보안쟁이-회사원의 일상

문제 페이지 소스보기를 누르면 index.phps 라는 주석이 보인다.
들어가면 위와 같은 소스코드를 확인 할 수 있으며
결론적으로는

$pat="/^(([e]){1}J){2,}_l[^1-9,^a-z,^A-Z]".chr(118)."[?]{5,}".(19%4)."$/";

라는 정규표현식을 맞춰주면 정답이 나오게 된다.



ructf ..

이름 답게.. 러시아에서 하는 ctf 다 ^^;
규칙 중 한가지가.. 50% 상이 학생이여야 한다.. 하는 조항이 끼어있어서.. 일단 나는 탈락!! ㅋ
하지만 ctf 준비하는 중이니까.. 역시 이것저것 풀어보면 좋을 듯 하여 일단 신청은 해놨다.
즐거운 주말이 되기를.~

ps. 근데.. 얘들이 너무 비협조적으로.. 영문도 아닌.. 러시아어로 써놔서.. 일단 극 to the 복 이 필요한 상황..

http://ructf.org/2012

문제 페이지를 보면 위와 같은 게임이 보인다.
W,A,D 를 누르면 게임이 진행되는데.. firefox에서는 되지 않는다.
몇번 눌러보니.. 도저히 깰 수 없는 게임이였다. -_-;;

웹페이지 소스를 보니 답이 너무나도 명확하게 나와있었다.

{m3.innerHTML="<br />"+move_right_left()+"c0"+chk2();}

Fresh man IU who is real geek becomes a member of Club 101101.
IU is a timid person , so he really doesn 't like other people use his computer .
T h e n
Az hrb eix mcc gyam mcxgixec rokaxioaqh hrb mrqpck gyam lbamgarx oatygqh
Erxtoigbqigarx Gidc hrbg gasc gr koaxd erzzcc zro i jyaqc Kr hrb ocqh rx
Ockubqq ro Yrg man ? Gyc ixmjco am dccqihrbgm
If you can , please analyze this file 7 E85167E004F1045C2C96AD6C17FC8CF

문제와 함께 암호문과

파일이 하나 주어진다..
암호문만 풀면 될거 같은데.. 이런쪽엔 잼병인지라..
파일을 풀어봐도 몰랐었다..
그러다가 애플 키보드 레이아웃이라는 것만 알아냈을뿐.. 못풀고 있었는데..

헐래.. PPP 문제 풀이를 보는 순간. 헉헉.....

http://www.blisstonia.com/software/WebDecrypto/
이런 사이트에서.. 단 2초만에 풀리는걸 감상해버렸다.....
젠장젠장.. ㅠㅠ

해당 사이트에서는 설치형 툴로도 배포를 하고 있었다.. 젠장젠장..

이거.. 어케 하는거지 -_-;
암호학 공부가 좀 필요한거 같고..

에효. 나중에 구현이나 해봐야지................
oTL..

http://midnightresearch.com/wiki/index.php/Port_Scan

위 링크를 따라가면 다양한 스캐닝 공격에 대해서 설명이 되어있다.
Seq 0 ACK 1 일 경우도.. 스캐닝 공격인듯!!

해당 패턴으로 탐지로직을 만들어봤더니..

NSA에서 스캔 중 -_-;; 뭐지.. 왠 미국 정부에서 우리나라 IP를 스캔하고 있는지 잘 모르겠다 -_-;

Javascript 디코딩 사이트
http://jsbeautifier.org

Binary 디코딩 사이트
http://home.paulschou.net/tools/xlate/

펌 : http://www.jjtc.com/Steganography/tools.html
참고자료 : http://embeddedsw.net/EMUFDD_Floppy_Hardware_Emulator_Home.html
참고자료 : http://en.wikipedia.org/wiki/Steganography_tools

Manufacturer comparison

Program	Image files	Audio files	Video files	Document files	Other support	Notes
OpenPuff	BMP, JPG, PNG, TGA	Mp3, WAV	3gp, Mp4, MPEG-1, MPEG-2, VOB, SWF, FLV	Pdf	-	Carrier chains, Multi-layered obfuscation
Red JPEG	JPG	-	-	-	-	XT for Total Commander, LZMA compression, PRNG-based masking and distribution
DarkCryptTC	BMP, JPG, TIFF, PNG, PSD, TGA, MNG	WAV	-	TXT, HTML, XML, ODT	EXE, DLL, NTFS streams	RSD mode (RNG-based random data distribution)
MP3Stego	-	Mp3	-	-	-	-
OpenStego	BMP, PNG	-	-	-	-	-
S-Tools	BMP, GIF	Wav	-	-	Unused floppy disk space	-
StegFS	-	-	-	-	Steganographic file system for Linux	-
Steganographic Laboratory (VSL)	BMP, PNG, JPG, TIFF	-	-	-	-	-
PHP-Class StreamSteganography	PNG	-	-	-	-	-
Steganography Studio	BMP, PNG, GIF	-	-	-	-	A set of different hiding methods included
Anubis[clarification needed]	all format[clarification needed]	?	?	?	?	?

