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。
h/F,D_O>ZO OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
2(sq*!tX <1>与远程系统建立IPC连接
W_N!f=HW <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
T$;N8x[ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
~w9ZSSb4 <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
'gwh:8Xc <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
|G]M"3^ <6>服务启动后,killsrv.exe运行,杀掉进程
s;-%Dfn <7>清场
\?.Tq24 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
@#5PPXp /***********************************************************************
u~a@:D/F{G Module:Killsrv.c
HGRH9W Date:2001/4/27
6*H F`@( Author:ey4s
`JL&x|q o Http://www.ey4s.org |F#L{=B ***********************************************************************/
t{)J#8:g #include
CK+_T}+- #include
gcfEJN4' #include "function.c"
(t)a u #define ServiceName "PSKILL"
BAS3&f A i^'Uod0d. SERVICE_STATUS_HANDLE ssh;
j8Csnm0 SERVICE_STATUS ss;
#/Qe7:l /////////////////////////////////////////////////////////////////////////
%@Ty,d:;= void ServiceStopped(void)
(Q09$ {
FO5'<G- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
!EQMTF=( ss.dwCurrentState=SERVICE_STOPPED;
v(tr:[V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
h
.$3jNU ss.dwWin32ExitCode=NO_ERROR;
C6C7*ks ss.dwCheckPoint=0;
"ewB4F[ ss.dwWaitHint=0;
q9&d24| SetServiceStatus(ssh,&ss);
^g56:j~? return;
77ID
82 }
4h[^!up.7 /////////////////////////////////////////////////////////////////////////
e: void ServicePaused(void)
&<sN(;%0R {
MzsDDP+h ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
7 n=fB#!*3 ss.dwCurrentState=SERVICE_PAUSED;
( nH3 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
U0:tE>3` ss.dwWin32ExitCode=NO_ERROR;
2x7%6' ss.dwCheckPoint=0;
7BhRt8FSD+ ss.dwWaitHint=0;
h[O!kwE SetServiceStatus(ssh,&ss);
oLXQ#{([ return;
D'823,-). }
CdRgI^5 void ServiceRunning(void)
lU<n Wf {
`n!<h,S'2 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#Mz N7 ss.dwCurrentState=SERVICE_RUNNING;
w<]Wg^dyQ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
8HyK;+ZkVd ss.dwWin32ExitCode=NO_ERROR;
ei8OLcw:x ss.dwCheckPoint=0;
@9pk-BB^D ss.dwWaitHint=0;
wb
}W;C@ SetServiceStatus(ssh,&ss);
x-_!I>l& return;
kOGpe'bV }
_YH)E^If /////////////////////////////////////////////////////////////////////////
P:")Qb2 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
{AY`\G {
e>kw>%3bl9 switch(Opcode)
`" E | {
J!:ss case SERVICE_CONTROL_STOP://停止Service
Iz#h:O ServiceStopped();
(Js'(tBhiU break;
>_y>["u6J# case SERVICE_CONTROL_INTERROGATE:
7='M&Za SetServiceStatus(ssh,&ss);
U9KnW]O%" break;
,&sBa{0 }
9*%Uoy: return;
;,y9 }
46dh@&U //////////////////////////////////////////////////////////////////////////////
EnrRnVB //杀进程成功设置服务状态为SERVICE_STOPPED
RJ%~=D //失败设置服务状态为SERVICE_PAUSED
l*]L=rC //
;!k1LfN void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
*p.P/w@1 {
yp=2nU"o ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
MOFIR
wVZ+ if(!ssh)
he/UvMu {
.s_wP ServicePaused();
~T')s-,l,: return;
`bGAc&,& }
sYt8NsQ ServiceRunning();
3H%oTgWk Sleep(100);
> @ulvHL //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
P(W7,GD,k //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
uE>2*u\ if(KillPS(atoi(lpszArgv[5])))
xOjCF&W ServiceStopped();
=J,aB p else
cvbv\G'aT ServicePaused();
$b#"Rv return;
h!f7/)|[o }
j+n1k^jC /////////////////////////////////////////////////////////////////////////////
