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。
/;ITnG OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
|0 %UM} <1>与远程系统建立IPC连接
Jxp'.oo[ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
~q>ilnL"h <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
73`UTXvWU <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
n-.k&B{a <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
d)sl)qt}0 <6>服务启动后,killsrv.exe运行,杀掉进程
;VBfzFH <7>清场
,DZLEsFM 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
bGa":|}F /***********************************************************************
E6)mBAE Module:Killsrv.c
9R3=h5Y Date:2001/4/27
u^p[zepW\ Author:ey4s
03;(v% Http://www.ey4s.org /LzNr0>2 ***********************************************************************/
b)@x@3"O #include
I@+<[n2 #include
s3^SjZb #include "function.c"
)G gx #define ServiceName "PSKILL"
gJ7puN m%3Kq%?O SERVICE_STATUS_HANDLE ssh;
u'>CU SERVICE_STATUS ss;
1 j8,Zrg1 /////////////////////////////////////////////////////////////////////////
t,6=EK*3T void ServiceStopped(void)
0w]?yqnE {
B!anY}/U ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
n|6yz[N ss.dwCurrentState=SERVICE_STOPPED;
K.7gd1I ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`9gx-')]\ ss.dwWin32ExitCode=NO_ERROR;
;_t on?bF ss.dwCheckPoint=0;
_v,n~a}& ss.dwWaitHint=0;
g5[3[Z(. SetServiceStatus(ssh,&ss);
vt,X:3 return;
Kwnu|8 }
DdgFBO /////////////////////////////////////////////////////////////////////////
h]$zub void ServicePaused(void)
&y+eE?j {
JN!YRcj ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Bnv%W4 ss.dwCurrentState=SERVICE_PAUSED;
R4;6Oi) ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
lHXH03 ss.dwWin32ExitCode=NO_ERROR;
zYsGI<4 ss.dwCheckPoint=0;
q[ZYlF,Ho ss.dwWaitHint=0;
ovO^uWz` SetServiceStatus(ssh,&ss);
V5MbWXgR return;
Hua8/:![+ }
h,g~J-x`| void ServiceRunning(void)
g!uhy} {
+`FY ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
z_TK
(;j ss.dwCurrentState=SERVICE_RUNNING;
yfrgYA ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
8%Lg)hvl ss.dwWin32ExitCode=NO_ERROR;
7Cjrh"al" ss.dwCheckPoint=0;
g9JtWgu ss.dwWaitHint=0;
fM{Vy])J SetServiceStatus(ssh,&ss);
?K"]XXsI return;
tA.C" }
R,lr&;a8 /////////////////////////////////////////////////////////////////////////
^D)C|T void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
%94"e7Hy {
#oI`j
q switch(Opcode)
WYL.J5O {
3#unh`3b case SERVICE_CONTROL_STOP://停止Service
=Ju}{ bX ServiceStopped();
\D=B-dREq break;
J/Li{xp)Lg case SERVICE_CONTROL_INTERROGATE:
lki(_@3 SetServiceStatus(ssh,&ss);
8:MYeE5 break;
Q@R8qc=* }
dWA7U6c< return;
s~CA
@ }
0OXd* //////////////////////////////////////////////////////////////////////////////
04:Dbt~=?p //杀进程成功设置服务状态为SERVICE_STOPPED
4Ki'r&L\ //失败设置服务状态为SERVICE_PAUSED
L<n_}ucA //
QB3AL;7 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
uJizR
F {
nYY U ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
j#,O,\ if(!ssh)
(TPD!= {
Bb)J8,LQ ServicePaused();
n)yqb return;
)XFMlSx) }
<Bwu N,} ServiceRunning();
+7w>ujeeJA Sleep(100);
xS'So7: h //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
[Pay<]c6g //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
=*pu+o,? if(KillPS(atoi(lpszArgv[5])))
n~Ix8|S h ServiceStopped();
^]HwStn&= else
u|E,Wy1 ServicePaused();
d hy= x return;
+;T%7j"wz }
O7W}Z1G /////////////////////////////////////////////////////////////////////////////
RN0Rk 8AC void main(DWORD dwArgc,LPTSTR *lpszArgv)
?d 4_'y
{
YA jk' SERVICE_TABLE_ENTRY ste[2];
4b)xW&K{ ste[0].lpServiceName=ServiceName;
lc^%:#@ ste[0].lpServiceProc=ServiceMain;
+x`tvo ste[1].lpServiceName=NULL;
lU?"\m ste[1].lpServiceProc=NULL;
1EN5ZN, StartServiceCtrlDispatcher(ste);
v|e>zm< return;
I`|>'$E[r }
Ua4} dW[w /////////////////////////////////////////////////////////////////////////////
1D$k:|pP~ 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
rqIt}(J 下:
V+ Z22 /***********************************************************************
;8!D8o(+ Module:function.c
`&o|= Date:2001/4/28
GC~::m~ Author:ey4s
h W-[omr0 Http://www.ey4s.org shD$,!
k ***********************************************************************/
|Z<adOg #include
*+G K?Ga ////////////////////////////////////////////////////////////////////////////
V}( "8L BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
qQb8K+ t {
,F1$Of/'@\ TOKEN_PRIVILEGES tp;
W $y?~2 LUID luid;
"H({kmR uo0(W3Q * if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
r=vE0;7 {
+CACs7tV printf("\nLookupPrivilegeValue error:%d", GetLastError() );
,i}"e(f return FALSE;
XH/|jE.9^| }
tC;D4i tp.PrivilegeCount = 1;
+1rJ ;G tp.Privileges[0].Luid = luid;
8w\&QX if (bEnablePrivilege)
w v1R
]3} tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
TS-[p d else
!j(R_wOq tp.Privileges[0].Attributes = 0;
_&T$0SZco // Enable the privilege or disable all privileges.
;,<s'5icyg AdjustTokenPrivileges(
B::vOg77 hToken,
TZ/u"' ZS FALSE,
"/q6E &tp,
[wExjLW sizeof(TOKEN_PRIVILEGES),
BjShK+Y (PTOKEN_PRIVILEGES) NULL,
\(u P{,ML (PDWORD) NULL);
+ 7Z%N9 // Call GetLastError to determine whether the function succeeded.
)TLDNpH?J if (GetLastError() != ERROR_SUCCESS)
uJ%ql5XDV {
V; ChrmE printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:%0Z return FALSE;
dCinbAQ }
d00r&Mc return TRUE;
$HaM,
Oh;i }
z\\MLyS ////////////////////////////////////////////////////////////////////////////
b_B4 BOOL KillPS(DWORD id)
Aam2Y,B {
I?1^\s#L HANDLE hProcess=NULL,hProcessToken=NULL;
% $J^dF_0 BOOL IsKilled=FALSE,bRet=FALSE;
\d6A<(!=v __try
{BF$N#7 {
-1@kt<Es =lzjMRX(? if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
'rSM6j {
F:n7yey printf("\nOpen Current Process Token failed:%d",GetLastError());
O)hNHIF __leave;
f#!Ljjf$; }
8r~4iVwg //printf("\nOpen Current Process Token ok!");
rtPQ:CaA)? if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
{3l]/X3 {
v
+7<} __leave;
#jnb6v=5v }
cc@y printf("\nSetPrivilege ok!");
TG!sck4/-Q LEY$St if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Er{yQIi0L {
Tfj%Sb,zM
printf("\nOpen Process %d failed:%d",id,GetLastError());
lK{h%2A\b __leave;
NpSS/rd $ }
Hi
)n]OE //printf("\nOpen Process %d ok!",id);
rK"x92P0 if(!TerminateProcess(hProcess,1))
1>n@`M8} {
IF<jq\M printf("\nTerminateProcess failed:%d",GetLastError());
-?j'<g0 __leave;
XXO
}
huO_ARwK' IsKilled=TRUE;
{`{U\w5Af }
R+P1 +5 __finally
pJV<#<#Z {
;0 ,-ywK if(hProcessToken!=NULL) CloseHandle(hProcessToken);
]@_*O$ if(hProcess!=NULL) CloseHandle(hProcess);
/CH*5w)1
}
Qax=_[r return(IsKilled);
BeBa4s }
hivWQ$6% //////////////////////////////////////////////////////////////////////////////////////////////
X'O3)Yg OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
_/hWzj=q /*********************************************************************************************
W<\KRF$S; ModulesKill.c
Fvg>>HVu Create:2001/4/28
,XR1N$LN8_ Modify:2001/6/23
3d[fP#NY7 Author:ey4s
gd2cwnP Http://www.ey4s.org li(g?|AD PsKill ==>Local and Remote process killer for windows 2k
