Displaying 2 results from an estimated 2 matches for "sipvic".
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silvic
2010 Jul 22
3
My Switch is being attacked using sip scanner tool (Service Abuse Attack)
An attacker is scanning my Asterisk Switch to gain illegitimate access to
VoIP call functionality.
Using a sip scanning tool, *it* sends REGISTERs with random identities. And
when it discovers one identity subscribed in my switch, it tries to
authenticate with random passwords using this user name.
For the moment, I have replaced this account. And also blocked the IP it has
used but each time
2010 Oct 15
8
fraud advice
Hi,
Embarrassed as I am to write this, I am hoping for some advice. One of
our very first PBX installs, now six years old, was "taken advantage of"
over the past few weeks. A victim of sipvicious, I assume, that managed
to guess one of the SIP passwords. 4000 calls to various middle eastern
destinations have been placed, which ended up being sent over our
customer's PSTN trunk, and of course there was no warning until the bill
came today. Unfortunately the bill only covered th...