Threat Level: green Handler on Duty: Renato Marinho

SANS ISC: SSH Scanning Activity SSH Scanning Activity

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Top 10 Usernames Attempted Today
Username Attempts Percent
root 1,580,177 49.83%
admin 676,116 21.32%
guest 111,980 3.53%
sh 86,348 2.72%
enable 85,280 2.69%
user 54,856 1.73%
support 54,382 1.71%
default 44,545 1.40%
Administrator 41,190 1.30%
supervisor 38,793 1.22%
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Top 10 Usernames Attempted This Month
Username Attempts Percent
root 40,480,754 37.85%
admin 28,065,203 26.24%
sh 3,544,056 3.31%
system 2,841,341 2.66%
guest 2,215,818 2.07%
enable 1,777,363 1.66%
user 1,774,293 1.66%
support 1,748,205 1.63%
>/var/.ptmx && cd /var/ 1,480,888 1.38%
enable 1,345,009 1.26%
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Top 20 Usernames Attempted This Year
Username Attempts Percent
root 112,574,910 34.61%
admin 109,708,752 33.73%
sh 10,815,519 3.33%
enable 9,653,103 2.97%
support 8,234,220 2.53%
user 8,105,748 2.49%
guest 7,029,788 2.16%
linuxshell 4,467,767 1.37%
iptables -F 4,298,856 1.32%
default 2,961,604 0.91%
Administrator 2,317,856 0.71%
supervisor 2,131,965 0.66%
enable 1,838,396 0.57%
ubnt 1,835,722 0.56%
test 1,213,086 0.37%
shell 1,184,078 0.36%
ping ; sh 1,153,315 0.35%
nproc 1,146,914 0.35%
service 1,138,812 0.35%
admin1 1,102,750 0.34%
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Usernames Attempted This Year By Character Length
Length Attempts Percent
1 710,036 0.22%
2 13,465,088 4.14%
3 4,491,946 1.38%
4 127,219,392 39.11%
5 120,834,721 37.15%
6 20,439,804 6.28%
7 16,875,689 5.19%
8 2,102,169 0.65%
9 2,152,325 0.66%
10 7,094,700 2.18%
11 4,899,425 1.51%
12 354,431 0.11%
13 2,460,918 0.76%
14 172,591 0.05%
15 57,980 0.02%
16 53,079 0.02%
17 52,510 0.02%
18 16,623 0.01%
19 19,034 0.01%
20 22,453 0.01%