1. Blindside by John Collomosse. Last known addresses: ma7jpc@bath.ac.uk http://www.blindside.co.uk/
   
   
2. BMP Secrets by Parallel Worlds. Parallel Worlds is a company based in Kiev, capital of Ukraine. Tel.: +380 (44) 442 6077 Tel./Fax.: +380 (44) 442 0516 Pager: +380 (44) 461 0146 ab# 100252 GSM SMS: chekh@sms.umc.com.ua e-mail: chekh@pworlds.com · General Information: Info_PW@kbi.kiev.ua · Services: Services_PW@kbi.kiev.ua · Customer and Product Support: Support_PW@kbi.kiev.ua · Products Sales: Sales_PW@kbi.kiev.ua · Web design: webmaster_PW@kbi.kiev.ua · Other questions: admin_PW@kbi.kiev.ua Visit Parallel Worlds page at http://www.pworlds.com Visit our steganography page at http://www.pworlds.com/techn/steganography.phtml Visit BMP Secrets page at http://www.pworlds.com/products/bmp-secrets.phtml http://www.pworlds.com
   
   
3. BMPEmbed v1.54 (DEMO) Data Embed by Brook Sandford and Ted Handel (LANL.gov) IMAGES: (BMP )
   
   
4. BMPTable v2.16 (DEMO) Data Embed by Brook Sandford and Ted Handel (LANL.gov) Brook Sandford mts@lanl.gov Ted Handel thandel@lanl.gov IMAGES: (BMP )
   
   
5. Camouflage 2.0 by Frederic Peters. Last known contact information for the author: Frédéric Péters, rue Chantraine, 38 4420 Montegnée Belgique e-mail : fpeters@chanae.alphanet.ch fpeters@mygale.org IMAGES: (TGA (24-bit uncompressed, 640x480, minimum of 921618 bytes). Author recommends using PNG. )
   
   
6. Contraband Hell Edition (CHE) by Julius B. Thyssen & Hens Zimmerman of Immortalware / JTHZ Productions based in Amsterdam, The Netherlands. Last known urls: http://come.to/us or http://www.jthz.com/puter/ CHE runs on Win9x and process 24-bit BMP images
   
   
7. Contraband, Contraband 9g by Julius B. Thyssen & Hens Zimmerman of Immortalware / JTHZ Productions based in Amsterdam, The Netherlands. Last known urls: http://come.to/us or http://www.jthz.com/puter/ CHE runs on Win9x and process 24-bit BMP images
   
   
8. Courier v1.0 by Kelce Wilson. Last known address: http://pages.prodigy.net/robyn.wilson/ runs on Win32 systems and embeds in IMAGES: (BMP (24-bit - will convert lower resolutions to 24-bit) )
   
   
9. Covert.tcp C source code for Covert Channels in the TCP/IP Protocol Suite by Craig H. Rowland. Published in f¡®sT - moñd@¥ (First Monday), Vol.2 No.5 - 5 May 1997. The article and source code are available from http://www.firstmonday.dk/issues/issue2_5/rowland/
   
   
10. Data Stash v1.1, v1.1a Lim, Chooi Guan Previous addresses: webmaster@famousguy.net http://www.skyjuicesoftware.com/software/ds_info.html Claims to embed in the following media: IMAGES: (any binary ) AUDIO: (any binary ) TEXT: (yes, but suggest avoiding ) FILE/DISK: (any binary ) OTHER: (any binary )
    
    
11. dc-Steganograph The application is also known as: DC-Stego and DiSi-Steganograph. A DOS program that hides data in 320x200 256 color PCX-files. Author's last known address: http://members.tripod.com/~Nikola_Injac/stegano/
    
