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。
5MKM;6cA&p OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
r>TOJVT&] <1>与远程系统建立IPC连接
uOy/c 8` <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
+"bi]^\z <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
5??}9 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
\Q1&w2mw <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
'}B"071)< <6>服务启动后,killsrv.exe运行,杀掉进程
?%Tx%
dB <7>清场
yFQaNuZPC 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
"5O>egt /***********************************************************************
!E_|Zp]up Module:Killsrv.c
\~(kGE--+ Date:2001/4/27
vw(ecs^C Author:ey4s
#7}M\\$M Http://www.ey4s.org !MOsP<2 ***********************************************************************/
3 H5 #include
o?t H[ #include
+PI}$c-|` #include "function.c"
EzjK{v"> #define ServiceName "PSKILL"
_>kc: %"fO^KA.h] SERVICE_STATUS_HANDLE ssh;
"::2]3e SERVICE_STATUS ss;
W6i9mER- /////////////////////////////////////////////////////////////////////////
F kf4R5Y? void ServiceStopped(void)
; '
vkF {
ID!S}D ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
vM5/KrW ss.dwCurrentState=SERVICE_STOPPED;
"VSx?74q ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
S-Vj$asv! ss.dwWin32ExitCode=NO_ERROR;
{=mGXd`x?l ss.dwCheckPoint=0;
QRBx}!:NZ# ss.dwWaitHint=0;
<OKc?[ SetServiceStatus(ssh,&ss);
g52)/HM return;
a%si:_ }
~9vK6;0 /////////////////////////////////////////////////////////////////////////
/V/NL#(R void ServicePaused(void)
r<!nU&FPD: {
>dm9YfQ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
w4\
3* ss.dwCurrentState=SERVICE_PAUSED;
.udLMS/_ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
DwGM+)! ss.dwWin32ExitCode=NO_ERROR;
S2*sh2-&6 ss.dwCheckPoint=0;
(B\
UZb ss.dwWaitHint=0;
'b}RFzEn SetServiceStatus(ssh,&ss);
1v`|mU}i, return;
3.BUWMD }
5 D^#6h 4 void ServiceRunning(void)
A-=hvJ5T {
qAH^BrJ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
GU2TQx{V ss.dwCurrentState=SERVICE_RUNNING;
~Hub\kn ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
9cP{u$ ss.dwWin32ExitCode=NO_ERROR;
q@[F|EF= ss.dwCheckPoint=0;
6?<lS.s ss.dwWaitHint=0;
*#Ia8^z=p SetServiceStatus(ssh,&ss);
0{bl^#$f return;
?yq=c }
ut560,h~ /////////////////////////////////////////////////////////////////////////
.qZz'Eq[ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
kG!hqj {
Qr~!YPK\ switch(Opcode)
[(#)9/3, {
59l9_yFJ case SERVICE_CONTROL_STOP://停止Service
`Tyd1!~ ServiceStopped();
|a#ikY _nd break;
{._'Q[ case SERVICE_CONTROL_INTERROGATE:
Ru*gbv,U SetServiceStatus(ssh,&ss);
W5`p Qdk break;
"ckK{kS4~ }
aaY AS"/: return;
r.#r!.6 q }
!Ea! "} //////////////////////////////////////////////////////////////////////////////
Tt~[hC
h //杀进程成功设置服务状态为SERVICE_STOPPED
dB4ifeT] //失败设置服务状态为SERVICE_PAUSED
zM&ro,W //
+)q ,4+K%} void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
i]k)wr( {
O H2IO ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
aXVldt' if(!ssh)
/K&9c
!]$C {
{q8|/{; ServicePaused();
eu$VKLY* return;
0/f|ZH ~! }
-%fj-Y7y ServiceRunning();
0O`Rh"O Sleep(100);
q5e(~@(z<` //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Fh)xm* u( //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