~<pGiW'w5 void main(DWORD dwArgc,LPTSTR *lpszArgv)
1X/
q7lR {
e/WR\B'1 SERVICE_TABLE_ENTRY ste[2];
J*8fGR% ste[0].lpServiceName=ServiceName;
i8nCTW ste[0].lpServiceProc=ServiceMain;
$+sNjwv^F ste[1].lpServiceName=NULL;
N"b>]Ab] ; ste[1].lpServiceProc=NULL;
`?Wak=]g StartServiceCtrlDispatcher(ste);
w*ig[{
I return;
Got5(^'c }
V&DS+'P /////////////////////////////////////////////////////////////////////////////
'hL\xf{ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
p3*}! ez4 下:
S2"p( /***********************************************************************
laqW
{sX^5 Module:function.c
X+{4,?04+ Date:2001/4/28
cT8jG,+"} Author:ey4s
=F
ZvtcCa Http://www.ey4s.org N`/6
By ***********************************************************************/
W:P4XwR{ #include
6tM CpSJ ////////////////////////////////////////////////////////////////////////////
zQ}:_ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
im_W0tGvF {
S >uzW # TOKEN_PRIVILEGES tp;
9q;\;- LUID luid;
@7%nMTZ@&v 38%]GQ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
s} ,p>8 {
R\+p`n$ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Nl7"|()e return FALSE;
Fk>/ }
K.] *:fd tp.PrivilegeCount = 1;
O~B
iqm tp.Privileges[0].Luid = luid;
7vV3"uns if (bEnablePrivilege)
`7Ni bZX0 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
dKw*L|5 else
r}9qK%C G. tp.Privileges[0].Attributes = 0;
`jJ5us // Enable the privilege or disable all privileges.
:t]YPt AdjustTokenPrivileges(
-ny[Lh^b hToken,
QdG_zK>|e FALSE,
:a3Pnq$]E &tp,
?T70C9 sizeof(TOKEN_PRIVILEGES),
(hVhzw"~ (PTOKEN_PRIVILEGES) NULL,
u|=_!$8 (PDWORD) NULL);
l.lXto.6) // Call GetLastError to determine whether the function succeeded.
V$-IRdb if (GetLastError() != ERROR_SUCCESS)
APuG8
<R, {
VVvV]rU~ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:M1S*"&: return FALSE;
?DkMzR)u }
eQno]$-\ return TRUE;
H__9%p# }
~d7!)c`z ////////////////////////////////////////////////////////////////////////////
[X=-x=S, BOOL KillPS(DWORD id)
w:&m_z#M {
|qJQWmJO&U HANDLE hProcess=NULL,hProcessToken=NULL;
cxrUk$f BOOL IsKilled=FALSE,bRet=FALSE;
3t(nV4uDF __try
:=^JHE{ {
%?_pSH}$! ;&P%A<[` if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
JMw1qPJQ {
I1
j-Q8 printf("\nOpen Current Process Token failed:%d",GetLastError());
R\MM2_I __leave;
N/Z3 EF_ }
(D{Fln\ //printf("\nOpen Current Process Token ok!");
J(h=@cw if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Q! ] {
v-X1if1% __leave;
4)-LlYS_d< }
;p/RS# printf("\nSetPrivilege ok!");
G1vWHa7n;f *\I?gDON if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
myFjw@ {
7Cx%G/( printf("\nOpen Process %d failed:%d",id,GetLastError());
Txfu%'2)e __leave;
<Jo_f&&{ }
<n>Kc}c //printf("\nOpen Process %d ok!",id);
FlRbGg^ if(!TerminateProcess(hProcess,1))
+o!".Hp {
q.t>:` printf("\nTerminateProcess failed:%d",GetLastError());
=g2;sM/ __leave;
uOEy}&fH }
"Nn/vid; IsKilled=TRUE;
NHUx-IqOX }
G{i}z^n __finally
<u*~RYA2 {
s6rdQI] if(hProcessToken!=NULL) CloseHandle(hProcessToken);
r~z-l, if(hProcess!=NULL) CloseHandle(hProcess);
1fm\5/}'`1 }
d
/jO~+jP return(IsKilled);
"ZNiTND }
P(d4~hS //////////////////////////////////////////////////////////////////////////////////////////////
^{_`jE 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:
<jQ?l%\ /*********************************************************************************************
9@#Z6[=R, ModulesKill.c
