Caterpillar WebShell

Caterpillar WebShell is a self-developed Web Shell tool created by the group Volatile Cedar.[1]

ID: S0572
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 10 February 2021
Last Modified: 27 April 2021

Techniques Used

Domain ID Name Use
Enterprise T1014 Rootkit

Caterpillar WebShell has a module to use a rootkit on a system.[1]

Enterprise T1005 从本地系统获取数据

Caterpillar WebShell has a module to collect information from the local database.[1]

Enterprise T1112 修改注册表

Caterpillar WebShell has a command to modify a Registry key.[1]

Enterprise T1059 .003 命令与脚本解释器: Windows Command Shell

Caterpillar WebShell can run commands on the compromised asset with CMD functions.[1]

Enterprise T1083 文件和目录发现

Caterpillar WebShell can search for files in directories.[1]

Enterprise T1110 暴力破解

Caterpillar WebShell has a module to perform brute force attacks on a system.[1]

Enterprise T1069 .001 权限组发现: Local Groups

Caterpillar WebShell can obtain a list of local groups of users from a system.[1]

Enterprise T1082 系统信息发现

Caterpillar WebShell has a module to gather information from the compromrised asset, including the computer version, computer name, IIS version, and more.[1]

Enterprise T1033 系统所有者/用户发现

Caterpillar WebShell can obtain a list of user accounts from a victim's machine.[1]

Enterprise T1007 系统服务发现

Caterpillar WebShell can obtain a list of the services from a system.[1]

Enterprise T1016 系统网络配置发现

Caterpillar WebShell can gather the IP address from the victim's machine using the IP config command.[1]

Enterprise T1046 网络服务发现

Caterpillar WebShell has a module to use a port scanner on a system.[1]

Enterprise T1105 输入工具传输

Caterpillar WebShell has a module to download and upload files to the system.[1]

Enterprise T1057 进程发现

Caterpillar WebShell can gather a list of processes running on the machine.[1]

Enterprise T1041 通过C2信道渗出

Caterpillar WebShell can upload files over the C2 channel.[1]

Groups That Use This Software

ID Name References
G0123 Volatile Cedar

[1][2]

References