PA,aYg0f if(KillPS(atoi(lpszArgv[5])))
#`|Nm3b ServiceStopped();
UG`~RO else
v;
#y^O
ServicePaused();
|Vz)!M return;
Ep./->fOA }
k0V]<#h87 /////////////////////////////////////////////////////////////////////////////
"]]LQb$ void main(DWORD dwArgc,LPTSTR *lpszArgv)
C;JW\J~W {
7!jb SERVICE_TABLE_ENTRY ste[2];
oz=ULPZ%
ste[0].lpServiceName=ServiceName;
us|Hb ste[0].lpServiceProc=ServiceMain;
PsNrCe%e ste[1].lpServiceName=NULL;
\a;xJzc9 ste[1].lpServiceProc=NULL;
i3|xdYe$ StartServiceCtrlDispatcher(ste);
+0%r@hTv&> return;
6?M/71 }
}1 qQ7}v /////////////////////////////////////////////////////////////////////////////
uNuFD|aQ. 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
l]zQSXip 下:
E%v0@ /***********************************************************************
!zOj`lx Module:function.c
D^%IFwU^ Date:2001/4/28
%zGv+H? Author:ey4s
\w1XOm [) Http://www.ey4s.org xP_%d, ***********************************************************************/
)Hin{~h #include
|T"vF`Kr(> ////////////////////////////////////////////////////////////////////////////
d]sqj\Q57 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
aeN #<M&$< {
!6X6_ +}M TOKEN_PRIVILEGES tp;
=Y|( }92 LUID luid;
F68eI%Y PA
ZjA0d if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
$ dI
mA {
084Us
s printf("\nLookupPrivilegeValue error:%d", GetLastError() );
H0"'jd return FALSE;
/Lr`Aka5 }
3\P*"65 tp.PrivilegeCount = 1;
aG;F=e tp.Privileges[0].Luid = luid;
b3>zdS]Q if (bEnablePrivilege)
ZHZxr tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
MQw}R7 else
zT)cg$8%fY tp.Privileges[0].Attributes = 0;
^ICSh8C // Enable the privilege or disable all privileges.
g9^\QYh! AdjustTokenPrivileges(
y{3+Un hToken,
/# Jvt FALSE,
7NT}
Zwf &tp,
I>nYI|o1 sizeof(TOKEN_PRIVILEGES),
&'k(v(>n, (PTOKEN_PRIVILEGES) NULL,
ly34aD/p~, (PDWORD) NULL);
1o\2\B=k{ // Call GetLastError to determine whether the function succeeded.
z6J12tu if (GetLastError() != ERROR_SUCCESS)
*V:U\G {
4t =Kt printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
6|q"lS*$S return FALSE;
^GM3nx$ }
55.2UN return TRUE;
YC 4c-M }
\H>T[ ////////////////////////////////////////////////////////////////////////////
_I; hM BOOL KillPS(DWORD id)
Ww8U{f {
#FAW@6QG HANDLE hProcess=NULL,hProcessToken=NULL;
U}X'RCM BOOL IsKilled=FALSE,bRet=FALSE;
U3B&3K} ~ __try
<7ANXHuSW {
^kcuRJ0*$ d_$0 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
k0I$x:c {
~.^:?yCA printf("\nOpen Current Process Token failed:%d",GetLastError());
'q;MhnU+ __leave;
\6a' p
Q, }
~ u1~% //printf("\nOpen Current Process Token ok!");
BTr;F]W if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
DI;LhS*z {
r0k:RJP __leave;
R?lTB3" }
D+0il=5 printf("\nSetPrivilege ok!");
Rh6CV )Rbt0 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
sV5k@1Y {
9HN&M*} printf("\nOpen Process %d failed:%d",id,GetLastError());
9(HGe+R4o __leave;
K'8?%&IQ }
AX{<d@z`j //printf("\nOpen Process %d ok!",id);
l<=k#d if(!TerminateProcess(hProcess,1))
7\$}|b[9 {
*wqR .n? printf("\nTerminateProcess failed:%d",GetLastError());
!p\
@1? __leave;
R=Lkf }
n3V$Xtxw IsKilled=TRUE;
R$}Hv }
<<qzZ+u __finally
]S?G]/k} {
z<