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cisco vpnclient password decoder

Please do not abuse this service. Your vpn-admin should tell you the group-password!

Cisco Security Notice: Cisco IPsec VPN Implementation Group Password Usage Vulnerability

Encrypted (Group) Password: 
This script now uses cisco-decrypt.c to decode passwords. Thanks to for decoding and posting the algorithm!

This script used to do "ltrace -i ./vpnclient connect ... 2>&1 | fgrep 805ac57" to decode passwords. (client: vpnclient-linux-4.0.3.B-k9).

enc: AA81A375E80BD120B722CA140A9E28B56E9697F0DECF96459CCB05B8FEE0B0370DCCC504C2A06F72DBED28E8D2E2FCCCEFEB908287D56938
clear: Mapramec10