text
stringlengths 4
429
|
|---|
aware,
|
encrypted
|
file
|
(often
|
named
|
FAVORITES.DAT
|
Again,
|
detected
|
this
|
executable
|
will
|
decrypt
|
contents
|
memory
|
process
|
(often
|
svchost.exe
|
process).
|
Once
|
infected
|
system
|
communicates
|
with
|
C&C,
|
versions
|
beaconing
|
pattern
|
have
|
been
|
observed.
|
most
|
well
|
documented
|
version
|
beaconing
|
adhere
|
general
|
formats:
|
/search[RndNum]?h1=[Num1]&h2=[Num2]&h3=[String1]&h4=[String2]
|
/search[RndNum]?h1=[String1]
|
/upload[RndNum]?h1=[String1]
|
/download[RndNum]?h1=[String1]
|
2012
|
Zscaler
|
Inc.
|
Seculert
|
Ltd.
|
Rights
|
Reserved.
|
lesser-
|
known
|
beaconing
|
pattern
|
that
|
both
|
Zscaler
|
Seculert
|
have
|
observed
|
related
|
this
|
threat
|
adhere
|
general
|
formats:
|
/microsoftupdate/getupdate/default.aspx?ID=[num1]para1=[num2]para2=[num3]para3=[n
|
um4]
|
/microsoft/errorpost/default/connect.aspx?ID=[num1]
|
/microsoft/errorpost/default.aspx?ID=[num1]
|
Prior
|
beaconing
|
with
|
these
|
patterns
|
malware
|
issue
|
initial
|
malformed
|
Google
|
query:
|
path:
|
/search?qu=
|
data:
|
news
|
these
|
indicators
|
help
|
provide
|
detection
|
remediation
|
this
|
threat
|
within
|
your
|
enterprise.
|
This
|
overall
|
goal
|
releasing
|
this
|
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