,;'9PsIS^ Create:2001/4/28
v}IkY Modify:2001/6/23
R>To
L Author:ey4s
jtV{Lf3< Http://www.ey4s.org j>+x|!k PsKill ==>Local and Remote process killer for windows 2k
M&~3fRb4 **************************************************************************/
Z[yQKy #include "ps.h"
OO]~\j #define EXE "killsrv.exe"
&p^S6h #define ServiceName "PSKILL"
p V(b>O C+cSy'VIK! #pragma comment(lib,"mpr.lib")
dOqn0Z //////////////////////////////////////////////////////////////////////////
"Git@%80 //定义全局变量
DT8|2"H SERVICE_STATUS ssStatus;
>0=` 3X|Y7 SC_HANDLE hSCManager=NULL,hSCService=NULL;
tEf_XBjKV BOOL bKilled=FALSE;
3lqR(Hh3 char szTarget[52]=;
V{O,O,* //////////////////////////////////////////////////////////////////////////
9Y- Sqk+ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
mrX3/e BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Di<KRg1W]} BOOL WaitServiceStop();//等待服务停止函数
G?{BVWtl} BOOL RemoveService();//删除服务函数
l&(,$RmYp /////////////////////////////////////////////////////////////////////////
5u
MP31 int main(DWORD dwArgc,LPTSTR *lpszArgv)
4$+1jjC]>~ {
_y#t[|}w BOOL bRet=FALSE,bFile=FALSE;
p-GlGEt_X char tmp[52]=,RemoteFilePath[128]=,
=da_zy szUser[52]=,szPass[52]=;
>;dMumX HANDLE hFile=NULL;
{ ,/mQ3 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
3 ~0Z.!O iJk`{P _ //杀本地进程
z[ B*sbS if(dwArgc==2)
GN /]^{D {
_p\ if(KillPS(atoi(lpszArgv[1])))
**d3uc4y printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
lV:R8^d else
DKAqQ?fS printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
"D'A7DA lpszArgv[1],GetLastError());
K3$83%E return 0;
p3`'i }
P}KN*Hn. //用户输入错误
8 qt,sU else if(dwArgc!=5)
iv2did4 {
"GEJ9_a[ printf("\nPSKILL ==>Local and Remote Process Killer"
h!?7I=p~# "\nPower by ey4s"
9Ruj_U "\nhttp://www.ey4s.org 2001/6/23"
;"hED:z6% "\n\nUsage:%s <==Killed Local Process"
ZMy0iQ@ "\n %s <==Killed Remote Process\n",
d_BECx<\ lpszArgv[0],lpszArgv[0]);
Kgbgp mW return 1;
+N:K V}K }
3*"$E_% //杀远程机器进程
^\Nsx)Y; strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
3xWeN#T0 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
v}!eJzeH strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Zj99]4?9 8 sZ~3 //将在目标机器上创建的exe文件的路径
hn#i,XnY sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
ya0L8`q __try
s"#JBw\7 {
O6NgI2[O //与目标建立IPC连接
w,cfSF;=tC if(!ConnIPC(szTarget,szUser,szPass))
.8S6;xnkC {
NOLw119K printf("\nConnect to %s failed:%d",szTarget,GetLastError());
im_WTZz2P return 1;
Jiyt,D*wX }
(|I:d!>:U printf("\nConnect to %s success!",szTarget);
"ys#%,Z //在目标机器上创建exe文件
iUJqAi1o {5QIQ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Q3vC^}Dmr E,
4d#w} NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
L}*:,&Y/ if(hFile==INVALID_HANDLE_VALUE)
{O9CYP: {
9E4H`[EQ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
`=g9Rg/< __leave;
wN\%b}pp }
Gkv<)}G //写文件内容
n#[-1(P while(dwSize>dwIndex)
k3h,c; {
2F[smUL 1Y:lFGoe if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
wWv")dk3i {
I&?(=i)N printf("\nWrite file %s
"Kx2k>ym failed:%d",RemoteFilePath,GetLastError());
U~n>k<`sr __leave;
Veo:G{ }
D::$YR
~R dwIndex+=dwWrite;
RO+B/)~0< }
XW
w=3$ //关闭文件句柄
'^)Ve:K-. CloseHandle(hFile);
w?)v#]<- bFile=TRUE;
D7H,49#1Q //安装服务
6!bp;iLKy if(InstallService(dwArgc,lpszArgv))
ifTMoC% {
R]O!F)_/' //等待服务结束
kwU~kcM if(WaitServiceStop())
rxH*h`Xx@ {
eR PmN //printf("\nService was stoped!");
p%toD{$ }
"jqC3$DKI else
^-?5=\`5 {
LW<