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måndag 23 november 2009

Steganography

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Spam Mimic. Encode a message as fake russian:

ГџnәьӀаә таӀкѕа аьоџт ѕтеӵаnоӵгарђу іn ђіѕ рарег (ғог тђе Ӏестџге тђіѕ шеек аnә nехт шеек'ѕ аѕѕіӵnмеnт) Ѕтеӵаnоӵгарђу іѕ аьоџт ђіәіnӵ ѕометђіnӵ іn рӀаіn ѕіӵђт! Ҷоџ саn геаә тђіѕ меѕѕаӵе, ьџт а масђіnе шоџӀә ђаѵе тгоџьӀе ріскіnӵ џр ѕометђіnӵ џѕеғџӀ ғгом тђіѕ меѕѕаӵе.

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Lundblad talksa about steganography in his paper (for the lecture this week and next week's assignment) Steganography is about hiding something in plain sight! You can read this message, but a machine would have trouble picking up something useful from this message.

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The same message encoded as spam (needs to be decoded at the receiving end) looks like this (perfectly camoflaged as innocent nonsense):

Dear Friend , This letter was specially selected to be sent to you ! This is a one time mailing there is no need to request removal if you won't want any more ! This mail is being sent in compliance with Senate bill 2016 ; Title 3 , Section 303 ! This is different than anything else you've seen ! Why work for somebody else when you can become rich in 65 WEEKS ! Have you ever noticed nobody is getting any younger plus people are much more likely to BUY with a credit card than cash ! Well, now is your chance to capitalize on this . WE will help YOU sell more & process your orders within seconds . You can begin at absolutely no cost to you . But don't believe us ! Prof Simpson who resides in Texas tried us and says "My only problem now is where to park all my cars" ! We are a BBB member in good standing . Do not delay - order today ! Sign up a friend and you get half off ! Thanks . Dear Business person ; Your email address has been submitted to us indicating your interest in our briefing . This is a one time mailing there is no need to request removal if you won't want any more ! This mail is being sent in compliance with Senate bill 2616 ; Title 4 , Section 301 ! This is different than anything else you've seen . Why work for somebody else when you can become rich inside 58 months ! Have you ever noticed more people than ever are surfing the web & nobody is getting any younger ! Well, now is your chance to capitalize on this ! We will help you increase customer response by 170% & deliver goods right to the customer's doorstep . The best thing about our system is that it is absolutely risk free for you ! But don't believe us ! Mrs Simpson of Minnesota tried us and says "Now I'm rich many more things are possible" . We are a BBB member in good standing . If not for you then for your loved ones - act now . Sign up a friend and you'll get a discount of 10% ! Warmest regards . Dear Friend , Especially for you - this amazing announcement ! This is a one time mailing there is no need to request removal if you won't want any more ! This mail is being sent in compliance with Senate bill 1622 , Title 2 , Section 303 ! This is NOT unsolicited bulk mail ! Why work for somebody else when you can become rich inside 70 days . Have you ever noticed nearly every commercial on television has a .com on in it and most everyone has a cellphone . Well, now is your chance to capitalize on this ! We will help you turn your business into an E-BUSINESS and turn your business into an E-BUSINESS . You can begin at absolutely no cost to you . But don't believe us . Ms Ames who resides in Alaska tried us and says "Now I'm rich, Rich, RICH" . We are a BBB member in good standing . If not for you then for your loved ones - act now . Sign up a friend and you get half off ! Thanks ! Dear Professional ; You made the right decision when you signed up for our mailing list ! If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our club . This mail is being sent in compliance with Senate bill 2716 ; Title 9 ; Section 305 ! This is NOT unsolicited bulk mail ! Why work for somebody else when you can become rich inside 14 MONTHS ! Have you ever noticed society seems to be moving faster and faster and how long the line-ups are at bank machines ! Well, now is your chance to capitalize on this . We will help you sell more plus turn your business into an E-BUSINESS ! You are guaranteed to succeed because we take all the risk . But don't believe us . Mrs Jones who resides in Maryland tried us and says "I was skeptical but it worked for me" . We assure you that we operate within all applicable laws ! You have no reason not to act now . Sign up a friend and you'll get a discount of 90% . Thank-you for your serious consideration of our offer . Dear Web surfer ; Especially for you - this amazing info . We will comply with all removal requests . This mail is being sent in compliance with