text
stringlengths 4
429
|
|---|
within
|
organizations.
|
2012
|
Zscaler
|
Inc.
|
Seculert
|
Ltd.
|
Rights
|
Reserved.
|
MSUpdater
|
Trojan
|
Incidents
|
Observed
|
Zscaler
|
Seculert
|
separately
|
identified
|
security
|
incidents
|
where
|
infected
|
customers
|
fore-
|
mentioned
|
industries
|
command
|
control
|
(C&C)
|
beacons
|
matching
|
below
|
patterns.
|
Standard
|
Microsoft
|
Internet
|
Explorer
|
user-
|
agent
|
strings
|
(versions
|
were
|
observed
|
communications.
|
most
|
often
|
observed
|
pattern,
|
likely
|
check-
|
behavior
|
followed
|
pattern:
|
HTTP
|
requests
|
path:
|
/microsoftupdate/getupdate/default.aspx?ID=[num1]para1=[num2]para2=[num3]para3=[num4
|
Where
|
[num]
|
fields
|
placeholders
|
parameters
|
passed
|
victim
|
form
|
numbers.
|
Other
|
patterns
|
observed
|
from
|
infected
|
hosts
|
C&Cs
|
were:
|
HTTP
|
POST
|
requests
|
path:
|
/microsoft/errorpost/default/connect.aspx?ID=[num1]
|
HTTP
|
POSTs
|
path:
|
/microsoft/errorpost/default.aspx?ID=[num1]
|
Clearly
|
above
|
patterns
|
trying
|
appear
|
though
|
they
|
related
|
Microsoft
|
Windows
|
Update
|
service
|
versus
|
something
|
malicious.
|
clear,
|
common
|
name
|
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