    
12. DCT-Steg (aka DCT-Jpeg) by Stefan Katzenbeisser embeds in JPEG images by manipulating the DCT coefficients
    
    
13. Digital Picture Envelope by the Digital Picture Enveloping Research Group. Product is based on the BPCS Steganography research. Previous addresses: bpcs@know.comp.kyutech.ac.jp http://www.know.comp.kyutech.ac.jp/BPCSe/Dpenv-e/DPENVe-home.html The application runs on Win32. IMAGES: (BMP (adaptive) )
    
    
14. Diskhide by MTC Medincom (Russia). DOS application that hides data on disks
    
    
15. Dmagic by Ðerek de Oliveira (Russia) Previous addresses: dede11@hotmail.com and BigD99860@juno.com Hides files and folders on Windows systems
    
    
16. DPT (Data Privacy Tool) by Bernard Last known URL: http://www.xs4all.nl/~bernard/home_e.html Hides in BMP images. The author recommends 24-bit BMPs
    
    
17. EasyPrivacy Pro v2.1.1 by D4F Corp Last known addresses: Landstrasse 25, 9490 Vaduz, Liechtenstein ( Europe ) Mail@digi4fun.com or webmaster@digi4fun.com http://www.digi4fun.com/EasyPrivacy.html The application runs on Win32 systems and embeds in BMP images
    
    
18. EIKONAmark by I. Pitas is now a series of watermarking products that embed in a variety of media types. The original EIKONAmark processed images: (input: BMP, JPG, TIF, TGA, GIF output: TIF, TGA, JPG)
    
    
19. Empty Pic by Robert Wallingford. Previous addresses: wallingford@usa.net, prof.engineer@usa.net, and robertw@crtelco.com URL: http://www.crtelco.com/~robertw/ Empty Pic is a command line tool for Windows that "hides" a GIF image by replacing the palette with a single color. The original may be restored with the software.
    
    
20. Encrypt Pic by Fredric Collin. Previous addresses: Frederic.Collin@advalvas.be, http://members.nbci.com/_XMCM/fredc/index2.html http://members.nbci.com/_XMCM/fredc/encryptpic.html http://members.xoom.com/fredc/encryptpic.html The application runs on Win32 systems. Data is embedded in BMP images.
    
    
21. Encrypted Magic Folders (EMF) (also Magic Folders) by PC Magic Software Addresses: info@pc-magic.com http://www.pc-magic.com/ This application hides and encrypts files and folders
    
    
22. EzStego by Romana Machado, author of Stego1a2 for the Mac. EzStego is "steganography made easy" - previously available at http://www.stego.com. EzStego is an implementation of Stego in Java. Stego is available at http://www.nic.funet.fi/pub/crypt/steganography/
    
    
23. F5 by Andreas Westfeld (Dresden, Germany) Previous addresses: westfeld@inf.tu-dresden.de http://www.inf.tu-dresden.de/~aw4 The application hides in JPEG images by manipulating the DCT coefficients
    
    
24. FatMacPGP 2.6.3 Previous address: http://www.math.ohio-state.edu/~fiedorow/PGP This application is for MAC computers
    
    
25. FFEncode Hides data in a Morse code of null characters. The file maybe downloaded from http://www.rugeley.demon.co.uk/security/encrypt.htm (UK).
    
    
26. Folder Guard Jr. (also see Folder Guard) by WinAbility (Andrei Belogortseff). Previous address: WinAbility, P.O.Box 5534 Buffalo Grove, IL 60089-5534 U.S.A. http://www.winability.com WIN: (9x/Me/NT/2000 ) FILE/DISK: (hide files & folders )
    
    
27. Folder Guard by WinAbility (Andrei Belogortseff). WinAbility? P.O.Box 5534 Buffalo Grove, IL 60089-5534 U.S.A. http://www.winability.com This product has more features than Folder Guard Jr. WIN: (Win 9x/Me/@K/XP/Vista ) FILE/DISK: (hide files & folders )
    
    
28. Ghost Host by Kelce Wilson. Previous address: http://pages.prodigy.net/robyn.wilson/ WIN: (Win ) FILE/DISK: (Hides (appends) "ghost" files at the end for other files. )
    
    
29. Gif-It-Up by Lee Nelson. Win32 application that hides in GIF images.
    
    
30. Gifshuffle by Matthew Kwan (Darkside Technologies) - Australia. Previous addresses: mkwan@darkside.com.au http://www.darkside.com.au/gifshuffle/ WIN: (Win (DOS) ) IMAGES: (GIF (palette manipulation) )
    
    
31. Giovanni by BlueSpike, Inc (Scott Moskowitz). http://www.bluespike.com Bluespike offers watermarking products for various media formats
    
