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。
f0^s*V+ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Ot,sMRk' <1>与远程系统建立IPC连接
&[s^`e <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
>?tcL * <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
6%yr>BFtVV <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
p 3_Q <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
n"MFC <6>服务启动后,killsrv.exe运行,杀掉进程
}'Z(J)Bg <7>清场
z_Qw's 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
|H@M- /***********************************************************************
~XZ1,2jA/ Module:Killsrv.c
~ R* 6w($ Date:2001/4/27
TY8 8PXW Author:ey4s
\Xkx`C Http://www.ey4s.org i3Ffk+ |b ***********************************************************************/
l"cO@.T3 #include
\dfq&oyU\ #include
=a {Z7W
#include "function.c"
}`h}h<B( #define ServiceName "PSKILL"
gB0)ec 0 :#gz)r SERVICE_STATUS_HANDLE ssh;
O Ov"h\, SERVICE_STATUS ss;
\]r{73C /////////////////////////////////////////////////////////////////////////
|MBnRR void ServiceStopped(void)
(Hn,}(3S {
h{h=',o1 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
60p1.;'/a ss.dwCurrentState=SERVICE_STOPPED;
c~tkY!c ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2'x_zMV ss.dwWin32ExitCode=NO_ERROR;
P, Vq/Tt ss.dwCheckPoint=0;
j$L<9(DoR ss.dwWaitHint=0;
xw=B4u'z SetServiceStatus(ssh,&ss);
A2+t`[w return;
d?S<h`{x }
jV7q)\uu^ /////////////////////////////////////////////////////////////////////////
r[?rwc^ void ServicePaused(void)
%`}Qkb/Lyh {
wIY#TBu ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
!W3Le$aL ss.dwCurrentState=SERVICE_PAUSED;
-bj1y2)n ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
fqr}tvMr=T ss.dwWin32ExitCode=NO_ERROR;
cw^FOV*
ss.dwCheckPoint=0;
0<s)xaN>Y ss.dwWaitHint=0;
[t6)M~&e:_ SetServiceStatus(ssh,&ss);
wo_FM
`@ return;
n;q7?KW8 }
o%|1D'f^ void ServiceRunning(void)
K]7@%cS {
|C(72t?K ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
k(7!W ss.dwCurrentState=SERVICE_RUNNING;
gF%ad=xm ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Q!Op^4Jz ss.dwWin32ExitCode=NO_ERROR;
9YvMJ ss.dwCheckPoint=0;
leD?yyjw7 ss.dwWaitHint=0;
Bf-&[ 5N} SetServiceStatus(ssh,&ss);
ct]5\g?U' return;
Y] n^(V }
4+W}TKw /////////////////////////////////////////////////////////////////////////
V3`*LU void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Onc!5L {
G!Uq#l> switch(Opcode)
s/T5aJR {
Dnp^yqz* case SERVICE_CONTROL_STOP://停止Service
&R8zuD`# ServiceStopped();
OE[/sv break;
zO+nEsf^O case SERVICE_CONTROL_INTERROGATE:
m83i6"!H SetServiceStatus(ssh,&ss);
=_UPZ] break;
)0%<ZVB }
V3m!dp] return;
<e=0J8V8,i }
wWm#[f],? //////////////////////////////////////////////////////////////////////////////
vx
,yz+yP //杀进程成功设置服务状态为SERVICE_STOPPED
X;0EgIqh3 //失败设置服务状态为SERVICE_PAUSED
Tru`1/ 7I //
x/Ds`\ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Q7SS<'( {
2
Sr'B;`p ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
K crF=cA if(!ssh)
o/[NUQSI {
*U]f6Q<X ServicePaused();
'Wi*[ return;
xp39TiXJ* }
I%(+tJ ServiceRunning();
3oIoQj+D Sleep(100);
zMG4oRPP //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
"90}H0(+ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
r!zNcN(%cs if(KillPS(atoi(lpszArgv[5])))
.58AXg ServiceStopped();
FINM4<s) else
7'o?'He-.2 ServicePaused();
yrIT4y return;
Y# lE }
I#mT#xs6 /////////////////////////////////////////////////////////////////////////////
7 yi >G void main(DWORD dwArgc,LPTSTR *lpszArgv)
!sLn;1l {
6F<L4*4U
SERVICE_TABLE_ENTRY ste[2];
:._O.O ste[0].lpServiceName=ServiceName;
]xS< \{og ste[0].lpServiceProc=ServiceMain;
b&e?
