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不正なSIP着信 213.232.110.238

Published: 2010/03/05

最初の二つはよくわかりませんが、使われてそうなID、内線番号のブルートフォース的なチェックですね。

 Registration from '"668192083"<sip:668192083@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"2795450615"<sip:2795450615@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"100"<sip:100@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"101"<sip:101@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"102"<sip:102@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"103"<sip:103@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"104"<sip:104@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"105"<sip:105@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"106"<sip:106@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"107"<sip:107@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"108"<sip:108@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"109"<sip:109@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"110"<sip:110@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"111"<sip:111@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"112"<sip:112@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"113"<sip:113@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"114"<sip:114@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"115"<sip:115@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"116"<sip:116@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"117"<sip:117@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"118"<sip:118@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"119"<sip:119@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"120"<sip:120@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"121"<sip:121@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"122"<sip:122@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"123"<sip:123@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"124"<sip:124@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"125"<sip:125@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"126"<sip:126@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"127"<sip:127@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"test"<sip:test@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"test123"<sip:test123@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"test12"<sip:test12@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"guest"<sip:guest@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"admin"<sip:admin@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"administrator"<sip:administrator@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"account"<sip:account@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"mark"<sip:mark@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"michael"<sip:michael@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"alex"<sip:alex@x.x.x.x>' failed for '213.232.110.238'
 Registration from '"test1"<sip:test1@x.x.x.x>' failed for '213.232.110.238'

GBからです。

 inetnum:        213.232.110.0 - 213.232.110.255
 netname:        ARB-UK2NET
 descr:          UK2Net Assigned Subnet
 country:        GB

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by jyake