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2015 Jan 28
5
Investigating international calls fraud
Hello, I'm investigating a situation where there was a hundreds of minutes of calls from an internal SIP extension to an 855 number in Cambodia, resulting in a crazy ($25,000+) bill from the phone company. I'm investigating, but can anyone provide some feedback on what's happened here? I'm investigating how this happened as well as what types of arrangements can be made with the
2015 Jan 28
1
Investigating international calls fraud
You don't mention if the phone is remote, or local. Although you do mention it had a default user/pass. If the UI of the phone was/is accessible from the I'net, the GUI does have the ability to place a call from it, that is one way the calls could have been placed. From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf
2015 Jan 28
1
Investigating international calls fraud
Do you have DISA setup? We're seeing lots of attackers running scripts that send digits until they strike a DISA, misconfigured mailbox, etc. (Assuming it wasn't a stupid employee forwarding an inbound call to a 9xxxxxxx number etc). Have a look at SecAst (www.generationd.com) - it detects callers sending too many digits, monitors digit dialing speeds, etc. to help identify and block
2015 Jan 28
0
Investigating international calls fraud
I?ve seen the following exploits of Asterisk / FreePBX boxes: 1) Default PlcmSpIp username and password for Polycom provisioning 2) Insecure SIP usernames and secrets 3) FreePBX GUI accessable from the internet 4) OS remote exploit (maybe ssh/ssl exploit) Mitigation options: 1) Don?t use an easy to guess or default password on provisioning servers. 2) Use secure secrets.
2015 Jan 28
0
Investigating international calls fraud
Le 28/01/2015 22:03, Steven McCann a ?crit : > Hello, Hi > > I'm investigating a situation where there was a hundreds of minutes of > calls from an internal SIP extension to an 855 number in Cambodia, > resulting in a crazy ($25,000+) bill from the phone company. I'm > investigating, but can anyone provide some feedback on what's happened > here? I'm
2015 Jan 28
0
Investigating international calls fraud
Hmm the calls are made during the day (and sometimes very early in the morning). Right now it looks like someone actually made these calls. If that is the case it's somewhat comforting to know the system wasn't compromised. However, the $25,000 phone bill still remains. Yikes. $6.25 per minute to Cambodia seems quite steep to me. On Wed, Jan 28, 2015 at 6:07 PM, Duncan Turnbull <duncan
2015 Jan 28
2
Investigating international calls fraud
On 29 Jan 2015, at 11:07, Administrator TOOTAI wrote: > Le 28/01/2015 22:03, Steven McCann a ?crit : >> Hello, > > Hi > >> >> I'm investigating a situation where there was a hundreds of minutes >> of >> calls from an internal SIP extension to an 855 number in Cambodia, >> resulting in a crazy ($25,000+) bill from the phone company.
2006 Oct 31
0
6216819 smserverd''s use of asynchronous cancellation needs investigation
Author: arutz Repository: /hg/zfs-crypto/gate Revision: 27575db763e2bf926e8c2aaedcb607e5eaf31a72 Log message: 6216819 smserverd''s use of asynchronous cancellation needs investigation Files: update: usr/src/cmd/smserverd/smediad.c update: usr/src/cmd/smserverd/smediad_err.c update: usr/src/cmd/smserverd/smserver.h
2017 Sep 07
0
investigate & troubleshoot speed bottleneck(s) - how?
hi guys/gals I realize that this question must have been asked before, I sroogled and found some posts on the web on how to tweak/tune gluster, however.. What I hope is that some experts and/or devel could write a bit more, maybe compose a doc on - How to investigate and trouble gluster's speed-performance bottleneck. Why I think such a thorough guide would be important?
2015 Jan 29
0
Investigating international calls fraud
It's very unlikely that this was an employee calling Mom for 66 hours (I'm assuming these calls appeared on a single bill). It's also unlikely that someone "inside" would benefit financially from making these calls. (Follow the money!) Don't discount the possibility that you've overlooked something in the firewall. Meanwhile, does the client need to do international
2005 Dec 14
5
belongs_to and multiple foreign keys
Hi all, I''m confused about how I''m supposed to specify a belongs_to relationship when the table includes multiple columns that reference the same parent table. In my case I have a "schedules" table with "opened_by" and "closed_by" columns, that both reference the "users" table. In theory, they can be two different user ids. table
2005 Aug 07
4
Reswigged link error
After reswigging I get link problems: Functions.obj : error LNK2001: unresolved external symbol _mWxruby2 Mac.obj : error LNK2001: unresolved external symbol _mWxruby2 Events.obj : error LNK2001: unresolved external symbol _mWxruby2 ... Which is intriguing since it seems to be defined in wx.cpp
2017 Jan 17
2
Git Transition status?
> On Jan 17, 2017, at 12:33 PM, Stephen Checkoway <s at pahtak.org> wrote: > > >> On Jan 17, 2017, at 10:11, Mehdi Amini via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> Actually you have to opt-in instead of opt-out right now, and I encourage you to try it if you’re contributing to LLVM:
2013 Nov 06
2
[LLVMdev] configparser and ConfigParser are different
LLVM builds with me on the release_33 branch, but fails on trunk. I bisected the problem to this commit: commit b49fb7bcd5001567d2da06f6a6e1c7ba79649e1b Author: Daniel Dunbar <daniel at zuster.org> Date: Wed Aug 14 23:15:39 2013 +0000 [llvm-build] Make Py3 compatible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk at 188424
2010 Aug 26
1
Investigating suspected cache corruption
Hi David and all, I?ve read the mail you posted in the Dovecot list. We?re are having this same problem in a site which is very similar to yours. We also migrated from Courier to Dovecot nearly 9 months ago, and every now and then users complain about slowness in the imap connection. We fix it by removing the index files in the user's maildir. We use Horde as webmail, but the problem
2007 Mar 14
6
OpenBSD IPv6 remote kernel buffer overflow. FreeBSD has this too?
Good day. Just spotted the new advisory from CORE: http://www.securityfocus.com/archive/1/462728/30/0/threaded Not an expert, but FreeBSD''s src/sys/kern/uipc_mbuf2.c has the very simular code. Robert, anyone, could you please check? Thank you. -- Eygene
2004 Jun 18
3
Sharing bandwidth
Hi there, I''ve got the following problem on my hand..... I''m a sysop for a school in the netherlands. We have a network with 5 different schools (and 1 administration). Each of those have their own ip range in the private network (10.4.0.0 10.5.0.0 and so on). For all these schools we have an internet uplink of 2mbit. And this bandwidth should be shared as fairly as possible.
2015 Jan 29
1
Investigating international calls fraud
Did you have a look at the phone it self already? Is call forwarding activated or something and can you call the phone/extension from externally? I have seen this in the past where an employee enabled call forwarding on the phone and once at home he or family called the phone which forwarded the call to abroad. Good luck. Michel. Op 29-01-15 om 12:51 schreef dk at donkelly.biz: >
2005 Aug 12
5
Functions that return objects...
I was investigating why the find dialog causes an error when you close it. It seems that wxRuby2 is returning a new ruby object when you call Event.get_dialog. This causes some big problems when you''re expecting you''re going to get back the same ruby pointer that you put in. In a brief check over the source I don''t see anything that preserves the original ruby
2007 Sep 04
2
virt-factory investigation (Server settings)
Hi, Next step is setting up mirrors fo virtual guest deployment This requires editing: ---------------------------- /etc/virt-factory/settings ---------------------------- This time I'll use FC6 mirrors to test product functionality. When editing this file setup local IP (not localhost) of the server. Next step is to start management server: