Discovery / credits: malvuln - (c) 2021  
Original source:  
Vulnerability: Remote Memory Corruption  
Description: Memory corruption on server response when making HTTP POST request for PHP file named "stat1.php" on TCP Port 80.  
Type: PE32  
MD5: bdcaed5042eba30f91b093f0bcb3caf3  
Vuln ID: MVID-2021-0008  
Dropped files: svcnost.exe   
ASLR: False  
DEP: False  
Safe SEH: True  
Disclosure: 1/2/2021  
Memory Dump:   
(1dc4.14dc): Access violation - code c0000005 (first/second chance not available)  
eax=00000000 ebx=00000000 ecx=ffffefff edx=00000000 esi=00000003 edi=00000003  
eip=773ced3c esp=0acbf444 ebp=0acbf5d4 iopl=0 nv up ei pl nz na pe nc  
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000206  
773ced3c c21400 ret 14h  
0:003> .exr -1  
ExceptionAddress: 03b2657b  
ExceptionCode: c0000005 (Access violation)  
ExceptionFlags: 00000000  
NumberParameters: 2  
Parameter[0]: 00000000  
Parameter[1]: 0ada1000  
Attempt to read from address 0ada1000  
0:003> .ecxr  
eax=e5cb4ea8 ebx=00000002 ecx=ffffefff edx=00000000 esi=0ada1000 edi=0adc2390  
eip=03b2657b esp=0acbfd84 ebp=0acbfdc4 iopl=0 nv up ei ng nz na pe nc  
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010286  
03b2657b f3a4 rep movs byte ptr es:[edi],byte ptr [esi]  
0:003> dd 0adc0008   
0adc0008 41414141 41414141 41414141 41414141  
0adc0018 41414141 41414141 41414141 41414141  
0adc0028 41414141 41414141 41414141 41414141  
0adc0038 41414141 41414141 41414141 41414141  
import socket  
def doit():  
global payload  
s = socket.socket()  
host = ''   
s.bind((host, port))   
print('TROJAN.WIN32.JORIK.DMSPAMMER.SZ / Remote Memory Corruption')  
print('MD5: bdcaed5042eba30f91b093f0bcb3caf3')  
print("By malvuln")  
while True:  
conn, addr = s.accept()  
except Exception as e:  
if __name__=="__main__":  
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