    
32. Gzsteg by Andy Brown and Ken Pizzini hides in GZ compressed files and is available at http://www.nic.funet.fi/pub/crypt/steganography/
    
    
33. Hermetic Stego by Peter Meyer, Hermetic Systems This program is capable of hiding in a BMP image or across multiple BMP images. More information and download from http://www.hermetic.ch/hst/hst.htm
    
    
34. Hidden by Evgeny Vasjuk Previous addresses: evgenyww@bashnet.ru evgenyww@windoms.sitek.net http://www.bashnet.ru/~evgenyww/ FILE/DISK: (hide files and folders )
    
    
35. Hide and Seek by Colin Maroney Hide and Seek 4.1 http://www.nic.funet.fi/pub/crypt/steganography/ (Finland) and Hide and Seek 5.0 is significant update to hideseek v4.1 which includes a lot of new features. Available at www.rugeley.demon.co.uk (UK) Hide and Seek for Windows 95 is also available
    
    
36. Hide In Picture by Davi Tassinari de Figueiredo. Previous addresses: davitf@usa.net http://www.brasil.terravista.pt/Jenipabu/2571 PORTUGAL http://www.brasil.terravista.pt/Jenipabu/2571/e_hip.htm WIN: (9x/Win32) IMAGES: (BMP )
    
    
37. Hide Unhide (Hide) by GRYPHON Microproducts (no longer exists). Previous address: PO BOX 10087, Silver Spring, MD 20914, USA DOS command line IMAGES: (TIFF)
    
    
38. Hide by Toby Sharp. Previous addresses: Secret Software TSharp@Serif.com http://www.geocities.com/toby.sharp/hidev2.zip WIN32 IMAGES: (24-bit color, 8-bit grayscale )
    
    
39. Hide4PGP by Heinz Repp hides data in BMP, WAV, and VOC files. Available from the author's website: http://www.heinz-repp.onlinehome.de/Hide4PGP.htm (Germany)
    
    
40. Hideme (Hide Me) for Windows (encryption tool) by Terry Mechan Olympic Communications Previous address: Olympic@Netwales.co.uk http://www.fis.lv/olympic Hides files & directories by encrypting them and placing them in a "hide me" file
    
    
41. In Plain View (IPV) by 9-Yards Computing. Previous addresses: jweiler@9-Yards.com http://www.9-Yards.com Win32 IMAGES: (BMP (24-bit) )
    
    
42. InThePicture (ITP) 2.01, 2.02 by INTAR Technologies. Previous addresses: 23 Sapphire Drive Barons Wood Royal Leamington Spa Warwickshire, CV31 3LB ENGLAND Administrative Contact, Billing Contact: Hogg, Ash (AH2184) ash@INTAR.COM Intar Technologies Limited 12 Penfold Close Bishops Tachbrook Leamington Spa CV33 9SF UK +44-(0)1926-426621 (FAX) +44-(0)1926-426621 http://www.intar.com/ITP/itpinfo.htm WIN: (9x ) IMAGES: (BMP (4-bit, 8-bit, 24-bit) )
    
    
43. Invisible Encryption by Bernd Binder Fractal Iteration of Information (FITIN) Germany http://www.fitin.com (down for some time) Written in JAva IMAGES: (GIF )
    
    
44. Invisible Files 2000 (IF2000), Pro v5.0 (IF2000 Pro) by ANNA Ltd. Previous addresses: if2000@anna.zaporizhzhe.ua Technical Support: support@softsecurity.com Any other questions: contact@softsecurity.com FAX: (508) 355-8507 http://www.softsecurity.com WIN: (9x ) FILE/DISK: (hides files and folders )
    
    
45. Invisible Secrets (numberous versions - also marketed as 1-2-Free Steganography) originally by NeoByte? Solutions. Headquarters: Aleea Rogerius 12 Bloc H1, Ap. 11 Oradea Romania Previous addresses: Corporate WWW: http://www.neobytesolutions.com Invisible Secrets homepage : http://www.invisiblesecrets.com WIN: Win32 Claims to hide in: IMAGES: (BMP, PNG, JPG) AUDIO: (WAV) TEXT: (HTML)
    
    
46. jpeg-jsteg DOS hides information in the DCT coefficients of JPEG's JFIF image format. FTP-Server: http://www.nic.funet.fi/pub/crypt/steganography/ (Finland)
    
