Threat Level: green Handler on Duty: Xavier Mertens

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


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Top 10 Usernames Attempted Today
Username Attempts Percent
admin 1,038,381 63.79%
root 277,084 17.02%
enable 16,141 0.99%
user 13,679 0.84%
enable 13,331 0.82%
adm 13,284 0.82%
shell 13,275 0.82%
system 12,899 0.79%
guest 12,888 0.79%
sh 11,966 0.74%
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Top 10 Usernames Attempted This Month
Username Attempts Percent
admin 24,279,396 36.60%
root 19,531,936 29.44%
sh 2,023,815 3.05%
system 1,869,550 2.82%
support 1,318,898 1.99%
enable 1,033,511 1.56%
guest 981,766 1.48%
user 966,010 1.46%
>/var/.ptmx && cd /var/ 942,654 1.42%
shell 775,683 1.17%
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Top 20 Usernames Attempted This Year
Username Attempts Percent
admin 165,114,025 31.71%
root 139,208,488 26.73%
system 18,656,872 3.58%
sh 17,997,525 3.46%
enable 14,980,720 2.88%
shell 11,997,726 2.30%
>/var/.ptmx && cd /var/ 10,280,174 1.97%
>/mnt/.ptmx && cd /mnt/ 8,418,057 1.62%
>/var/tmp/.ptmx && cd /var/tmp/ 8,335,362 1.60%
>/dev/netslink/.ptmx && cd /dev/netslink/ 8,330,589 1.60%
>/bin/.ptmx && cd /bin/ 8,329,889 1.60%
>/boot/.ptmx && cd /boot/ 8,328,545 1.60%
guest 6,809,647 1.31%
support 6,424,389 1.23%
enable 5,886,302 1.13%
user 5,158,739 0.99%
default 2,965,238 0.57%
shell 2,787,898 0.54%
/bin/busybox rm -rf 19ju3d 902i13 2,302,927 0.44%
adm 2,143,652 0.41%
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Usernames Attempted This Year By Character Length
Length Attempts Percent
1 508,909 0.10%
2 20,881,396 4.01%
3 6,285,872 1.21%
4 150,100,828 28.83%
5 177,838,453 34.15%
6 47,142,287 9.05%
7 28,719,666 5.52%
8 2,104,791 0.40%
9 2,160,417 0.41%
10 4,383,748 0.84%
11 741,145 0.14%
12 604,659 0.12%
13 1,897,464 0.36%
14 249,100 0.05%
15 1,808,097 0.35%
16 95,306 0.02%
17 103,449 0.02%
18 11,848 0.00%
19 64,880 0.01%
20 106,219 0.02%