Threat Level: green Handler on Duty: Russell Eubanks

SANS ISC: SSH Scanning Activity - Internet Security | DShield SSH Scanning Activity


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Top 10 Usernames Attempted Today
Username Attempts Percent
root 658,448 24.40%
admin 589,746 21.85%
enable 136,364 5.05%
shell 123,803 4.59%
system 121,836 4.51%
sh 101,401 3.76%
>/var/.ptmx && cd /var/ 75,678 2.80%
>/mnt/.ptmx && cd /mnt/ 65,325 2.42%
>/bin/.ptmx && cd /bin/ 65,324 2.42%
>/var/tmp/.ptmx && cd /var/tmp/ 65,322 2.42%
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Top 10 Usernames Attempted This Month
Username Attempts Percent
root 27,117,121 32.29%
admin 17,332,623 20.64%
sh 3,434,791 4.09%
enable 2,673,893 3.18%
system 2,412,287 2.87%
shell 2,411,149 2.87%
enable 1,840,317 2.19%
>/var/.ptmx && cd /var/ 1,424,863 1.70%
>/mnt/.ptmx && cd /mnt/ 1,270,117 1.51%
>/var/tmp/.ptmx && cd /var/tmp/ 1,258,022 1.50%
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Top 20 Usernames Attempted This Year
Username Attempts Percent
root 33,762,722 26.70%
admin 27,515,266 21.76%
sh 5,686,490 4.50%
system 4,868,787 3.85%
enable 4,864,334 3.85%
shell 4,181,102 3.31%
>/var/.ptmx && cd /var/ 2,961,714 2.34%
>/mnt/.ptmx && cd /mnt/ 2,665,914 2.11%
>/var/tmp/.ptmx && cd /var/tmp/ 2,654,028 2.10%
>/dev/netslink/.ptmx && cd /dev/netslink/ 2,652,790 2.10%
>/bin/.ptmx && cd /bin/ 2,652,503 2.10%
>/boot/.ptmx && cd /boot/ 2,651,681 2.10%
enable 2,421,473 1.92%
guest 1,525,769 1.21%
support 1,495,569 1.18%
user 1,252,422 0.99%
/bin/busybox rm -rf 19ju3d 902i13 1,060,933 0.84%
shell 878,516 0.69%
default 708,482 0.56%
>/tmp/.misa && cd /tmp/ 596,080 0.47%
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Usernames Attempted This Year By Character Length
Length Attempts Percent
1 36,947 0.03%
2 6,502,929 5.14%
3 1,337,505 1.06%
4 36,368,565 28.76%
5 31,006,515 24.52%
6 14,164,499 11.20%
7 8,498,068 6.72%
8 655,275 0.52%
9 735,161 0.58%
10 1,436,418 1.14%
11 162,005 0.13%
12 197,667 0.16%
13 458,800 0.36%
14 64,109 0.05%
15 657,763 0.52%
16 33,260 0.03%
17 41,452 0.03%
18 3,754 0.00%
19 26,477 0.02%
20 15,577 0.01%