S0572: Caterpillar WebShell
Caterpillar WebShell is a self-developed Web Shell tool created by the group Volatile Cedar.[1]
Security context for executives and security teams
S0572: Caterpillar WebShell describes [Caterpillar WebShell](https://attack.mitre.org/software/S0572) is a self-developed Web Shell tool created by the group [Volatile Cedar](https://attack.mitre.org/groups/G0123).(Citation: ClearSky Lebanese Cedar Jan 2021)
Executive priority
S0572: Caterpillar WebShell is an official MITRE ATT&CK software. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.
Technical view
Security teams should validate S0572: Caterpillar WebShell by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.
Likely telemetry
- Official ATT&CK relationships and object metadata
- Network, endpoint, and security-tool telemetry
Detection direction
- Validate whether S0572: Caterpillar WebShell appears in your detection coverage and tabletop scenarios.
- Use the object to align executive risk language with SOC, incident response, and detection engineering work.
- Do not treat ATT&CK relationship context as attribution without corroborating evidence.
Mitigation priorities
- Map the object to existing controls and identify missing telemetry or response ownership.
- Prioritize mitigations that reduce exposure on the listed platforms and tactics.
- Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits
Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.
This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Caterpillar WebShell
Caterpillar WebShell is a self-developed Web Shell tool created by the group Volatile Cedar.[1]
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
Techniques used
This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1057 | Process Discovery | Caterpillar WebShell can gather a list of processes running on the machine.[1] |
| Enterprise | T1005 | Data from Local System | Caterpillar WebShell has a module to collect information from the local database.[1] |
| Enterprise | T1016 | System Network Configuration Discovery | Caterpillar WebShell can gather the IP address from the victim's machine using the IP config command.[1] |
| Enterprise | T1083 | File and Directory Discovery | Caterpillar WebShell can search for files in directories.[1] |
| Enterprise | T1110 | Brute Force | Caterpillar WebShell has a module to perform brute force attacks on a system.[1] |
| Enterprise | T1059.003 | Windows Command ShellSub-technique | Caterpillar WebShell can run commands on the compromised asset with CMD functions.[1] |
| Enterprise | T1007 | System Service Discovery | Caterpillar WebShell can obtain a list of the services from a system.[1] |
| Enterprise | T1112 | Modify Registry | Caterpillar WebShell has a command to modify a Registry key.[1] |
| Enterprise | T1069.001 | Local GroupsSub-technique | Caterpillar WebShell can obtain a list of local groups of users from a system.[1] |
| Enterprise | T1041 | Exfiltration Over C2 Channel | Caterpillar WebShell can upload files over the C2 channel.[1] |
| Enterprise | T1082 | System Information Discovery | Caterpillar WebShell has a module to gather information from the compromised asset, including the computer version, computer name, IIS version, and more.[1] |
| Enterprise | T1033 | System Owner/User Discovery | Caterpillar WebShell can obtain a list of user accounts from a victim's machine.[1] |
| Enterprise | T1105 | Ingress Tool Transfer | Caterpillar WebShell has a module to download and upload files to the system.[1] |
| Enterprise | T1014 | Rootkit | Caterpillar WebShell has a module to use a rootkit on a system.[1] |
| Enterprise | T1046 | Network Service Discovery | Caterpillar WebShell has a module to use a port scanner on a system.[1] |
Groups, software, and campaigns
G0123: Volatile Cedar
Volatile Cedar is a Lebanese threat group that has targeted individuals, companies, and institutions worldwide. Volatile Cedar has been operating since 2012 and is motivated by political and ideological interests.[1][2]
All related ATT&CK context
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.
Imported snapshots across ATT&CK releases(2)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.2 | 1.0 | Current bundle | 21fa5b13d0a0… | ||
| 19.1 | 1.0 | Older bundle | 21fa5b13d0a0… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
- [1]ClearSky Lebanese Cedar Jan 2021
ClearSky Cyber Security. (2021, January). “Lebanese Cedar” APT Global Lebanese Espionage Campaign Leveraging Web Servers. Retrieved February 10, 2021.
Open source URL - [2]CheckPoint Volatile Cedar March 2015
Threat Intelligence and Research. (2015, March 30). VOLATILE CEDAR. Retrieved February 8, 2021.
Open source URL - [3]Caterpillar WebShell
(Citation: ClearSky Lebanese Cedar Jan 2021)(Citation: CheckPoint Volatile Cedar March 2015)
- [4]mitre-attackS0572Open source URL
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