Howdy, Squeezed the decrypt.c[1] with perl a bit, just for seeing better how simple that IOS type 7 encryption really is. [1] http://www.rootshell.com/archive-Rbf4ahcmxzw5qn2S/199711/ciscocrack.c :-) riku #!/usr/bin/perl -w # $Id: ios7decrypt.pl,v 1.1 1998/01/11 21:31:12 mesrik Exp $ # # Credits for orginal code and description hobbitat_private, # SPHiXe, .mudge et al. and for John Bashinski <jbashat_private> # for Cisco IOS password encryption facts. # # Use for any malice or illegal purposes strictly prohibited! # @xlat = ( 0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f, 0x41, 0x2c, 0x2e, 0x69, 0x79, 0x65, 0x77, 0x72, 0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44, 0x48, 0x53 , 0x55, 0x42 ); while (<>) { if (/(password|md5)\s+7\s+([\da-f]+)/io) { if (!(length($2) & 1)) { $ep = $2; $dp = ""; ($s, $e) = ($2 =~ /^(..)(.+)/o); for ($i = 0; $i < length($e); $i+=2) { $dp .= sprintf "%c",hex(substr($e,$i,2))^$xlat[$s++]; } s/$ep/$dp/; } } print; } # eof -- [ This .signature intentionally left blank ]
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