6h^G ste[1].lpServiceName=NULL;
xA-G&oC]<T ste[1].lpServiceProc=NULL;
{:rU5 !n StartServiceCtrlDispatcher(ste);
)Q\;N C=4 return;
rLVAI#ci= }
~<$8i}7 /////////////////////////////////////////////////////////////////////////////
G)putk@
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
B]hZ4.B1 下:
'6aH*B:}*; /***********************************************************************
8^~ljf]6 Module:function.c
#._!.P Date:2001/4/28
ybB}|4d& Author:ey4s
WL7:22nSHa Http://www.ey4s.org Jne)?Gt ***********************************************************************/
[&39Yv.k,7 #include
`^6}Dn ////////////////////////////////////////////////////////////////////////////
p]>bN BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
g\^(>Ouc {
R<wb8iir TOKEN_PRIVILEGES tp;
57oY]NT? LUID luid;
a $KM
q> 0J_ x*k6 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
1'g?B` {
.N5"IY6> printf("\nLookupPrivilegeValue error:%d", GetLastError() );
w
S;(u[W return FALSE;
|{_%YM($ }
qD9B[s8 tp.PrivilegeCount = 1;
PC3wzJ\\S tp.Privileges[0].Luid = luid;
crmnh4- if (bEnablePrivilege)
S ^n:O tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
mtF&Z\ag else
z1"UF4x* tp.Privileges[0].Attributes = 0;
PffwNj/l // Enable the privilege or disable all privileges.
K'71uW> AdjustTokenPrivileges(
4RzG3CJdS hToken,
6?t5g4q*nn FALSE,
E+Gea[c &tp,
e;gf??8} sizeof(TOKEN_PRIVILEGES),
P(Lwpa,S
(PTOKEN_PRIVILEGES) NULL,
{jv1hKTa (PDWORD) NULL);
S#""((U$ // Call GetLastError to determine whether the function succeeded.
bLUn0)c if (GetLastError() != ERROR_SUCCESS)
hMD yE.X- {
!<~Ig/ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
k4`v(au^ return FALSE;
> Euput\ }
qNvKlwR9;k return TRUE;
R8?A%yxf }
6)?TWr'K e ////////////////////////////////////////////////////////////////////////////
x~(Ul\EX BOOL KillPS(DWORD id)
8m9G^s`[ {
FTB"C[> HANDLE hProcess=NULL,hProcessToken=NULL;
lF#Kg!-l BOOL IsKilled=FALSE,bRet=FALSE;
;or> Sh7 __try
mg3jm {
"=RB
# p3Gj=G if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
L,:U _\HQ {
*yJb4uALB printf("\nOpen Current Process Token failed:%d",GetLastError());
g VuN a) __leave;
$4?%Z>' }
k20H|@g2 //printf("\nOpen Current Process Token ok!");
8G@FX $$Q if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Tq?W @DM* {
sS0psw1 __leave;
>:K3y$]_ }
c1z5t]d printf("\nSetPrivilege ok!");
N1SR nJu<f /
)EB~|4'] if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
gF:wdcO {
A^m hPBT_ printf("\nOpen Process %d failed:%d",id,GetLastError());
0(..]\p^d __leave;
J5\> 8I,a }
O}%=c\Pb //printf("\nOpen Process %d ok!",id);
<Q8bn?Z if(!TerminateProcess(hProcess,1))
_}\&; {
: Z.mM5 printf("\nTerminateProcess failed:%d",GetLastError());
vdo[qk\C __leave;
\k* ]w_m- }
@.gCeMlOf IsKilled=TRUE;
/@OGYYH,M }
'IgtBd|K> __finally
a@X'oV`(2b {
LRmO6>y if(hProcessToken!=NULL) CloseHandle(hProcessToken);
|n~v_V2.0 if(hProcess!=NULL) CloseHandle(hProcess);
HY42G#^ }
@<AIPla return(IsKilled);
'|+_~ZO*d }
SY{J //////////////////////////////////////////////////////////////////////////////////////////////
mHhm~u OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
B
O"+m /*********************************************************************************************
{!="PnB ModulesKill.c
7eO8cPy Create:2001/4/28
I?:V EN: Modify:2001/6/23
|;].~7^ Author:ey4s
k{;:KW| Http://www.ey4s.org 44]ae~@a PsKill ==>Local and Remote process killer for windows 2k
