Originally posted by SimonMac
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Reply to: PIN analysis
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Previously on "PIN analysis"
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Originally posted by SimonMac View PostAll UK O2 mobile phone accounts come with the same default PIN, the number of people who change this are small.
Journalists didn't "hack" peoples phones, they just exploited the lazy or technologically naive.
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All UK O2 mobile phone accounts come with the same default PIN, the number of people who change this are small.
Journalists didn't "hack" peoples phones, they just exploited the lazy or technologically naive.
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8068 ? That's very close to the 8086 pin I always used to use for my business, based on the intel microprocessor.
PS Thieves. The bank account is closed now but if you can nick Zeity's business card, I bet he uses the same one. Or 8080/6808/6800 etc.
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Originally posted by Sysman View PostOut of idle curiosity how did you do that? Graphics tools or using some other data input?
Code:#! /bin/bash set -e url="http://www.datagenetics.com/blog/september32012/grid.png" output_file="pins.csv" #wget "${url}" -O - | pngtopnm -plain | \ wget "${url}" -O - | pngtopnm | pnmtoplainpnm | \ ( read magic read max_x max_y read max_c if [[ "${magic}" != "P3" || "${max_x}" != "700" || "${max_y}" != "700" || "${max_c}" != "255" ]] then echo "Oops!" >&2 exit 1 fi echo "PIN,Red,Green,Blue,Sum" x=0; y=$((max_y - 1)) while read -a line do set -- "${line[@]}" while (( $# >= 3 )) do red=$1; green=$2; blue=$3; shift 3 if (( ( (x % 7) == 3 ) && ( (y % 7) == 3 ) )) then printf "'%02d%02d,%d,%d,%d,%d\n" $((x/7)) $((y/7)) "${red}" "${green}" "${blue}" $((red+green+blue)) fi if (( ++x == max_x )) then x=0; let y-- fi done done | sort --field-separator=, --reverse --numeric-sort --key=4 ) > "${output_file}"
Code:~/tmp$ head pins.csv PIN,Red,Green,Blue,Sum '1234,255,255,255,765 '1111,255,255,223,733 '0000,255,255,153,663 '1212,255,255,126,636 '7777,255,255,98,608 '2000,255,255,86,596 '1004,255,255,86,596 '4444,255,255,77,587 '2222,255,255,76,586 ~/tmp$ tail pins.csv '9480,144,0,0,144 '8957,144,0,0,144 '6793,138,0,0,138 '8398,132,0,0,132 '0738,132,0,0,132 '9629,125,0,0,125 '7637,125,0,0,125 '6835,125,0,0,125 '8093,108,0,0,108 '8068,0,0,0,0
Last edited by Contreras; 15 March 2013, 20:38. Reason: code cleanup for TF, i just knew someone would try and break it :p
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Originally posted by Cliphead View PostSo I need to change all my card PIN's from something other than 1111?
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So I need to change all my card PIN's from something other than 1111?
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Originally posted by Sysman View PostOut of idle curiosity how did you do that? Graphics tools or using some other data input?
In terms of the plot,.... easily done in R, Matlab, etc.
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Originally posted by Contreras View PostI marked up the heat map he generated. The grid makes it easier to pick off certain values, like spotting your own PIN.
Also managed to script something to extract the base results from that image into a csv file and hence to a spreadsheet. Hopefully I will be off the bench by next week so will have less time for this stuff!
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Originally posted by TheFaQQer View PostCool - mine's 9997 on the list of popular numbers!
Who'd have thought I could pick one so rare?
Warning Now that we’ve learned that, historically, 8068 is (was?) the least commonly used password 4-digit PIN, please don’t go out and change yours to this! Hackers can read too! They will also be promoting 8068 up their attempt trees in order to catch people who read this (or similar) articles.
Just sayin' like.
Seeing 8196 in that list made me think of a cross between 4096 and 8192. It might be interesting to run an analysis against the PINs known geeks use...Last edited by Sysman; 14 March 2013, 14:41.
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That is a great article. Should forward this to Nick for Monday links. Really interest read and good piece of work by the author.
Nice find.
Be interesting to know how many hits he has to that page from Romania
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