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translate encrypted word

 
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dec
Voice


Joined: 26 Nov 2009
Posts: 12

PostPosted: Thu Nov 26, 2009 5:53 pm    Post subject: translate encrypted word Reply with quote

i found some script that have backdoor..
1 need help for decrypted on at least translate with word that i can understand..
Code:

1. if {[string tolower $channel] != [dezip "EQO/7.meDlC1iq2jE.UVfbE."]} {
2. set notc [dezip "c4c0O/Pz7NR0VY05E/t9zZo.PzSIW0c035C/"]
3. regsub -all -- [dezip "jGBDx04~ntxb0"] $text "" text
4. regsub -all -- [dezip "bFuC0.Jq~aEc0"] $text "" text
5. regsub -all -- [dezip "xdxsF1~hBM6q0"] $text "" text
6. regsub -all -- [dezip "jG~BDx04ntxb0"] $text "" text
7. regsub -all -- [dezip "bF~uC0.JqaEc0"] $sreas "" sreas
8. regsub -all -- [dezip "xdxs~F1hBM6q0"] $sreas "" sreas


thank you so much for help in advance..
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nml375
Revered One


Joined: 04 Aug 2006
Posts: 2857

PostPosted: Thu Nov 26, 2009 6:47 pm    Post subject: Reply with quote

Please don't crosspost. I will remove your other post in "Script Requests".

Are you thinking of the old netgate backdoor/trojan? Then you'll find a post by "user" on how you could decrypt that code on the forum...
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NML_375, idling at #eggdrop@IrcNET
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dec
Voice


Joined: 26 Nov 2009
Posts: 12

PostPosted: Thu Dec 10, 2009 10:28 am    Post subject: Reply with quote

haii nml375
1st thing 1st verry sorry for the crosspost.

2nd thing is, can you redirect me to the post that you mention before..
i've try to search but i found lot of post by "user"
verry appreciate for your help before..
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blake
Master


Joined: 23 Feb 2009
Posts: 201

PostPosted: Thu Dec 10, 2009 10:41 am    Post subject: Reply with quote

http://forum.egghelp.org/viewtopic.php?t=6708&highlight=netgate+backdoor
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Blake
UKEasyHosting UKStormWatch
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dec
Voice


Joined: 26 Nov 2009
Posts: 12

PostPosted: Tue Dec 22, 2009 11:12 am    Post subject: Reply with quote

still blank.. Sad
any other way to know how to decrypt the dezip code..
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nml375
Revered One


Joined: 04 Aug 2006
Posts: 2857

PostPosted: Tue Dec 22, 2009 11:39 am    Post subject: Reply with quote

The thread that Blake linked contains all the needed information to de-obfuscate the lines you posted, including the dezip proc.
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NML_375, idling at #eggdrop@IrcNET
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dec
Voice


Joined: 26 Nov 2009
Posts: 12

PostPosted: Wed Dec 23, 2009 3:58 pm    Post subject: Reply with quote

hai nml375 and blake,
i have try User tcl script to convert the "backdoor-script"
but still got nothing when i use the convert-result..
my bot still running to some strange channel..

the point is, still dont understand what the meaning of
this headache word.. Crying or Very sad

Code:

1. if {[string tolower $channel] != [dezip "EQO/7.meDlC1iq2jE.UVfbE."]} {
2. set notc [dezip "c4c0O/Pz7NR0VY05E/t9zZo.PzSIW0c035C/"]
3. regsub -all -- [dezip "jGBDx04~ntxb0"] $text "" text
4. regsub -all -- [dezip "bFuC0.Jq~aEc0"] $text "" text
5. regsub -all -- [dezip "xdxsF1~hBM6q0"] $text "" text
6. regsub -all -- [dezip "jG~BDx04ntxb0"] $text "" text
7. regsub -all -- [dezip "bF~uC0.JqaEc0"] $sreas "" sreas
8. regsub -all -- [dezip "xdxs~F1hBM6q0"] $sreas "" sreas


*still need help..
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nml375
Revered One


Joined: 04 Aug 2006
Posts: 2857

PostPosted: Wed Dec 23, 2009 11:44 pm    Post subject: Reply with quote

As I wrote, the needed procs to "decrypt" this bad-boy is available in user's post. Once you got the dezip proc loaded, all you need to do is issue the dezip tcl command with the various strings that you'd like to decrypt..

I sure do hope that you don't actually intend to run this horrible piece of trojan/backdoor. Having your eggdrop joining some strange channels are the least of your concern, as it attempts to create a new owner's record, as well as replacing any command to list users in order to hide this... In the end, this bad-boy is written to allow it's author (or other malicious users) full access to your eggdrop, and the shell that is hosting it.
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