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+ Telecom/Computer Security Bulletin +
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Welcome to the premier issue of TCSB. TCSB will be featuring
articles about various topics of interest to those who enjoy
Telecommunications and computer security as a hobby or profession.
While some of the information contained in these documents may be
considered confidential telco information, we at TCSB are not
publishing this bulletin for the purpose of revealing trade secrets
or any other implications of industrial espionage, etc., but rather
a source of information that we hope you enjoy as much as we enjoy
bringing it to you.
Also, there is no set time for the release of upcoming issues.
The bulletin is only published if there is a reasonable ammount of
worthwhile information to be released.
Reader submissions are also welcome; good luck getting in touch.
Since we don't call many bulletin boards, we are depending on the
reader to distribute the journals.
Doctor Cypher (Bellcore)
Necrovore (Xtension)
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Index:
There may be gold in that Silver Box (Doctor Cypher-Bellcore)
Primos CPL reference (Necrovore-Xtension)
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There may be gold in that Silver Box
Doctor Cypher
Little has been documented about the use of the silver box.
Many assume a silver box is just a set of Autovon keys, or more
advanced readers may be familiar with its use in conjunction with
the standard Directory Assistance ACD (Automated Call distributor
which distributes the calls to the individual Directory Assistance
operators) but in reality there are several applications to the
hidden row than meets the eye.
I will not explain the construction methods here, for they are
widely available on many Telecom-oriented Bulletin board systems,
but rather go into detail about using them.
The ACD and DA operators: The ACD can be reached through calling
------------------------ a directory assistance operator and
holding down the D key (941+1633 htz) while the operator answers
her console, the tone will trip the circut and drop you into the
ACD. One way to verify that you have tripped the circut is a
Stutter-tone, or pulsing dialtone. From this prompt, you can dial
up to 10 possible functions:
1 - Rings the Toll Text board - Useful if you dont have the
numbers on file.
2 - Sometimes dead circut, other times milliwatt test.
3 - Sometimes milliwatt, others 1000/1004 htz. tone.
4 - Usually dead circut
5 - Always dead circut
6 - Low end of loop - If your friend calls the ACD on the same
op. as you do, and dials 7, you are connected.
7 - High end of loop.
8 - 600 ohm termination
9 - Usually dead circut
0 - Usually dead circut
Notes: If you are having trouble with this method, try the 414
DA operator. It never fails, but the dialtons will sound more
like a busy signal than a dialtone.
No 'Codes'? Well, if your friend lives in the same state,
arrange to meet on the 800-555-1212 ACD (functions: 6,7.)
Autovon Tone Set: The silver box keys also appear on the standard
---------------- Autovon (the military phone network) keypad.
the functions are as follows:
A - Flash
B - Flash Override (Priority)
C - Priority Communication (dial)
D - Priority Override (used to reach busy numbers in extreme
emergencies. When the tone is hit, I believe a flag is
set as an emergency condition, and only for top military)
To use the autovon keys, scan for your local Milnet or Autovon port.
All numbers are 7 digits (for those of you who insist on trying this,
please take the proper security measures.)
Centegram hacking: Yes, your silver box can also be used for
----------------- hacking earlier versions of Centegram. While
hacking the system administrators box and entering an invalid
code, the system will attempt to log you off, but hit 'C' and
feast your ears on 'Welcome to the message center...' Another
use in Centegram hacking is when you are entering an auth. code,
it will recognize A, B, C, and D as valid digits for added
security.
(Speciall thanks goes out to Phiber Optik for the help with ACD
and Felix the Hack for the Centegram information)
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