Alphanumeric shellcode - Revision history

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2022-01-10T15:43:17Z

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	#REDIRECT [[Shellcode#Alphanumeric]]		#REDIRECT [[Shellcode#Alphanumeric]]

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2021-11-24T21:54:53Z

merging into main article

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			#REDIRECT [[Shellcode#Alphanumeric]]
	In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely [[alphanumeric]] [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working [[machine code]] inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>

	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

	==See also==
	*[[EICAR test file]] - a test pattern used to test the installation of the anti virus software, which is written in printable code.

	==Further reading==
	* [http://www.phrack.org/issues.html?issue=57&id=15#article Writing ia32 alphanumeric shellcodes], an article on how to write alphanumeric shellcode.
	* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.
	* [https://web.archive.org/web/20150403114315/http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl%2F~bjwever%2Fwhitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).
	* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.
	* [https://web.archive.org/web/20110716082815/http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]
	* [https://web.archive.org/web/20110716082850/http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]
	* [http://www.vividmachines.com/shellcode/shellcode.html#ps Shellcoding for Linux and Windows — Printable Shellcode]: Explanation and tutorial

	== References ==
	{{reflist}}

	{{DEFAULTSORT:Alphanumeric Code}}
	[[Category:Computer security exploits]]
	[[Category:Injection exploits]]
	[[Category:Steganography]]

	[[ca:Alfanumèric]]

Fgnievinski at 21:54, 24 November 2021

2021-11-24T21:54:06Z

← Previous revision		Revision as of 21:54, 24 November 2021
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	In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working [[machine code]] inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>		In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely [[alphanumeric]] [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working [[machine code]] inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>

	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>		Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

Oranjelo100 at 00:00, 2 February 2021

2021-02-02T00:00:21Z

← Previous revision		Revision as of 00:00, 2 February 2021
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	In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working machine code inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>		In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working [[machine code]] inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>

	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>		Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

GreenC bot: Reformat 2 archive links. Wayback Medic 2.5

2020-07-11T03:42:30Z

Reformat 2 archive links. Wayback Medic 2.5

← Previous revision		Revision as of 03:42, 11 July 2020
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	In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working machine code inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>		In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working machine code inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>

	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>		Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \|archive-url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \|url-status=dead \|archive-date=2012-06-21 \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

	==See also==		==See also==

69.116.140.165: Switched to archived link because original site is gone

2019-02-06T00:51:35Z

Switched to archived link because original site is gone

← Previous revision		Revision as of 00:51, 6 February 2019
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	In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working machine code inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>		In [[computer security]] '''alphanumeric shellcode''' is a [[shellcode]] that consists of or assembles itself on execution into entirely alphanumeric [[ASCII]] or [[Unicode]] characters such as 0-9, A-Z and a-z.<ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=57&id=15#article \| title=Writing ia32 alphanumeric shellcodes \|publisher=rix }}</ref><ref>{{cite web \|last=SkyLined \|url=http://www.phrack.org/issues.html?issue=61&id=11#article \|title=Building IA32 'Unicode-Proof' shellcodes \|publisher=obscou}}</ref> This type of encoding was created by [[Hacker (computer security)\|hackers]] to hide working machine code inside what appears to be text. This can be useful to avoid detection of the code and to allow the code to pass through filters that scrub non-alphanumeric characters from strings (in part, such filters were a response to non-alphanumeric [[shellcode]] exploits). A similar type of encoding is called printable code and uses all [[Control character\|printable]] characters (0-9, A-Z, a-z, !@#%^&*() etc...) It has been shown that it is possible to create shellcode that looks like normal text in English.<ref>{{cite web\|url=http://www.cs.jhu.edu/~sam/ccs243-mason.pdf \|author1=J. Mason \|author2=S. Small \|author3=F. Monrose \|author4=G. MacManus \|title=English shellcode \|date=November 2009 \|accessdate=2010-01-10}}</ref>

	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>		Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=https://web.archive.org/web/20120621124443/http://www.blackhatlibrary.net/Alphanumeric_shellcode \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

	==See also==		==See also==

InternetArchiveBot: Rescuing 1 sources and tagging 0 as dead. #IABot (v2.0beta9)