^a]i&o[c **************************************************************************/
M\]E;C'"U #include "ps.h"
DnTM#i: #define EXE "killsrv.exe"
2<'gX>TW #define ServiceName "PSKILL"
$X{& KLM[ l==T3u
r #pragma comment(lib,"mpr.lib")
IEA[]eik> //////////////////////////////////////////////////////////////////////////
h0gT/x //定义全局变量
EuAa SERVICE_STATUS ssStatus;
g5?Fo%W SC_HANDLE hSCManager=NULL,hSCService=NULL;
<&NR3^Eq BOOL bKilled=FALSE;
XYn$yR\dj char szTarget[52]=;
qlzL< //////////////////////////////////////////////////////////////////////////
K[9 <a>D` BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
{<i!Pm BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
?@XO*|xkSk BOOL WaitServiceStop();//等待服务停止函数
*7Mrng BOOL RemoveService();//删除服务函数
)Qo6bei! /////////////////////////////////////////////////////////////////////////
QR#,n@fE int main(DWORD dwArgc,LPTSTR *lpszArgv)
(kSkbwu {
EUNG&U BOOL bRet=FALSE,bFile=FALSE;
{Cd*y6lI char tmp[52]=,RemoteFilePath[128]=,
LO2sP"9 szUser[52]=,szPass[52]=;
</}[x2w?] HANDLE hFile=NULL;
.h6h&[TEU DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
iGp@P=;m FkS{Z s //杀本地进程
i7p3GBXh[ if(dwArgc==2)
fGxa~Unx {
WT0U)x( m5 if(KillPS(atoi(lpszArgv[1])))
\0:l9;^4 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
F
|GWYw'% else
`aUA_"f printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
i^W\YLE lpszArgv[1],GetLastError());
.d*v fE$ return 0;
g,1\Gj%y }
_7;#0B //用户输入错误
2vur_`cV else if(dwArgc!=5)
oi!E
v_h {
vbWX`skU printf("\nPSKILL ==>Local and Remote Process Killer"
;^xku%u "\nPower by ey4s"
Ufk7%` "\nhttp://www.ey4s.org 2001/6/23"
*s/F4?* "\n\nUsage:%s <==Killed Local Process"
d2(n3Xf "\n %s <==Killed Remote Process\n",
xo*a9H?@ lpszArgv[0],lpszArgv[0]);
*L!R4;ubE return 1;
J0x)m2
}
Lh0<A% //杀远程机器进程
:jhJpm1Xq strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
4RK^efnp strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
1b't"i M strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
;TR.UUT a7CJ~8-1K //将在目标机器上创建的exe文件的路径
m/{rmtA4 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
w,P2_xk` __try
4[(P>`Unx {
s5[ Cr"q7B //与目标建立IPC连接
AKHi$Bk if(!ConnIPC(szTarget,szUser,szPass))
s*Fmu7o43 {
2yN~[,L printf("\nConnect to %s failed:%d",szTarget,GetLastError());
68D.Li return 1;
uX p0D$a }
[k.<x'# printf("\nConnect to %s success!",szTarget);
v3[
2!UXq //在目标机器上创建exe文件
[bZXzV( ruA!+@or hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
S4\T ( E,
hxv/285B NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
x;C\G`9N if(hFile==INVALID_HANDLE_VALUE)
ge E7<"m% {
'91Ak,cWB printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
9\dC8 __leave;
_[.`QW~ }
U>{z*D //写文件内容
| 0&~fY while(dwSize>dwIndex)
Xl}>mbB {
rSa3u*xB \ET7 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
_|#)tWy} {
Bt.WRRpAB printf("\nWrite file %s
Z*oGVr
g failed:%d",RemoteFilePath,GetLastError());
tewC *%3V __leave;
\Q
&Kd| }
2AdV=n6Z dwIndex+=dwWrite;
,H|V\\ }
Iz ,C!c //关闭文件句柄
P>)qN,a CloseHandle(hFile);
p{88v3b6 bFile=TRUE;
khyVuWN
//安装服务
y0z}[hZ if(InstallService(dwArgc,lpszArgv))
2"13!s {
'Yj/M //等待服务结束
jirxzj if(WaitServiceStop())
`M|fwlAJQ {
X${k //printf("\nService was stoped!");
R@ihN?k }
mH;\z;lyK else
p!HpqW {
5Zh
/D0!| //printf("\nService can't be stoped.Try to delete it.");
)K%AbKn }
)WD<Q x&