iOw'NxmY **************************************************************************/
w?Y;pc}1B #include "ps.h"
@2V#bK #define EXE "killsrv.exe"
^`ny]3JA #define ServiceName "PSKILL"
?8pR RzV$ K;Fy&p^d #pragma comment(lib,"mpr.lib")
L )kwMk //////////////////////////////////////////////////////////////////////////
?nE<Aig //定义全局变量
uq'T:d SERVICE_STATUS ssStatus;
A3MVNz$wo" SC_HANDLE hSCManager=NULL,hSCService=NULL;
86oa>#opU BOOL bKilled=FALSE;
?m0|>[j char szTarget[52]=;
Nvw'[?m //////////////////////////////////////////////////////////////////////////
!ouJ3Jn BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
|%Pd*yZA BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
CnN PziB BOOL WaitServiceStop();//等待服务停止函数
"luMz;B BOOL RemoveService();//删除服务函数
uvi+#4~G /////////////////////////////////////////////////////////////////////////
,-D3tleu` int main(DWORD dwArgc,LPTSTR *lpszArgv)
`StlG=TB8 {
b{_J%p BOOL bRet=FALSE,bFile=FALSE;
4 1q|R[js! char tmp[52]=,RemoteFilePath[128]=,
r761vtC# szUser[52]=,szPass[52]=;
4~4D1 HANDLE hFile=NULL;
bs/Vn'CE DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
(/JiOg^cw uS;N&6;: //杀本地进程
^Yul|0*J if(dwArgc==2)
zr2oU '+ {
DY1UP(y if(KillPS(atoi(lpszArgv[1])))
Dwn.0|E printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
'b~,/lZd else
DJR_"8 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
0F/o lpszArgv[1],GetLastError());
>We4F2? return 0;
.]24V!J(1w }
q-}qrg //用户输入错误
JYc;6p$<i else if(dwArgc!=5)
R ` {
vL}e1V: printf("\nPSKILL ==>Local and Remote Process Killer"
^\KZE|^3@ "\nPower by ey4s"
?NWc3 . "\nhttp://www.ey4s.org 2001/6/23"
-Q9} gaH_ "\n\nUsage:%s <==Killed Local Process"
;<hLy(@ "\n %s <==Killed Remote Process\n",
<*oTVl4fS lpszArgv[0],lpszArgv[0]);
lk;4l Z return 1;
MfQ 9d9 }
HHzAmHt //杀远程机器进程
b@`h]]~: strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
`|(S]xPHM strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
bi~1d"j strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
}hRw{#*8 v[57LB //将在目标机器上创建的exe文件的路径
[_PZdIN sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
05hjC __try
UU'0WIbY6 {
a]\l:r //与目标建立IPC连接
^ZP
$(a4 if(!ConnIPC(szTarget,szUser,szPass))
pr-=<[ d {
stQRl_(' printf("\nConnect to %s failed:%d",szTarget,GetLastError());
%W`
} return 1;
cao=O
\Y7 }
%?2y2O,; printf("\nConnect to %s success!",szTarget);
FLUvFD //在目标机器上创建exe文件
6
);8z!+ x,L<{A`z hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
/x q^]0xy E,
>UNx<=ry NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
z*k(` ' if(hFile==INVALID_HANDLE_VALUE)
h>k[ {
XCvL` printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Cg_9V4h.C __leave;
u'`eCrKT* }
SFJ"(ey$ //写文件内容
lV".-:u_ while(dwSize>dwIndex)
AdD,94/ {
J~}sQ{ 0 "rA-u)Te if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
'9u(9S {
!{q_Q ! printf("\nWrite file %s
z_f^L %J0 failed:%d",RemoteFilePath,GetLastError());
g^I?u$&E __leave;
hU'h78bt( }
