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11/7/2018 1
@wicusross
Pick a password,
any password
with Wicus Ross
T: +44 (0)1622 723400 | E: info@secdata.com | W: www.secdata.com
@wicusross
http://www.arubanetworks.com/support-services/security-bulletins/
11/7/2018 2
@wicusross
https://www.xkcd.com/936/
11/7/2018 3
@wicusross
Meet Etienne @staaldraat
11/7/2018 4
@wicusross
Exploiting native functionality
available over the Internet in
Outlook Web Access
11/7/2018 5
@wicusross
11/7/2018 6
@wicusross
11/7/2018 7
@wicusross
www.haveibeenpwned.com
11/7/2018 8
@wicusross
SensePost Yota
11/7/2018 9
@wicusross
SensePost Ruler
Exposed OWA
?
OWA from leaks
Email
✓
Public Data Leaks
Password
✓
SensePost Password
Cracking
11/7/2018 10
@wicusross
OWA & Password Collection
Process
100% 5.55%
0.70%
0.60% 2832
11/7/2018 11
@wicusross
Including 235 O365
<10%
11/7/2018 12
@wicusross
ACCOUNTS BREACHED PER TARGET PER DOMAIN
0
20
40
60
80
100
120
140
160
180
200
1
7
13
19
25
31
37
43
49
55
61
67
74
80
86
92
99
107
115
122
130
144
157
172
195
220
248
282
315
415
566
615
893
1776
Other
gov.uk
org.uk
ac.uk
co.uk
11/7/2018 14
@wicusross
2832 targets per TLD that
exposed passwords
2178
167
55
269
163
0
500
1000
1500
2000
2500
co.uk ac.uk gov.uk org.uk Other
11/7/2018 15
@wicusross
• 6 x AMD RX580 8GB GPU
• Hashcat
• Keyspace included all characters,
numbers and symbols, both upper
and lower case
• 6 values in less than 2 minutes
• 7 values in less than 20 minutes
• 8 values in less than 2 days
• Run over 8 weeks
• Against ~½ million hashes
11/7/2018 16
@wicusross
646,898 passwords
497,136 unique
115 stories
85%
15%
Unique
82%
18%
Non unique
98
14,914 inches
11/7/2018 17
@wicusross
MOST POPULAR PASSWORDS
2.69% 1.43%
1.15%
0.86%
0.36%0.64% 0.60%
0.48%
0.45%
0.36%
11/7/2018 18
@wicusross
• One to six characters = 1929 (0.42%)
• One to eight characters = 85106 (18.75%)
• More than eight characters = 368892 (81.25%)
11/7/2018 19
@wicusross
ALL THE MONTHS
11/7/2018 20
@wicusross
ALL THE DATES
0.00%
2.00%
4.00%
6.00%
8.00%
10.00%
12.00%
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
11/7/2018 21
@wicusross
HAPPY ENDING
7%
12%
8%
13%
6% 6%
8%
12%
4% 4%
0%
2%
4%
6%
8%
10%
12%
14%
0
10000
20000
30000
40000
50000
60000
70000
0 1 2 3 4 5 6 7 8 9
11/7/2018 22
@wicusross
Lowercase Only, 0%
Uppercase Only, 0%
Alpha Only, 0%
Numeric Only, 0%
First capital last
symbol , 6%
First capital last number , 32%Contains Month, 6%
Contains Day, 2%
Contains Year, 12%
Single digit end, 6%
Two digits end , 15%
Three digits
end, 9%
Mystery!, 12%
Other, 2%
Lowercase Only Uppercase Only Alpha Only Numeric Only First capital last symbol
First capital last number Contains Month Contains Day Contains Year Single digit end
Two digits end Three digits end Mystery!
PREDICTABLE FORMATS
11/7/2018 23
@wicusross
PREDICTABLE FORMATS
11/7/2018 24
@wicusross
THE TRUTH?
M
F
A

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Pick a password, any password - Wicus Ross - SensePost