RE: [Full-Disclosure] (no subject)

From: Harshul Nayak (ealcatraz) (harshulat_private)
Date: Tue Aug 05 2003 - 02:55:25 PDT

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The c program is not an exploit code. It's a malicious code.

For x86 architechture:

#include<stdio.h>
main()
{
asm("jmp .");
}

The following is the disassembly of the above code:

Dump of assembler code for function main:
0x8048430 <main>: push   %ebp
0x8048431 <main+1>: mov    %esp,%ebp
0x8048433 <main+3>: jmp    0x8048433 <main+3>
0x8048435 <main+5>: pop    %ebp
0x8048436 <main+6>: ret
0x8048437 <main+7>: nop
0x8048438 <main+8>: nop
0x8048439 <main+9>: nop
0x804843a <main+10>: nop
0x804843b <main+11>: nop
0x804843c <main+12>: nop
0x804843d <main+13>: nop
0x804843e <main+14>: nop
0x804843f <main+15>: nop
End of assembler dump.


0x8048433 <main+3>: jmp    0x8048433 <main+3>
The jmp instruction jumps to its own address, so the process will never end.

(ezhilan)
Copyright © 2002 Sintelli
http://www.sintelli.com

-----Original Message-----
From: full-disclosure-adminat_private
[mailto:full-disclosure-adminat_private]On Behalf Of Rego
Security
Sent: Sunday, August 03, 2003 10:29 PM
To: bugtraqat_private
Cc: security-basicsat_private; incidentsat_private;
submissionsat_private; full-disclosureat_private
Subject: [Full-Disclosure] (no subject)


----------------------------[ REGO
SECURITY ]---------------------------------


Affected systems: Linux (all versions)
Vunerability type: DoS

This vunerability may lead to a system being unstable and lacking of fucking
performance. (no shit!)

"If you want to fuck go fuck a whore"

sit and fuck
& .!.

Thanks,
    Rego Security @ your service


Included is 7350marsapio.c
Compile with gcc -o 7350marsapio 7350marsapio.c
(yeah kiddies we know who you are)

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