杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
RaX:&PE OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
HW"';M% <1>与远程系统建立IPC连接
&3_S+.JO <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
^! r<-J
<3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Z~s"=kF, <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
W "}Cfv <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
A4|L;z/A[h <6>服务启动后,killsrv.exe运行,杀掉进程
H[;\[3 <7>清场
DV6B_A{kI 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
v
?OIK=Xm /***********************************************************************
p10i_<J]= Module:Killsrv.c
aj\
zc I Date:2001/4/27
Wh7}G Author:ey4s
Y}aaW[ Http://www.ey4s.org &4
~C%{H3 ***********************************************************************/
`#Yv(a2TY #include
V=+wsc #include
k%-S7iQ #include "function.c"
)e|n7|} $ #define ServiceName "PSKILL"
w~lxWgaY7 aR@s.
ll SERVICE_STATUS_HANDLE ssh;
o;^k"bo6 SERVICE_STATUS ss;
wq6.:8Or-] /////////////////////////////////////////////////////////////////////////
[<!4 a void ServiceStopped(void)
XW2{I.:in> {
Dau'VtzN ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Bq# l8u ss.dwCurrentState=SERVICE_STOPPED;
exfJm'R?n ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)r +o51gp ss.dwWin32ExitCode=NO_ERROR;
q'zV9 ss.dwCheckPoint=0;
/bBFPrW ss.dwWaitHint=0;
tAxS1<T4 SetServiceStatus(ssh,&ss);
TM?RH{(r return;
F8T.}qI }
4^>FN"Ve`B /////////////////////////////////////////////////////////////////////////
7c7:B2Lq void ServicePaused(void)
!#' y# {
IFd2r;W8 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
F2bAo 6~R ss.dwCurrentState=SERVICE_PAUSED;
'{I YANVT ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
5m(V(@a3 ss.dwWin32ExitCode=NO_ERROR;
)V6<'>1WZ ss.dwCheckPoint=0;
#1#?k ss.dwWaitHint=0;
p> #QFd"m SetServiceStatus(ssh,&ss);
S @WzvM return;
x_eR/B> }
0.4Q-?J void ServiceRunning(void)
]
1:pnd {
tXu_o6] ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
-sqoE*K[8 ss.dwCurrentState=SERVICE_RUNNING;
UwQyAD]Ht ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
jykY8;4 ss.dwWin32ExitCode=NO_ERROR;
8t$w/#'@ ss.dwCheckPoint=0;
qE W3k), ss.dwWaitHint=0;
:~gG]|F SetServiceStatus(ssh,&ss);
E5EAk6 return;
q n2X._` }
^CtA@4 /////////////////////////////////////////////////////////////////////////
6%8,OOS void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
`&rt>Bk / {
gb,X"ODq switch(Opcode)
g5,Bj {
DFUW^0N case SERVICE_CONTROL_STOP://停止Service
qyl9#C(a ServiceStopped();
/"LcW"2;N break;
d0"Xlleld case SERVICE_CONTROL_INTERROGATE:
v?
VNWK2 SetServiceStatus(ssh,&ss);
'*XX|\. break;
g,,'Pdd7Pn }
{;0+N -U return;
? 016 }
N %K%0o- //////////////////////////////////////////////////////////////////////////////
?--EIA8mfp //杀进程成功设置服务状态为SERVICE_STOPPED
nsM :\t+
p //失败设置服务状态为SERVICE_PAUSED
{WYHT6Z //
z:+fiJB_ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
gWZzOH* {
Ce%fz~*b ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
4a6WQVS if(!ssh)
0Ia8x?80V {
X$4MpXx ServicePaused();
PRyZ; @ return;
&!=[.1H< }
='"hB~[ ServiceRunning();
hDsSOpj Sleep(100);
qx+ .v2G //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
,^#{k!uaC{ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
74u_YA<" if(KillPS(atoi(lpszArgv[5])))
t R(Nko ServiceStopped();
@9X+ BdQU else
'U8% ! ServicePaused();
o7A+O%dX return;
F4xXJ"vc }
^o@N.+`&< /////////////////////////////////////////////////////////////////////////////
u#&ZD| void main(DWORD dwArgc,LPTSTR *lpszArgv)
=,4iMENm! {
X":T>)J- SERVICE_TABLE_ENTRY ste[2];
I6B`G Im5 ste[0].lpServiceName=ServiceName;
8U$(9X ste[0].lpServiceProc=ServiceMain;
=8!FY"c* ste[1].lpServiceName=NULL;
+YA,HhX9 ste[1].lpServiceProc=NULL;
zP(UaSXz/ StartServiceCtrlDispatcher(ste);
d2!A32m return;
v.~uJ.T }
j$u=7Z&E /////////////////////////////////////////////////////////////////////////////
[G=+f6 a function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
^jiYcg@_[ 下:
E#L"*vh /***********************************************************************
$ZEwz;HNo Module:function.c
:w+2L4lGs Date:2001/4/28
]LE Author:ey4s
h jCkj(b Http://www.ey4s.org 3tZC&!x? ***********************************************************************/
\ O#6H5F #include
#F~^m ////////////////////////////////////////////////////////////////////////////
~g_]Sskf7 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
&~SPDiu.t {
!9/1_Bjv TOKEN_PRIVILEGES tp;
\j$q';9p LUID luid;
<PayP3E 2VgDM6h if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
d>f.p"B.gj {
0kp#+&)+ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Q-qM"8I return FALSE;
P t)Ni }
8>KBh)q tp.PrivilegeCount = 1;
"yo~;[ tp.Privileges[0].Luid = luid;
(r ]3tGp if (bEnablePrivilege)
H}[kit*9 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
:nPLQqXGQ else
pg4J)<t# tp.Privileges[0].Attributes = 0;
X^!1MpEQ // Enable the privilege or disable all privileges.
{#]vvO2~$ AdjustTokenPrivileges(
,8vqzI hToken,
pFZ2(b& FALSE,
H1bPNt63 &tp,
@0mR_\u\ sizeof(TOKEN_PRIVILEGES),
c2aW4TX2 (PTOKEN_PRIVILEGES) NULL,
.-[d6Pnw (PDWORD) NULL);
ha%3%O8Z // Call GetLastError to determine whether the function succeeded.
mK>c+ u) if (GetLastError() != ERROR_SUCCESS)
_?+gfi+ {
4 )U,A~! printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
0bt"U=x4 return FALSE;
Y\sSW0ZX }
Z^ e?V7q return TRUE;
%v_w"2x; }
!&ly :v! ////////////////////////////////////////////////////////////////////////////
= DT7]fU BOOL KillPS(DWORD id)
+$b_,s {
wP <) HANDLE hProcess=NULL,hProcessToken=NULL;
]0+5@c BOOL IsKilled=FALSE,bRet=FALSE;
x<S?" __try
5dPPm%U{ {
uzA_Zjx )l|/lj if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Ca?:x tt {
Pl>S1 printf("\nOpen Current Process Token failed:%d",GetLastError());
t5qNfiKC __leave;
VEuT!^0Z }
6]/LrM, 23 //printf("\nOpen Current Process Token ok!");
h
dw~AGO# if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
>H*?ktcW {
F_?aoP&5 __leave;
@
z{E }
PS13h_j printf("\nSetPrivilege ok!");
Buue][[ ];vEj*jCX if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
c5 ($*tTT {
has \W\( printf("\nOpen Process %d failed:%d",id,GetLastError());
^F*G __leave;
{} #W~1` }
+].Zs<