難読化shell芸を手助けするscript
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obfresult= ["__=$(. 2>&1);","___=$(/ 2>&1);","__=${__##*.};",'___=$(${__:4:1}c$(printf "\x68")o $___|cut -d":" -${__:1:1}2-);'] | |
obfchain={ | |
"a" => '${__:6:1}', | |
"b" => '$(printf "%b\n" $(printf "%s%x" "\x" 98))', | |
"c" => '${___:13:1}', | |
"d" => '${___:9:1}', | |
"e" => '${__:4:1}', | |
"f" => '${__:1:1}', | |
"g" => '${__:13:1}', | |
"h" => '$(printf "\x68")', | |
"i" => '${___:10:1}', | |
"j" => '$(printf "\x6a")', | |
"k" => '$print "\x6b")', | |
"l" => '${__:3:1}', | |
"m" => '${__:7:1}', | |
"n" => '${__:5:1}', | |
"o" => '${___:15:1}', | |
"p" => '$(printf "\x70")', | |
"q" => '$(printf "\x71")', | |
"r" => '${___:11:1}', | |
"s" => '${___:5:1}', | |
"t" => '${__:18:1}', | |
"u" => '$(printf "\x75")', | |
"v" => '$(printf "\x76")', | |
"w" => '$(printf "\x77")', | |
"x" => '$(printf "\x78")', | |
"y" => '${___:17:1}', | |
"z" => '$(printf "\x7a")', | |
">" => ">", | |
"<" => "<", | |
" " => " $(:;:;:;:;:;:;)", | |
"-" => "-", | |
"." => ".", | |
"[" => "${__:10:1}", | |
"]" => "${__:20:1}", | |
"{" => "{", | |
"}" => "}", | |
"$" => "$", | |
"&" => "&", | |
"#" => "#", | |
"(" => "(", | |
")" => ")", | |
"|" => "|", | |
"\"" => "\"", | |
"/"=>"${___:1:1}", | |
"'" => "'", | |
";" => ';', | |
"9" => "$(((((1+1)*2)+1)*2-1))", | |
"8" => "$(((1+1+1)*2+1+1))", | |
"7" => "$(((1+1+1+1+1)+1+1))", | |
"6" => "$(((2*2)+2))", | |
"5" => "$((((1*1*1*1*1)+1*2)+1))", | |
"4" => "$((2*2))", | |
"3" => "$((1+1+1))", | |
"2" => "2", | |
"1" => "1" | |
} | |
if ARGV.length > 0 | |
ARGV[0].each_char do |i| | |
obfresult.push(obfchain[i]) | |
end | |
puts obfresult.join | |
else | |
puts "obfsh.rb <shellsctipt>" | |
end |
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