    
47. JPHS (aka JPHide JPSeek, JP hide and seek) by Allan Latham Previous address: http://linux01.gwdg.de/~alatham/stego.html Windows Command line and linux versions IMAGES: (JPG )
    
    
48. JPHSWin by Allan Latham. A Windows OS graphical implementation of JPHS. WIN: (9x ) IMAGES: (JPG )
    
    
49. Jsteg Shell by John Korejwa Previous address: http://www.tiac.net/users/korejwa/jsteg.htm GUI front end for jpeg-jsteg. WIN: (9x/NT ) IMAGES: ( JPG - LSB of DCT coefficients )
    
    
50. Magic Folders (MF) (also see Encrypted Magic Folders) by RSE Software Inc.(PC Magic Software). http://www.pc-magic.com/ FILE/DISK: (Hide files and folders )
    
    
51. Makes Files Invisible (MFI) by PC Magic Software Previous address: MFI Registration 1157 57th Drive SE Auburn, WA 98092 (253) 939-4105 http://pc-magic.com WIN: (3.x/9x ) FILE/DISK: (hide files )
    
    
52. Mandelsteg by Henry Hastur DOS Command line product. Generates GIF images of Mandelbrot Fractal graphics for hiding data.
    
    
53. Mimic by Peter Wayner. Generates text using context free grammar
    
    
54. MP3Stego, MP3Stego_GUI by Fabien Petitcolas. http://www.petitcolas.net/fabien/steganography/mp3stego/index.html AUDIO: (MP3 )
    
    
55. MP3Stegz, by Achmad Zaenuri claims to hide a file (of any type) inside mp3 without changing it's size and sound quality. http://achmadz.blogspot.com/2008/05/hide-any-file-inside-mp3-file.html AUDIO: (MP3 )
    
    
56. Nicetext by George Davida and Mark T. Chapman Previous addresses: markc@ctgi.net http://www.nicetext.com/ http://www.ctgi.net/nicetext/ Pseudo-random text-based stego using context-free grammer and customizable dictionaries
    
    
57. Outguess by Niels Provos http://www.outguess.org/ Another tool for hiding in DCT coefficients of JPEG images.
    
    
58. Paranoid by Nathan Mariels. Paranoid is primarily an encryption program that allows you to encrypt files with IDEA, triple DES, and an algorithm written by the author Nathan Mariels. It is a steganography program in that it allows you to hide files in sounds. FTP-Server: ftp://ftp.hacktic.nl/pub/crypto/macintosh/ (The Netherlands)
    
    
59. PGE - Pretty Good Envelope Hides data file into a GIF or JPG file of any size or resolution using a very simple method of appending the message to the file, and then appending a 4 byte little endian number which points to the start of the message. The encryption used is considered "weak" by the author, using another encryption method prior to applying PGE is recommended. Download from Version 1.0 (includes encryption) http://www.rugeley.demon.co.uk/security/encrypt.htm (UK) or version 2.0 (does not include encryption)http://www.afn.org/~afn21533/rgdprogs.htm (US).
    
    
60. PGM Stealth by Timo Rinne and Cirion oy Available at http://www.nic.funet.fi/pub/crypt/steganography/ (Finland) IMAGES: (PGM )
    
    
61. PGPn123 A Windows front-end to PGP, which will hide a text file inside text. Basically a PGP shell tool that also includes a steganography option. Two versions are available: pn123-05.zip (freeware) and an enhanced version pn123e18.zip (shareware). Both may be available at http://www.stegoarchive.com (US)
    
    
62. PicSecret by Andrew Lee (Cortic Software). PicSecret allows users to hide text messages in images. Available for Mac OS X (free) and as a web-interface online at http://www.picsecret.com
    
    
63. PIILO, PILO by Tuomas Aura (now with Microsoft Research). Hides in PGM images
    
    
64. PixelTag by Joshua Smith and Barrett Comiskey (previously with MIT Media Lab). Previous address: http://www.media.mit.edu/pixeltag
    
    
65. Puff v1.01, 2.00 and OpenPuff v2.00, v3.01 by Cosimo Oliboni (Italy): Puff/OpenPuff is a significant rewrite and uses multiple encryption algorithms. Puff 2.X is not compatible with v 1.01. Due to a cryptography rewrite, v3.X is not compatible with v2.X. V3.00 was removed due to a bug in the unhiding routine - this is fixed in v3.01. Carriers for steganogrphic content includes: Images: (BMP, JPG, PCX, PNG, TGA), Audio: (AIFF, MP3, NEXT/SUN, WAV), Video: (3GP, FLV, MP4, MPG, SWF, VOB) in unused space, Files: (WIN PE MODULES). http://members.fortunecity.it/blackvisionit/PUFFV200.HTM
    
