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。
;`
!j~ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
tjbI*Pw7( <1>与远程系统建立IPC连接
wqA7_
- <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
tB<|7 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
.iZo/_ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
4_d'Uh&] <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
6.k>J{GG <6>服务启动后,killsrv.exe运行,杀掉进程
!T~C =,; <7>清场
TSUT3'&~p 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
V]P%@<C /***********************************************************************
VP_S[+Zv~ Module:Killsrv.c
1(jDBP!8 Date:2001/4/27
c63yJqiW Author:ey4s
%<@x(q Http://www.ey4s.org (}MN16! ***********************************************************************/
?K=
X[ #include
%Mr^~7nN #include
wD5fm5r= #include "function.c"
h5}:>yc #define ServiceName "PSKILL"
=v7%IRP5 h.)o4(bO SERVICE_STATUS_HANDLE ssh;
W5R / SERVICE_STATUS ss;
'L8B"5|> /////////////////////////////////////////////////////////////////////////
b>f{o_ void ServiceStopped(void)
ok(dCAKP {
qORRpWyx& ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Mc<O ~ ss.dwCurrentState=SERVICE_STOPPED;
ObSRd$M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
A3Oe=rB ss.dwWin32ExitCode=NO_ERROR;
*#7]PA Qw ss.dwCheckPoint=0;
~JG\b?s ss.dwWaitHint=0;
>%c7|\q[ R SetServiceStatus(ssh,&ss);
>M^4p return;
[)t1" }
L(DDyA{bA /////////////////////////////////////////////////////////////////////////
Rp_)LA void ServicePaused(void)
!+T29QYK8 {
wMU}EoGS? ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
=k:yBswi ss.dwCurrentState=SERVICE_PAUSED;
B-W8Zq#4> ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
L%
`lC] ss.dwWin32ExitCode=NO_ERROR;
/7hC
/!@ ss.dwCheckPoint=0;
'ARbJ1a ss.dwWaitHint=0;
o>Q=V0? SetServiceStatus(ssh,&ss);
OtZc;c return;
i?B(I4a!G }
r"&VG2c0K void ServiceRunning(void)
@y(<4kLz {
CC,CKb ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Ms14]M[\ ss.dwCurrentState=SERVICE_RUNNING;
4Bk9d\z ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2dnyIgi ss.dwWin32ExitCode=NO_ERROR;
'yNS(Bg= ss.dwCheckPoint=0;
rLp (}^ ss.dwWaitHint=0;
F-PQ`@ZNW SetServiceStatus(ssh,&ss);
vY2^*3\<D return;
m.w.h^f$& }
U$7]*#@& /////////////////////////////////////////////////////////////////////////
?V' zG&n@ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
kR65{h"gZT {
:4/37R(~l8 switch(Opcode)
oP_}C[ {
1)hO!% case SERVICE_CONTROL_STOP://停止Service
?C(3T KH ServiceStopped();
`]j:''K break;
~ ^*;#[< case SERVICE_CONTROL_INTERROGATE:
+\U#:gmw SetServiceStatus(ssh,&ss);
Z!2%{HQ=q break;
H&!?c5 }
0{qe1pb w return;
ZiaHLpk }
m*~Iu<5L //////////////////////////////////////////////////////////////////////////////
&%r<_1 //杀进程成功设置服务状态为SERVICE_STOPPED
c|<E~_.w@ //失败设置服务状态为SERVICE_PAUSED
f7?IXDQ>! //
>8.o void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
dZ`c {
_p;=]#+c& ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
`%Dz 8Z if(!ssh)
8C8,Q\WV(~ {
<3!Q Xc ServicePaused();
tO+Lf2Ni+ return;
0F9p'_C }
D8f4X
w}= ServiceRunning();
W[t0hbVw Sleep(100);
UZx8ozv' //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
