Threat Level: green Handler on Duty: Didier Stevens

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


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Top 10 Usernames Attempted Today
Username Attempts Percent
root 567,915 23.94%
admin 503,729 21.23%
sh 112,626 4.75%
system 109,399 4.61%
>/var/.ptmx && cd /var/ 85,201 3.59%
>/mnt/.ptmx && cd /mnt/ 80,175 3.38%
>/bin/.ptmx && cd /bin/ 80,108 3.38%
>/boot/.ptmx && cd /boot/ 80,107 3.38%
>/var/tmp/.ptmx && cd /var/tmp/ 80,101 3.38%
>/dev/netslink/.ptmx && cd /dev/netslink/ 80,099 3.38%
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Top 10 Usernames Attempted This Month
Username Attempts Percent
root 23,551,307 33.62%
admin 13,595,968 19.41%
system 2,294,674 3.28%
sh 2,253,006 3.22%
enable 1,842,455 2.63%
shell 1,519,371 2.17%
enable\x00 1,498,752 2.14%
>/var/.ptmx && cd /var/ 1,448,026 2.07%
shell\x00 1,299,221 1.85%
>/mnt/.ptmx && cd /mnt/ 1,274,337 1.82%
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Top 20 Usernames Attempted This Year
Username Attempts Percent
root 67,752,173 27.19%
admin 53,399,386 21.43%
sh 11,110,100 4.46%
system 10,863,966 4.36%
enable 9,037,839 3.63%
shell 7,632,230 3.06%
>/var/.ptmx && cd /var/ 6,327,023 2.54%
>/mnt/.ptmx && cd /mnt/ 5,499,046 2.21%
>/var/tmp/.ptmx && cd /var/tmp/ 5,445,188 2.19%
>/dev/netslink/.ptmx && cd /dev/netslink/ 5,441,544 2.18%
>/bin/.ptmx && cd /bin/ 5,441,049 2.18%
>/boot/.ptmx && cd /boot/ 5,440,003 2.18%
enable 3,821,598 1.53%
guest 3,280,121 1.32%
support 3,271,450 1.31%
user 2,612,819 1.05%
/bin/busybox rm -rf 19ju3d 902i13 1,803,642 0.72%
shell 1,740,287 0.70%
default 1,560,528 0.63%
/bin/busybox rm -rf NiGGeR69xd dropper 1,004,108 0.40%
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Usernames Attempted This Year By Character Length
Length Attempts Percent
1 140,841 0.06%
2 12,583,269 5.05%
3 2,513,464 1.01%
4 72,842,677 29.23%
5 60,343,560 24.22%
6 27,018,401 10.84%
7 16,148,307 6.48%
8 1,242,055 0.50%
9 1,410,203 0.57%
10 2,478,104 0.99%
11 307,171 0.12%
12 356,391 0.14%
13 763,636 0.31%
14 134,787 0.05%
15 1,244,099 0.50%
16 62,128 0.02%
17 72,090 0.03%
18 7,765 0.00%
19 49,238 0.02%
20 61,580 0.02%