    
66. S-Mail by Security Software Development (SSD) Ltd. Previous addresses: Nassau - BAHAMAS http://www.ssdltd.com http://www.privacysoftware.com/ Versions for DOS 5.0+ and Win32 Hides in EXE and DLL files
    
    
67. S-Tools by Andrew Brown - S-Tools hides in a variety of cover media. This software is a good illustration of different versions hiding in different media. These versions cover hiding in BMP, GIF, WAV, and even on unused floppy disk space. Download: S-Tools 1.0 S-Tools 2.0 S-Tools 3.0 S-Tools 4.0 FTP-Server: ftp://ftp.funet.fi/pub/crypt/mirrors/idea.sec.dsi.unimi.it/code/ (Finland)
    
    
68. Safer v2.0 (kill v1.2, unkill v2.0) by C. Petermann (CpH). Versions available for DOS 5.0+, OpenDOS, Win32, and Amiga operating sytems Hides data on floppies
    
    
69. SandMark watermarking software by Christian Collberg and Gregg Townsend. Previous address: http://www.cs.arizona.edu/sandmark/ Unix/Linux: ( ) Watermarks Java code
    
    
70. ScramDisk by Anonymous (AMAN) Author of the program wishes to remain anonymous. ScramDisk support could once be obtained through the alt.security.scramdisk newsgroup. The author uses the pseudonym AMAN. Information about Scramdisk is hosted by Sam Simpson. (scramdisk@samsimpson.com) Previous address: http://www.scramdisk.clara.net/ Several products have been derived from Scramdisk. A sourceforge project is also avilable providing Scramdisk 4 Linux (SD4L) based on this product. Win32 AUDIO: (WAV )
    
    
71. Scytale by Patrick Buseine is a Windows PGP interface that includes an option to hide data in .PCX files. Previous website http://scytale.rever.fr/main.html (France)
    
    
72. SGPO (SteganoGifPaletteOrder) by David Glaude and Didier Barzin. Previous contact information: David GLAUDE: glu@who.net http://www.geocities.com/SiliconValley/Heights/2099/index.htm. Didier BARZIN: didier@unforgettable.com http://student.ulb.ac.be/~dbarzin/. Written in Java IMAGES: (GIF (palette) )
    
    
73. SilentEye by Anselme Chorein. SilentEye is a cross-platform application with binaries and source code available for Windows and Linux with MAC OSX version coming soon. Steganographic processing supports BMP images and WAV audio files. http://www.silenteye.org.
    
    
74. Snow (also variants include !SnowDOS, SnowJava, JSnow By Matthew Kwan is available in both DOS and JAVA executable formats. "snow exploits the steganographic nature of whitespace. Locating trailing whitespace in text is like finding a polar bear in a snowstorm. And it uses the ICE encryption algorithm, so the name is thematically consistent." Information and software is available at http://www.darkside.com.au/snow/index.html (Australia)
    
    
75. Snowdisk by Scott G. Miller. Previous address: scgmille@indiana.edu Linux software for hiding on unused diskspace. Fills the disk space with the encrypted contents of and random data.
    
    
76. Spam Mimic (spammimic) by David Mckellar. See: http://www.spammimic.com/ for more information Generates spam-like text and fake PGP blocks to hide data
    
    
77. Spyder by Lucas (Luke) Natraj. Command line tool IMAGES: (BMP 8-bit )
    
    
78. Stash (Stash-It) by Chris Losinger, Smaller Animals Software, Inc. Previous Contact information: Administrative Contact, Billing Contact: Losinger, Chris (CL4280) chrisdl@PAGESZ.NET Smaller Animals Software, Inc. 8701 Walkelin Ct Raleigh, NC 27615 919-844-7951 (FAX) 9198447951 http://www.smalleranimals.com Win32 IMAGES: (256-color PCX, BMP / 24-bit BMP, TIFF, PNG, PCX)
    
    
79. Stealth A PGP tool for steganography which strips any standard headers off of a PGP encrypted message to make the result look like random noise. Download from Adam Back's site http://cypherspace.org/adam/stealth/ (UK) Version 2.01b is avilable at ftp://ftp.hacktic.nl/pub/crypto/steganographic/ (The Netherlands) Versions are also available at: http://www.nic.funet.fi/pub/crypt/steganography/ (Finland)
    
