIP registration IP addresses identified as sending SIP REGISTER operations. statistics
SMTP data IP addresses identified as SMTP clients issuing DATA commands. statistics
SMTP greeting IP addresses identified as SMTP clients issuing unsolicited HELO or EHLO commands. statistics
SSH client connection IP addresses identified as performing SSH client protocol negotiations. statistics
SSH id/password pairs SSH id/password credentials observed in password authentication attempts. Updated daily. statistics
SSH password authentication IP addresses identified as attempting login via SSH password authentication. Read more here. statistics
TELNET login IP addresses identified as attempting login via TELNET password authentication. statistics
VNC RFB IP addresses identified as initiating VNC remote frame buffer sessions. Read more here. statistics