home *** CD-ROM | disk | FTP | other *** search
- #!/usr/bin/perl -w
- # $Id: ios7decrypt.pl,v 1.1.1.1 2005/02/12 19:46:14 loni Exp $
- #
- # Credits for orginal code and description hobbit@avian.org,
- # SPHiXe, .mudge et al. and for John Bashinski <jbash@CISCO.COM>
- # 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[$s++];
- }
- s/7\s+$ep/$dp/;
- }
- }
- print;
- }
-