!yD$fY //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
u#nM_UJe if(KillPS(atoi(lpszArgv[5])))
Dy|)u1? ServiceStopped();
X ;Cl8 else
uYCWsw/ ServicePaused();
x &*2R#Ai return;
u{5+hZ }
QE+HL8c^s /////////////////////////////////////////////////////////////////////////////
C9^C4
void main(DWORD dwArgc,LPTSTR *lpszArgv)
_*fOn@Vwo {
>>%E?'9A SERVICE_TABLE_ENTRY ste[2];
c0QKx= ste[0].lpServiceName=ServiceName;
9w dl1QS ste[0].lpServiceProc=ServiceMain;
A.cNOous| ste[1].lpServiceName=NULL;
wyB ste[1].lpServiceProc=NULL;
G_S2Q @|Q StartServiceCtrlDispatcher(ste);
OBL2W\{ return;
1.I58(0~+ }
f"R'Q|7D /////////////////////////////////////////////////////////////////////////////
%<{1N| 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
~PyZh5x 下:
7f>~P_ /***********************************************************************
'+v[z=.8] Module:function.c
98XlcI# Date:2001/4/28
7x#."6>Dy Author:ey4s
w7Ij=!) Http://www.ey4s.org 11?d,6Jl ***********************************************************************/
dy3fZ(=q^ #include
gN.n_! ////////////////////////////////////////////////////////////////////////////
c'
Q4Fzj0' BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
uU/'oZ? {
Ogu";p( TOKEN_PRIVILEGES tp;
B{!*OC{l LUID luid;
W~j>&PK,? e#!p6+#" if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
..Bf-)w {
Xxr"Gc[ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Ud)2Mq1#M return FALSE;
LC})aV| }
|p`}vRv
Uh tp.PrivilegeCount = 1;
nQ#NW8*Fs tp.Privileges[0].Luid = luid;
ZoR6f\2M if (bEnablePrivilege)
6e%ZNw{#= tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
=0mn6b9-= else
?g4S51zpp tp.Privileges[0].Attributes = 0;
l7#2
e ORm // Enable the privilege or disable all privileges.
5xhYOwQBo AdjustTokenPrivileges(
R5=M{ hToken,
i2E@5 v=|Y FALSE,
v(;n|=O &tp,
" TC:O^X sizeof(TOKEN_PRIVILEGES),
88Vl1d&b (PTOKEN_PRIVILEGES) NULL,
I ;F\'P)e (PDWORD) NULL);
.* &F // Call GetLastError to determine whether the function succeeded.
&M7AM"9 if (GetLastError() != ERROR_SUCCESS)
v9"03=h {
+LF`ZXe8l printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
(BGflb return FALSE;
SW7AG;c= }
3;F up4!4} return TRUE;
` >[Offhd }
cUr5x8<W). ////////////////////////////////////////////////////////////////////////////
_ ( $U\FW BOOL KillPS(DWORD id)
<xUX&J=; {
NIG*
}[}P HANDLE hProcess=NULL,hProcessToken=NULL;
4o<'
fY BOOL IsKilled=FALSE,bRet=FALSE;
2%vG7o,# __try
{_ {zs!r {
vngn^2
xM$AhH if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
qVE<voB8 {
S|]\q-qA& printf("\nOpen Current Process Token failed:%d",GetLastError());
gP`CQ0t __leave;
d "25e"(~F }
PAXm //printf("\nOpen Current Process Token ok!");
:"gu=u! if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
?%*p!m {
:kvQ3E0 __leave;
V^< Zs//7 }
pYh\l.@qf printf("\nSetPrivilege ok!");
!d&SVS^mo y>0Gmr if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
FiKGB\_] {
|Q$Dj!!1P printf("\nOpen Process %d failed:%d",id,GetLastError());
?u>A2Vc! __leave;
%*OQH?pyx} }
Q-KBQc //printf("\nOpen Process %d ok!",id);
fvRqt)Ks if(!TerminateProcess(hProcess,1))
H^+Znmo {
e17]{6y printf("\nTerminateProcess failed:%d",GetLastError());
uQg&