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。
iY"l}.7) OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
5p.rwNE <1>与远程系统建立IPC连接
J+d1&Tw& <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
{ZY+L;eg1 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
g~(E>6Y <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
{43>m)8+ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
GFr|E8 <6>服务启动后,killsrv.exe运行,杀掉进程
Hx,0zS%> <7>清场
Xd^\@
嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
a5a($D /***********************************************************************
3U_2! zF3_ Module:Killsrv.c
Jgnhn>dHe Date:2001/4/27
?QE,;QtpK Author:ey4s
lz1wO5%h Http://www.ey4s.org t%F0:SH ***********************************************************************/
ZXm/A0)S #include
(}}S9 K #include
`ZC<W]WYX/ #include "function.c"
*/|BpakD< #define ServiceName "PSKILL"
YnLErJ ,}K<*t[I SERVICE_STATUS_HANDLE ssh;
B^g ?=|{ SERVICE_STATUS ss;
)7h$G-fe /////////////////////////////////////////////////////////////////////////
9K1oZ?)_z void ServiceStopped(void)
fW?o@vlO {
rtc9wu ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#8)*1? ss.dwCurrentState=SERVICE_STOPPED;
=:~R=/ZXk ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
M![J2= ss.dwWin32ExitCode=NO_ERROR;
CHz+814 ss.dwCheckPoint=0;
IIbYfPiO ss.dwWaitHint=0;
812$`5l SetServiceStatus(ssh,&ss);
/~3r;M return;
eH{[C* }
K5lmVF\$P /////////////////////////////////////////////////////////////////////////
cFJY^A void ServicePaused(void)
RsYU59_Y {
&Y }N|q- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
?!+MM&c-n ss.dwCurrentState=SERVICE_PAUSED;
<)3u6Vky9 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
EKO[ !, ss.dwWin32ExitCode=NO_ERROR;
*6VF
$/rP ss.dwCheckPoint=0;
"men ss.dwWaitHint=0;
>Z5gSs0 SetServiceStatus(ssh,&ss);
DP|D\+YyYA return;
4qk9NK2 U }
*6>.!& void ServiceRunning(void)
Om5Y|v"* {
,'u W*kx ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
t;}:waZD ss.dwCurrentState=SERVICE_RUNNING;
f.9SB
ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
7Ve1]) u ss.dwWin32ExitCode=NO_ERROR;
x U4 +|d ss.dwCheckPoint=0;
;<ZLcTL ss.dwWaitHint=0;
Rd#WMo2Xd SetServiceStatus(ssh,&ss);
e7sp =I, return;
@"^0%/2- }
4GX-ma, /////////////////////////////////////////////////////////////////////////
Kkm>e{0)AY void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
rp;b" q {
V)[@98T_4? switch(Opcode)
^y<<>Y'I {
V T\F]Oa# case SERVICE_CONTROL_STOP://停止Service
I+tb[*X+ ServiceStopped();
)% ~OH break;
]d!