\?tE,\Ln dwIndex+=dwWrite;
uo9FLm }
{;5\ #VFg //关闭文件句柄
Q%r KKOX8 CloseHandle(hFile);
Y]VLouzl bFile=TRUE;
F
~SA3M: //安装服务
L%;fYi;n if(InstallService(dwArgc,lpszArgv))
QZ&
4W {
WA((>Daf] //等待服务结束
+R"Y~
m{F if(WaitServiceStop())
$:|?z_@ {
Y[!s:3\f //printf("\nService was stoped!");
CFXr=.yz }
4v.{C"M else
jZr"d*Y {
]$~\GE^ //printf("\nService can't be stoped.Try to delete it.");
UMUG~P&@ }
TrPw*4h 9s Sleep(500);
+?)R}\\ //删除服务
#(7^V y& RemoveService();
<c% }
<P~pn!F} }
O\F$~YQ __finally
g o9tvK {
Yz)+UF, //删除留下的文件
4OeH}@ a if(bFile) DeleteFile(RemoteFilePath);
" %
l`` //如果文件句柄没有关闭,关闭之~
[>D5(O if(hFile!=NULL) CloseHandle(hFile);
E5q t~:C| //Close Service handle
IN_O!c0e if(hSCService!=NULL) CloseServiceHandle(hSCService);
Z H2 //Close the Service Control Manager handle
a(IUAh*mO if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
XM f>B| //断开ipc连接
sm Kp3_r wsprintf(tmp,"\\%s\ipc$",szTarget);
TXT!Ae WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
_9yW; i- if(bKilled)
2q4-9vu printf("\nProcess %s on %s have been
*b7evU *1 killed!\n",lpszArgv[4],lpszArgv[1]);
t|P+^SL else
6L"b O'_5K printf("\nProcess %s on %s can't be
_1G;!eO killed!\n",lpszArgv[4],lpszArgv[1]);
G5hf m- }
4s9qQ8? return 0;
m
yy*rt }
<&kl:| //////////////////////////////////////////////////////////////////////////
os n ,kD* BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
+2+|zXmT {
XTJA"y NETRESOURCE nr;
"m>BE char RN[50]="\\";
J@A^k1B Qe =8x7oIP strcat(RN,RemoteName);
|G)P
I`BH strcat(RN,"\ipc$");
;b}cn!U] 7jw5'`;)" nr.dwType=RESOURCETYPE_ANY;
!i_~<6Wa7 nr.lpLocalName=NULL;
%/2OP &1< nr.lpRemoteName=RN;
l?A~^4(5a/ nr.lpProvider=NULL;
-HF1c `-MCI)Fq_R if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
&D91bT+L return TRUE;
y[ZVi5) , else
<Uu[nUJ return FALSE;
r:M0#
2 }
&r+!rL Kp /////////////////////////////////////////////////////////////////////////
*4/KK BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
cx[[K. {
i0u`J BOOL bRet=FALSE;
):\+%v^ __try
5?A<('2 {
wbB\~*Z) //Open Service Control Manager on Local or Remote machine
#+H3b!8= hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
YJ+l
\Wb} if(hSCManager==NULL)
L|8&9F\ {
7^;-[?l
printf("\nOpen Service Control Manage failed:%d",GetLastError());
$9h^tP'CV __leave;
Pv|sPIIB7 }
cv;2zq=T //printf("\nOpen Service Control Manage ok!");
YZAQt*x //Create Service
<qVOd.9c hSCService=CreateService(hSCManager,// handle to SCM database
b/_u\R
]-' ServiceName,// name of service to start
kzVK%[/ ServiceName,// display name
&oE'|^G SERVICE_ALL_ACCESS,// type of access to service
{113B) SERVICE_WIN32_OWN_PROCESS,// type of service
.l,]yWwfK SERVICE_AUTO_START,// when to start service
Y4+iNdd SERVICE_ERROR_IGNORE,// severity of service
*x_e] /} failure
)X3
|[4R EXE,// name of binary file
V@+X4`T NULL,// name of load ordering group
#\ECQF NULL,// tag identifier
8_Z"@ NULL,// array of dependency names
V/xjI<