Threat Level: green Handler on Duty: Johannes Ullrich

SANS ISC: SSH Scanning Activity - SANS Internet Storm Center SSH Scanning Activity

Watch ISC TV. Great for NOCs, SOCs and Living Rooms: https://isctv.sans.edu

Sign Up for Free!   Forgot Password?
Log In or Sign Up for Free!

Please help us make this page better by submitting your own data. For details on how to submit your data see our diary blog post announcing this feature. https://github.com/jkakavas/kippo-pyshield

We now offer a Raspberry Pi setup! For instructions read our diary blog post announcing it and/or our later diary blog post explaining how to run a DShield Sensor inside docker on RasPi.

Top 10 Usernames Attempted Today
Username Attempts Percent
root 785,616 77.45%
admin 56,694 5.59%
nproc 17,377 1.71%
user 10,380 1.02%
support 4,961 0.49%
111111 3,439 0.34%
123321 2,118 0.21%
1234 2,097 0.21%
oracle 2,093 0.21%
ubnt 1,886 0.19%
View More
Top 10 Usernames Attempted This Month
Username Attempts Percent
root 98,004,460 44.01%
admin 41,507,677 18.64%
user 3,945,359 1.77%
guest 3,767,222 1.69%
support 2,983,855 1.34%
sh 2,237,439 1.00%
system 2,093,026 0.94%
test 1,765,382 0.79%
enable 1,380,498 0.62%
nproc 1,173,256 0.53%
View More
Top 20 Usernames Attempted This Year
Username Attempts Percent
root 126,713,947 47.20%
admin 12,452,510 4.64%
user 5,842,456 2.18%
test 3,242,403 1.21%
nproc 3,217,896 1.20%
ubuntu 1,433,689 0.53%
oracle 1,162,453 0.43%
guest 1,152,478 0.43%
support 1,115,417 0.42%
postgres 1,022,179 0.38%
ftpuser 834,998 0.31%
git 736,268 0.27%
administrator 674,072 0.25%
mysql 518,290 0.19%
ubnt 467,898 0.17%
testuser 442,330 0.16%
111111 424,011 0.16%
ftp 403,459 0.15%
test1 380,626 0.14%
pi 380,547 0.14%
View More
Usernames Attempted This Year By Character Length
Length Attempts Percent
1 652,623 0.24%
2 6,084,878 2.27%
3 14,112,798 5.26%
4 148,864,763 55.45%
5 34,864,611 12.99%
6 22,620,889 8.43%
7 16,469,447 6.13%
8 11,017,827 4.10%
9 5,614,123 2.09%
10 3,120,007 1.16%
11 1,397,928 0.52%
12 813,105 0.30%
13 1,208,947 0.45%
14 487,927 0.18%
15 138,167 0.05%
16 189,394 0.07%
17 107,892 0.04%
18 24,788 0.01%
19 253,022 0.09%
20 22,852 0.01%