UJ&<? case SERVICE_CONTROL_INTERROGATE:
;5659!; SetServiceStatus(ssh,&ss);
,)vDeU break;
&tg&5_ }
N/MUwx;P return;
E2Q[ZoVS }
xe^Gs]fm //////////////////////////////////////////////////////////////////////////////
J1C3&t}
//杀进程成功设置服务状态为SERVICE_STOPPED
hHV";bk //失败设置服务状态为SERVICE_PAUSED
2#c<\s|C //
^c9t'V`IWQ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
uM_wjP {
s~5[![1
K ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
BRgXr if(!ssh)
u>2
l7PA| {
wk5s)%V ServicePaused();
Brf5dT49 return;
~a ]+#D }
^")Q YE ServiceRunning();
LG9+y Sleep(100);
[YlKR'_ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
t gI{`jS% //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
l`#4KCL( if(KillPS(atoi(lpszArgv[5])))
Vl&?U ServiceStopped();
Rh_np else
<G|(|E1 ServicePaused();
'>-gi}z7 return;
-?V-*jI }
)u[emv$ /////////////////////////////////////////////////////////////////////////////
=8AO: void main(DWORD dwArgc,LPTSTR *lpszArgv)
$w2u3- {
5z7U1: SERVICE_TABLE_ENTRY ste[2];
C~2F9Pg ste[0].lpServiceName=ServiceName;
Oo5w?+t ste[0].lpServiceProc=ServiceMain;
7z JRJ*NB ste[1].lpServiceName=NULL;
pwL;A3$| ste[1].lpServiceProc=NULL;
d3ZdB4L StartServiceCtrlDispatcher(ste);
ON=@O return;
K|zZS%?$ }
[j=yMP38!: /////////////////////////////////////////////////////////////////////////////
}wr{W:j 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
#`CA8!j!! 下:
<D<4BnZ( /***********************************************************************
Pg,b-W?n* Module:function.c
Wbr|_W Date:2001/4/28
xS4w5i2 Author:ey4s
v$7QIl_/7 Http://www.ey4s.org [^Os kJ4 ***********************************************************************/
Dz>^IMsY #include
l? Udn0F ////////////////////////////////////////////////////////////////////////////
uki#/GzaO BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
[$0p+1 {
+b0eE) TOKEN_PRIVILEGES tp;
\?[v{WP) LUID luid;
{ C=NUK%? y"bByd|6 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
t<#mP@Mz=N {
#hfXZVD printf("\nLookupPrivilegeValue error:%d", GetLastError() );
PF)jdcX return FALSE;
"c3Grfoz }
be]bZ
1f tp.PrivilegeCount = 1;
@L<*9sLWh tp.Privileges[0].Luid = luid;
{MtpkUN if (bEnablePrivilege)
U`R5'Tf; tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1"zDin!A else
s)noo tp.Privileges[0].Attributes = 0;
")O%86_Q: // Enable the privilege or disable all privileges.
G`SUxhC k AdjustTokenPrivileges(
i6dHrx]:, hToken,
!\nBh FALSE,
D>/0v8
&tp,
H$=e
-L`@ sizeof(TOKEN_PRIVILEGES),
)Xk0VDNp$/ (PTOKEN_PRIVILEGES) NULL,
qaiNz S@q (PDWORD) NULL);
Rp.Sj{<2 // Call GetLastError to determine whether the function succeeded.
mg^I=kpk if (GetLastError() != ERROR_SUCCESS)
UtPLI al {
HJLu'KY} printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
+o\:d1y return FALSE;
<;vbsksZeH }
/1"(cQ%? return TRUE;
En~5"yW5>] }
10)jsA ////////////////////////////////////////////////////////////////////////////
+c(zo4nZ BOOL KillPS(DWORD id)
YLqGRE`W {
l)G^cSHF.3 HANDLE hProcess=NULL,hProcessToken=NULL;
AqWUwK9T BOOL IsKilled=FALSE,bRet=FALSE;
+]*zlE\N` __try
.<jr0,i {
OVm\ $;1#To if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
'qZW,],5 {
"fG8?)d; printf("\nOpen Current Process Token failed:%d",GetLastError());
-e_hrCW&9 __leave;
8J:}%DaxL }
QqFR\6 //printf("\nOpen Current Process Token ok!");
z_F-T=_ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
(KFCs^x7wG {
gRCdY8GH __leave;
.X@FXx& }
n"c)m%yZ printf("\nSetPrivilege ok!");
< vL,*.zd `P@T$bC if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
9KDEM gCW {
=y
[M\m printf("\nOpen Process %d failed:%d",id,GetLastError());
SG6kud\b __leave;
5]NqRI^0 }
s8ywKTR- //printf("\nOpen Process %d ok!",id);
W}m)cn3@ if(!TerminateProcess(hProcess,1))
Yk)."r&