    
80. Stealthencrypt Internet Security Suite by Herb Kraft or Amy Seeberger, Sublimated Software. Previous contact information: 703 Pier Avenue B330 Hermosa Beach, CA 90254 http://www.stealthencrypt.com/ Windows IMAGES: (BMP, TIF )
    
    
81. Stegano (also WinStegano and steg_win) by Thomas Biel DOS and Windows applications for hiding data in BMP images
    
    
82. Steganos - Steganos Security Suite by Fabian Hansmann (Steganos.com) hides data in BMP, VOC, WAV and ASCII files. See http://www.steganos.com for the latest information. (Germany) Earlier versions of steganos are available at: ftp://ftp.funet.fi/pub/crypt/mirrors/idea.sec.dsi.unimi.it/code/ (Finland) Steganos 1.4 is a small DOS program Steganos for Windows 95 is an upgrade version 1.4 The Steganos Security Suite was introduced in version 2.0 Version 3r5 is avilable at ftp://ftp.hacktic.nl/pub/crypto/steganographic/ (The Netherlands)
    
    
83. StegFS (Steganographic File System) by Andrew D. McDonald. Previous addresses: http://www.mcdonald.org.uk/andrew/ http://ban.joh.cam.ac.uk/~adm36/StegFS Linux
    
    
84. Steghide by Stefan Hetzl. http://steghide.sourceforge.net/ Source code is aviailable and several ports are available for different operating systems. IMAGES: (BMP) AUDIO: (WAV, AU )
    
    
85. StegMark (also StegComm and StegSign) by DataMark Technologies (Singapore). Contact information: DataMark Technologies Pte Ltd Suite 106, Innovation Centre, Block 1, 16 Nanyang Drive Republic of Singapore 637722 Tel: (65)-793-7725 (65)-793-7726 Fax: (65)-793-7790 Email: support@datamark-tech.com http://www.datamark-tech.com/index.htm Claims to embed in multiple file formats and media types IMAGES: (BMP, JPG, GIF, TGA, TIFF, PNG ) AUDIO: (MIDI, WAV, AVI, MPEG )
    
    
86. Stego - Steganosaurus, Stegosaurus by John Walker - Text-based steganography program to send encrypted messages and files. For more information and syntax see: http://www.fourmilab.ch/nav/topics/crypto.html (Switzerland) public domain.
    
    
87. Stego (Stego v1.0a2) by Romana Machado is a steganography tool that enables you to embed data in Macintosh PICT format files, without changing the appearance or size of the PICT file. Thus, Stego can be used as an "envelope" to hide a previously encrypted data file in a PICT file, making it much less likely to be detected. Available at: http://www.nic.funet.fi/pub/crypt/steganography/(Italy) and ftp://ftp.hacktic.nl/pub/crypto/macintosh/ (The Netherlands)
    
    
88. Stegodos also known as Black Wolf's Picture Encoder by Black Wolf. This is a command line tool (actually several) that hide in 256-color screen captures. The screen captures are 320x200. Available at http://www.nic.funet.fi/pub/crypt/steganography/ (Finland) and ftp://idea.sec.dsi.unimi.it/security/crypt/cypherpunks/steganography/ (Italy)
    
    
89. Stegotif by Giovambattista Pulcini. Previous addresses: http://www.verrando.com/pulcini http://www.geocities.com/SiliconValley/9210 Win32 command line IMAGES: (TIFF, TGA (LSB 24-bit RGB) )
    
    
90. Stegowav by Giovambattista Pulcini Previous addresses: http://www.verrando.com/pulcini http://www.geocities.com/SiliconValley/9210 Command line tool (WinDOS) AUDIO: (RIFF (8/16 bits) PCM wave (.WAV) )
    
    
91. Stegowav by Peter Heist. Previous addresses: heistp@rpi.edu and heistp@voicenet.com Java code AUDIO: (Microsoft WAV )
    
    
92. StegParty by Steven E. Hugg. Previous Contact Info: Hamco Software (COMETBUSTERS-DOM) 1249 Turkey Point Rd Edgewater, MD 21037 USS Previous e-mail hugg@POBOX.COM http://www.cometbusters.com/hugg/projects/stegparty.html Unix/Linux Generates text to hide data (not random gibberish)
    
    
93. Stext by Ulrich Kuehn. Previous address: ulrich.kuehn@t-online.de Command line application that generates text to hide information
    