Senate bill 2516 , Title 3 ; Section 305 . This is not a get rich scheme ! Why work for somebody else when you can become rich inside 33 WEEKS . Have you ever noticed people love convenience plus more people than ever are surfing the web ! Well, now is your chance to capitalize on this ! We will help you process your orders within seconds and sell more . You can begin at absolutely no cost to you . But don't believe us . Mrs Jones who resides in Pennsylvania tried us and says "I was skeptical but it worked for me" . We assure you that we operate within all applicable laws . If not for you then for your loved ones - act now . Sign up a friend and your friend will be rich too . Thanks . Dear Internet user ; This letter was specially selected to be sent to you ! If you are not interested in our publications and wish to be removed from our lists, simply do NOT respond and ignore this mail ! This mail is being sent in compliance with Senate bill 1626 , Title 3 ; Section 301 . This is not multi-level marketing ! Why work for somebody else when you can become rich within 94 WEEKS ! Have you ever noticed nearly every commercial on television has a .com on in it and how long the line-ups are at bank machines ! Well, now is your chance to capitalize on this ! We will help you deliver goods right to the customer's doorstep & increase customer response by 130% . You are guaranteed to succeed because we take all the risk ! But don't believe us . Mr Anderson of Georgia tried us and says "My only problem now is where to park all my cars" ! This offer is 100% legal . For God's sake, order now ! Sign up a friend and your friend will be rich too ! Thanks ! Dear Salaryman , Your email address has been submitted to us indicating your interest in our letter . This is a one time mailing there is no need to request removal if you won't want any more . This mail is being sent in compliance with Senate bill 2616 , Title 1 ; Section 306 . This is NOT unsolicited bulk mail ! Why work for somebody else when you can become rich within 10 MONTHS . Have you ever noticed society seems to be moving faster and faster plus people are much more likely to BUY with a credit card than cash . Well, now is your chance to capitalize on this . WE will help YOU process your orders within seconds and decrease perceived waiting time by 140% ! You can begin at absolutely no cost to you . But don't believe us ! Mrs Anderson who resides in Wyoming tried us and says "My only problem now is where to park all my cars" . This offer is 100% legal . So make yourself rich now by ordering immediately . Sign up a friend and you'll get a discount of 70% ! God Bless . Dear Internet user , Thank-you for your interest in our letter . If you are not interested in our publications and wish to be removed from our lists, simply do NOT respond and ignore this mail ! This mail is being sent in compliance with Senate bill 2516 ; Title 8 , Section 305 ! This is different than anything else you've seen ! Why work for somebody else when you can become rich in 40 WEEKS . Have you ever noticed people love convenience plus more people than ever are surfing the web . Well, now is your chance to capitalize on this ! We will help you sell more plus deliver goods right to the customer's doorstep ! You are guaranteed to succeed because we take all the risk ! But don't believe us ! Ms Ames of Wyoming tried us and says "My only problem now is where to park all my cars" ! We assure you that we operate within all applicable laws ! We BESEECH you - act now ! Sign up a friend and you get half off . Cheers ! Dear Professional ; Thank-you for your interest in our newsletter . If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our club . This mail is being sent in compliance with Senate bill 1619 ; Title 1 , Section 306 ! This is NOT unsolicited bulk mail ! Why work for somebody else when you can become rich within 47 days ! Have you ever noticed more people than ever are surfing the web & people are much more likely to BUY with a credit card than cash . Well, now is your chance to capitalize on this ! WE will help YOU deliver goods right to the customer's doorstep and increase customer response by 200% ! You can begin at absolutely no cost to you . But don't believe us ! Prof Anderson who resides in New Hampshire tried us and says "I was skeptical but it worked for me" ! We are licensed to operate in all states ! We beseech you - act now . Sign up a friend and you'll get a discount of 50% ! Warmest regards ! Dear Professional , Especially for you - this amazing information . If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our club ! This mail is being sent in compliance with Senate bill 1623 , Title 2 , Section 305 . This is not a get rich scheme ! Why work for somebody else when you can become rich in 26 DAYS . Have you ever noticed most everyone has a cellphone