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Bidda Sovereign Intelligence · 10,085 Verified Nodes · 39 Sovereign Pillars

MITRE ATT&CK T1505.003: Web Shell (Enterprise Tactic TA0003 - Persistence)

MITRE ATT&CK T1505.003 (Web Shell) is an Enterprise Persistence sub-technique of T1505 (Server Software Component). Adversaries may backdoor web servers…

What MITRE ATT&CK T1505.003: Web Shell (Enterprise Tactic TA0003 - Persistence) requires

MITRE ATT&CK T1505.003 (Web Shell) is an Enterprise Persistence sub-technique of T1505 (Server Software Component). Adversaries may backdoor web servers with web shells to establish persistent access to systems. A Web shell is a Web script that is placed on an openly accessible Web server to allow an adversary to access the Web server as a gateway into a network. A Web shell may provide a set of functions to execute or a command-line interface on the system that hosts the Web server. In addition to a server-side script, a Web shell may have a client interface program that is used to talk to the Web server (e.g. Affected platforms: Linux, Windows, macOS, Network. MITRE-documented mitigations include M1042 Disable or Remove Feature or Program, M1018 User Account Management. The Center for Threat-Informed Defense maps this technique to NIST SP 800-53 Rev 5 controls AC-02, AC-03, AC-05, AC-06, AC-16, CM-02, CM-05, CM-06.

Pillar: Cybersecurity · Authority: MITRE Corporation · Version: 1.0.0 · Last updated: 2026-05-25

Primary source: https://attack.mitre.org/techniques/T1505/003/

SHA-256 integrity: 986a0512c6b75349b1ec16e63a5c851bc0c8a4d8e996a7f17c331c2ff220a4f5

Primary Citations — 7 traced to source

MITRE ATT&CK Technique T1505.003: Web Shell (https://attack.mitre.org/techniques/T1505/003/)
MITRE ATT&CK Tactic TA0003: Persistence (https://attack.mitre.org/tactics/TA0003/)

+ 5 more citations (full bibliography, deterministic workflow, actionable schema and crosswalks) included in the vault unlock — $0.01 via Skyfire / L402 / Direct Base USDC.

Access

Discovery (free): /api/v1/nodes/mitre-attack-t1505-003-web-shell.json — 6-field metadata
Vault (full node): /api/v1/vault/nodes/mitre-attack-t1505-003-web-shell.json — full 13-key payload, $0.01 USDC (L402/Skyfire/Direct Base)
Canonical URL: https://bidda.com/intelligence/mitre-attack-t1505-003-web-shell
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Bidda compliance nodes are reference intelligence, not legal advice. Every node must be reviewed by a qualified compliance professional or legal counsel before implementation in any enterprise workflow, regulated system, or compliance programme. See bidda.com/disclaimer for full terms.