    
94. SubiText also TextSign Watermark by Compris.com Previous contact information: Compris.com Opelstr. 10 D-67661 Kaiserslautern-Siegelbach Germany phone: (+49) 06301 - 703340 fax: (+49) 06301 - 703119 E-Mail:mailto:TextSign@compris.com http://www.textsign.com/
    
    
95. Suresign (Signum) by Signum Technologies http://www.signumtech.com Windows and MAC versions of the watermarking application. Claims: IMAGES: (Invisible watermark and visible logo with Photoshop Plug-in ) AUDIO: (WAV files with the Cool Edit Audio Plug-in )
    
    
96. SysCop by MediaSec Technologies LLC Previous contact information: MediaSec Technologies LLC 321 South Main Street, Suite 2 Providence, RI 02903 USA Tel: (401) 453 6363 x 108 Fax: (401) 453 0444 Email: info@mediasec.com http://www.mediasec.com Digital watermarking products for for Windows, Mac, and Linux Carriers: Images, MPEG-1, MPEG-2
    
    
97. Textego by Chirs Huson. Previouis address: http://www.soltec.net/~huson/ TEXT: (substituion cipher that makes text files look like a cross between mad libs and bad poetry )
    
    
98. TextHide (see SubiText)
    
    
99. Texto Texto by Kevin Maher is a text steganography program which transforms uuencoded or PGP ascii-armoured ascii data into English sentences. Texto text files look like something between mad libs and bad poetry, (although they do sometimes contain deep cosmic truths) and should be close enough to normal english to get past simple-minded mail scanners. FTP-Server: http://www.nic.funet.fi/pub/crypt/steganography/ (Finland)
    
    
100. Virtual Steganographic Laboratory (VSL) by Michal Wegrzyn is a graphical block diagramming tool that allows complex using, testing and adjusting of methods both for image steganography and steganalysis. VSL provides friendly GUI along with modular, plug-in architecture. Available at Sourceforge.
     
     
101. VisualCrypto (Visual Cryptography) by Jouko Holopainen . Previous contact information: Purjehtijantie 4 A 10 FIN-90560 Oulu FINLAND jhol@gnosis.pp.fi as of 1996-05-14 Versions for Windows, MAc, and Linux IMAGES: (Input from PGM (B&W) images and output to Postscript (PS). )
     
     
102. Vodka-tonic by lordlsd is a cryptography-steganography hybrid tool. It can hide data into different filetypes and encrypt the information. Available at http://www.astalavista.com/index.php?section=directory&cmd=detail&id=3181
     
     
103. wbStego by Werner Bailer is a steganography to hide data in bitmaps, text files and HTML files. Available at http://www.8ung.at/wbailer/wbstego/ (Austria)
     
     
104. WitnesSoft No longer available. Used to be offered by Aliroo. WitnesSoft contained DocSec - Invisible, scannable label for organizational document security. PrintAuthentic - Invisible, programmable background for official document authentication. SoftProtect - Built in marking mechanism for software protection. CopyRight - invisible page marking of for copyright protection of printed intellectual property.
     
     
105. Wnstorm - White Noise Storm Wnstorm (White Noise Storm) is a cryptography and steganography software package which you can use to encrypt and hide files within PCX images. Available at http://www.nic.funet.fi/pub/crypt/steganography/ (Finland)
     
     
106. Xidie Security Suite Xidie is one of the most complete, innovative and complex application in steganography branch. Offer over 50 carrier types including many new technologies like ADS, Microsoft Office carrier, Registry keys etc. Most of carrier types implemented in Xidie are unique:Tiff and Word, Excel workbooks, Access databases Registry keys, Microsoft console documents, Event log files Cookies, subtitles, dictionary and PDF documents, Alternate data streams and attaching method with multiple files carrier. Commercial site: http://www.stegano.ro Technical specifications: http://web.clicknet.ro/xidie/index.html
     
     
107. Z-File (Zfile Camouflage and Encryption System) by INFOSEC Information Security Company, Ltd. (Taiwan) Previous addresses: http://www.in4sec.com (no longer) http://www.infosec.com.tw (no longer) Win32 application IMAGES: (BMP)

구글에 검색을 하던 도중 아래와 같은 창이 떴습니다.
처음보는거라.. 신기한데..

혹시 주위에 이런 창 보신 분 계신가요? ^^;

구글은 어떤 기능으로 이렇게 제한하는지 궁금하네요.
단순히 Count 횟수제한으로 이런게 발생할까요? ^^;;

아무튼 신기하네요