and how long the line-ups are at bank machines . Well, now is your chance to capitalize on this ! We will help you sell more and decrease perceived waiting time by 140% ! The best thing about our system is that it is absolutely risk free for you ! But don't believe us . Mrs Ames who resides in Tennessee tried us and says "Now I'm rich, Rich, RICH" ! We assure you that we operate within all applicable laws . DO NOT DELAY - order today ! Sign up a friend and you get half off . Thank-you for your serious consideration of our offer . Dear Decision maker , Especially for you - this amazing info . This is a one time mailing there is no need to request removal if you won't want any more ! This mail is being sent in compliance with Senate bill 2316 , Title 2 , Section 303 . This is different than anything else you've seen . Why work for somebody else when you can become rich as few as 37 months . Have you ever noticed nearly every commercial on television has a .com on in it and nobody is getting any younger . Well, now is your chance to capitalize on this ! We will help you sell more and deliver goods right to the customer's doorstep ! You are guaranteed to succeed because we take all the risk . But don't believe us ! Ms Anderson of Arizona tried us and says "I've been poor and I've been rich - rich is better" ! We are a BBB member in good standing . We beseech you - act now . Sign up a friend and you get half off ! Cheers . Dear Business person ; Especially for you - this amazing announcement ! If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our club . This mail is being sent in compliance with Senate bill 1618 , Title 9 , Section 309 ! This is NOT unsolicited bulk mail . Why work for somebody else when you can become rich in 98 DAYS ! Have you ever noticed the baby boomers are more demanding than their parents and nobody is getting any younger ! Well, now is your chance to capitalize on this . WE will help YOU deliver goods right to the customer's doorstep and decrease perceived waiting time by 110% . You are guaranteed to succeed because we take all the risk . But don't believe us . Mrs Simpson of South Carolina tried us and says "I've been poor and I've been rich - rich is better" . We are licensed to operate in all states . Because the Internet operates on "Internet time" you must make a commitment soon ! Sign up a friend and you'll get a discount of 60% . Thanks ! Dear E-Commerce professional ; Your email address has been submitted to us indicating your interest in our publication ! If you are not interested in our publications and wish to be removed from our lists, simply do NOT respond and ignore this mail . This mail is being sent in compliance with Senate bill 2116 , Title 6 , Section 308 ! This is not a get rich scheme ! Why work for somebody else when you can become rich as few as 61 months . Have you ever noticed most everyone has a cellphone and most everyone has a cellphone . Well, now is your chance to capitalize on this . WE will help YOU turn your business into an E-BUSINESS plus decrease perceived waiting time by 160% . You can begin at absolutely no cost to you ! But don't believe us . Mr Simpson of New Hampshire tried us and says "My only problem now is where to park all my cars" ! We are a BBB member in good standing ! You will blame yourself forever if you don't order now . Sign up a friend and you'll get a discount of 40% ! God Bless ! Dear Friend , Especially for you - this red-hot info . We will comply with all removal requests . This mail is being sent in compliance with Senate bill 1623 , Title 5 ; Section 303 . This is a ligitimate business proposal . Why work for somebody else when you can become rich in 97 MONTHS . Have you ever noticed more people than ever are surfing the web plus people love convenience . Well, now is your chance to capitalize on this ! We will help you turn your business into an E-BUSINESS plus increase customer response by 200% ! The best thing about our system is that it is absolutely risk free for you . But don't believe us . Mr Simpson who resides in Utah tried us and says "I was skeptical but it worked for me" . We are licensed to operate in all states . So make yourself rich now by ordering immediately . Sign up a friend and you'll get a discount of 40% ! God Bless ! Dear Friend ; You made the right decision when you signed up for our mailing list . If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our mailing list ! This mail is being sent in compliance with Senate bill 2516 , Title 1 , Section 307 . This is a ligitimate business proposal ! Why work for somebody else when you can become rich within 36 DAYS . Have you ever noticed people love convenience and society seems to be moving faster and faster . Well, now is your chance to capitalize on this . We will help you SELL MORE and deliver goods right to the customer's doorstep ! You can begin at absolutely no cost to you . But don't believe us . Mrs Jones of New Mexico tried us and says "Now I'm rich, Rich, RICH" ! This offer is 100% legal . DO NOT DELAY - order today . Sign up a friend and you'll get a discount of 10% . Cheers . Dear Friend ; Especially for you - this red-hot news ! If you are not interested in our publications and wish to be removed from our lists, simply do NOT respond and ignore this mail . This mail is being sent in compliance with Senate bill 2716 , Title 4 ; Section 308 ! THIS IS NOT MULTI-LEVEL MARKETING ! Why work for somebody else when you can become rich inside 93 weeks ! Have you ever noticed the baby boomers are more demanding than their parents and most everyone has a cellphone ! Well, now is your chance to capitalize on this . WE will help YOU sell more and turn your business into an E-BUSINESS . You can begin at absolutely no cost to you ! But don't believe us . Prof Anderson of Nevada tried us and says "I've been poor and I've been rich - rich is better" . We are licensed to operate in all states . So make yourself rich now by ordering immediately . Sign up a friend and your friend will be rich too . Cheers . Dear Friend ; Thank-you for your interest in our letter . If you no longer wish to receive our publications simply reply with a Subject: of "REMOVE" and you will immediately be removed from our mailing list ! This mail is being sent in compliance with Senate bill 1624 , Title 2 , Section 305 ! This is not multi-level marketing . Why work for somebody else when you can become rich inside 52 days ! Have you ever noticed how long the line-ups are at bank machines and people are much more likely to BUY with a credit card than cash . Well, now is your chance to capitalize on this . WE will help YOU process your orders within seconds plus sell more ! You can begin at absolutely no cost to you ! But don't believe us . Prof Jones of Virginia tried us and says "I was skeptical but it worked for me" ! We are a BBB member in good standing ! Don't delay - order today ! Sign up a friend and you get half off ! Best regards ! Dear Salaryman ; Thank-you for your interest in our publication . We will comply with all removal requests . This mail is being sent in compliance with Senate bill 2616 , Title 4 ; Section 301 ! This is not multi-level marketing ! Why work for somebody else when you can become rich in 47 months ! Have you ever noticed more people than ever are surfing the web & more people than ever are surfing the web ! Well, now is your chance to capitalize on this ! WE will help YOU process your orders within seconds and use credit cards on your website . You can begin at absolutely no cost to you . But don't believe us . Mrs Ames of Nevada tried us and says "My only problem now is where to park all my cars" ! We assure you that we operate within all applicable laws ! You have no reason not to act now . Sign up a friend and you'll get a discount of 60% ! Thanks . Dear Professional ; Especially for you - this cutting-edge information . This is a one time mailing there is no need to request removal if you won't want any more . This mail is being sent in compliance with Senate bill 1621 , Title 1 ; Section 302 . This is NOT unsolicited bulk mail . Why work for somebody else when you can become rich within 49 weeks . Have you ever noticed more people than ever are surfing the web & more people than ever are surfing the web ! Well, now is your chance to capitalize on this ! We will help you process your orders within seconds & SELL MORE . You can begin at absolutely no cost to you . But don't believe us . Ms Jones who resides in Illinois tried us and says "Now I'm rich, Rich, RICH" . We are a BBB member in good standing ! You will blame yourself forever if you don't order now . Sign up a friend and you'll get a discount of 20% . Best regards . Dear Cybercitizen ; We know you are interested in receiving red-hot info ! This is a one time mailing there is no need to request removal if you won't want any more . This mail is being sent in compliance with Senate bill 2516 , Title 9 ; Section 301 ! This is not multi-level marketing . Why work for somebody else when you can become rich as few as 60 days ! Have you ever noticed the baby boomers are more demanding than their parents & people are much more likely to BUY with a credit card than cash . Well, now is your chance to capitalize on this . WE will help YOU increase customer response by 150% & increase customer response by 150% ! You can begin at absolutely no cost to you . But don't believe us . Mrs Ames who resides in Wisconsin tried us and says "My only problem now is where to park all my cars" . We are licensed to operate in all states . Don't delay - order today ! Sign up a friend and your friend will be rich too ! Warmest regards !

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