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GOOGLEGSUITE  February 2015

GOOGLEGSUITE February 2015

Subject:

Re: New type of phishing attack

From:

Mally Mclane <[log in to unmask]>

Reply-To:

[log in to unmask]

Date:

Wed, 25 Feb 2015 21:47:24 +0000

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (95 lines)

gam user blahblah show forward

?

On 25 February 2015 at 21:44, Doug Tomer <[log in to unmask]> wrote:
> Could you list the gam command you use to check for forwarding rules?
>
> On Wed, Feb 25, 2015 at 1:15 PM, Nick Young <[log in to unmask]> wrote:
>>
>> Marie ---
>>
>> My condolences about the attacks.  Unfortunately for us, we see this
>> frequently (a majority of the time actually), and i've seen that kind of
>> attack since around 2011.
>>
>> We've had about 100 compromised since January 1st i think, all coming from
>> Ghana, Nigeria, and South Africa... and all of them have sent out around
>> 800-1000 messages, typically alphabetically ordered recipients, and
>> typically to external (not our domain) users. About 1/3 of the compromised
>> accounts will have forwarding rules set up like you described. Over a 2 day
>> period recently, there was a coordinated attack that used 35 of our accounts
>> to send the same phishing email to around 10,000 recipients.
>>
>> The more sophisticated attacks will clone/spoof one of our official
>> university websites, or our official SSO page, which makes it more difficult
>> for our users to recognize the attack.
>>
>> So, if you're just now starting to see these kinds of attacks, it's likely
>> going to continue. Once they start seeing a good rate of return on attacking
>> your users, they'll keep hammering away.
>>
>> You can check for forwarding rules using GAM, or the google API. I'd
>> encourage you to look at removing 3rd party tokens as well, as those can be
>> attack vectors too (either the way they got in the first time, or installed
>> afterwards to leave a back door).
>>
>> Good luck :-)
>>
>> --Nick
>>
>> ..................................................................
>> Nick Young
>> IT Manager, Application Administration, ITS
>> The University of North Carolina at Greensboro
>> n_young@
>> uncg
>> .edu | http://its.uncg.edu
>> ..................................................................
>>
>> On Wed, Feb 25, 2015 at 12:59 PM, Marie L Scott <[log in to unmask]> wrote:
>>>
>>> We experienced a slightly different type of phishing attack last week.
>>> While the email itself looked like any other that we had seen before.  But
>>> how the hacker responded with the credentials was slightly different. The
>>> phisher changed the user's Google forwarding settings so that all mail was
>>> forwarded to an external account, with the DELETE option set, so that any
>>> delivery failures would automatically go to trash.  These folks are also
>>> sophisticated enough to know exactly how many emails they can send outbound
>>> in order to remain under Google's radar.  The only way we found out about
>>> the forwarding component was when the users contacted us to say they were
>>> not receiving emails.  So just a heads up.
>>>
>>> --
>>> Marie L. Scott
>>> Director, Collaboration Services
>>> Virginia Commonwealth University
>>> [log in to unmask]
>>> 804.828.4055
>>>
>>>
>>>
>>> ********** Participation and subscription information for this EDUCAUSE
>>> Constituent Group discussion list can be found at
>>> http://www.educause.edu/groups/.
>>
>>
>> ********** Participation and subscription information for this EDUCAUSE
>> Constituent Group discussion list can be found at
>> http://www.educause.edu/groups/.
>
>
> ********** Participation and subscription information for this EDUCAUSE
> Constituent Group discussion list can be found at
> http://www.educause.edu/groups/.



-- 
Mally Mclane
Communication and Collaboration Services Manager
University of Bristol

**********
Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.

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