2018-10-13T16:25:22Z

Rescuing 1 sources and tagging 0 as dead. #IABot (v2.0beta9)

← Previous revision		Revision as of 16:25, 13 October 2018
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	* [http://www.phrack.org/issues.html?issue=57&id=15#article Writing ia32 alphanumeric shellcodes], an article on how to write alphanumeric shellcode.		* [http://www.phrack.org/issues.html?issue=57&id=15#article Writing ia32 alphanumeric shellcodes], an article on how to write alphanumeric shellcode.
	* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.		* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.
	* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever~~/whitepaper_shellcode~~.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).		* [https://web.archive.org/web/20150403114315/http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl%2F~bjwever%2Fwhitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).
	* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.		* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.
	* [https://web.archive.org/web/20110716082815/http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]		* [https://web.archive.org/web/20110716082815/http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]

InternetArchiveBot: Rescuing 2 sources and tagging 0 as dead. #IABot (v1.6.1) (Balon Greyjoy)

2017-12-09T16:39:19Z

Rescuing 2 sources and tagging 0 as dead. #IABot (v1.6.1) (Balon Greyjoy)

← Previous revision		Revision as of 16:39, 9 December 2017
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	* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).		* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).
	* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.		* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.
	* [http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]		* [https://web.archive.org/web/20110716082815/http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]
	* [http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]		* [https://web.archive.org/web/20110716082850/http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]
	* [http://www.vividmachines.com/shellcode/shellcode.html#ps Shellcoding for Linux and Windows — Printable Shellcode]: Explanation and tutorial		* [http://www.vividmachines.com/shellcode/shellcode.html#ps Shellcoding for Linux and Windows — Printable Shellcode]: Explanation and tutorial

62.45.178.169: /* Further reading */ Update ALPHA3 link

2016-11-21T12:49:58Z

Bender235: clean up; http->https (see this RfC) using AWB

2016-07-19T21:17:10Z

clean up; http->https (see this RfC) using AWB

← Previous revision		Revision as of 21:17, 19 July 2016
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	Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>		Writing alphanumeric or printable code requires good understanding of the [[instruction set architecture]] of the machine(s) on which the code is to be executed. It has been demonstrated that it is possible to write alphanumeric code that is executable on more than one machine.<ref>{{cite web \|url=http://www.blackhatlibrary.net/Alphanumeric_shellcode \| title=Multi-architecture (x86) and 64-bit alphanumeric shellcode explained \|publisher=Blackhat Academy }}</ref>

	==See also==		==See also==
	*[[EICAR test file]] - a test pattern used to test the installation of the anti virus software, which is written in printable code.		*[[EICAR test file]] - a test pattern used to test the installation of the anti virus software, which is written in printable code.
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	* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.		* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.
	* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).		* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).
	* [~~http~~://code.google.com/p/alpha3/ ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.		* [https://code.google.com/p/alpha3/ ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.
	* [http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]		* [http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]
	* [http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]		* [http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]

← Previous revision		Revision as of 12:49, 21 November 2016
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	* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.		* [http://www.phrack.org/issues.html?issue=61&id=11#article Building IA32 'Unicode-Proof' shellcodes], an article on how to write Unicode proof shellcode.
	* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).		* [http://skypher.com/wiki/index.php?title=Www.edup.tudelft.nl/~bjwever/whitepaper_shellcode.html.php Writing IA32 restricted instruction set shellcodes], an article on how to write code that is very limited in the number of characters it can use (such as alphanumeric code).
	* [https://~~code.google~~.com/p/alpha3/ ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.		* [https://github.com/SkyLined/alpha3 ALPHA3], an alphanumeric shellcode encoder: Utility to encode normal machine code into alphanumeric (upper-case or mixed-case) ASCII or Unicode text.
	* [http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]		* [http://skypher.com/wiki/index.php?title=X86_alphanumeric_opcodes List of x86 Alphanumeric opcodes]
	* [http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]		* [http://skypher.com/wiki/index.php?title=X64_alphanumeric_opcodes List of x64 alphanumeric opcodes]