TF-1931075 medium

Description

Indicator that identifies a botnet command&control server (C&C). IOC type: Domain that is used for botnet Command&control (C&C). Attributed malware: php.shin_webshell. Confidence: 50. First seen: 2026-09-23 21:25:40 UTC. Reporter: xscon. Tags: Cloudflare, gif, PHP, webshell, WordPress, workers.dev, wp-admin.

Indicators of Compromise (1)

Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.

References (2)

• Malpedia profile ThreatFox IOCs
• ThreatFox IOC page ThreatFox IOCs

  Indicator that identifies a botnet command&control server (C&C). IOC type: Domain that is used for botnet Command&control (C&C). Attributed malware: php.shin_webshell. Confidence: 50. First seen: 2026-09-23 21:25:40 UTC. Reporter: xscon. Tags: Cloudflare, gif, PHP, webshell, WordPress, workers.dev, wp-admin.

• php.shin_webshell — Malware Analysis & Detection | BotEraser
  web:boteraser.com

  php.shin_webshell is a PHP-based backdoor webshell, first documented in public threat intelligence reports around 2019 by Fortinet's FortiGuard Labs. It is categorized as a Web Shell and is typically deployed on compromised web servers to grant attackers persistent remote access.

  2026-09-24 03:08 UTC
• ThreatFox: php.shin_webshell IOCs | SOC Hunt Feed
  web:davidgodwinpratt.com

  Here are specific false positive scenarios and corresponding filters for the ThreatFox: php.shin_webshell detection rule in an enterprise environment: Scenario: Legitimate deployment of a new PHP-based internal dashboard or customer portal by the DevOps team using CI/CD pipelines (e.g., Jenkins, GitLab CI).

  2026-09-24 03:08 UTC
• ThreatFox: php.shin_webshell IOCs | SOC Hunt Feed
  web:davidgodwinpratt.com

  Hunt Hypothesis This hunt detects adversary activity involving the php.shin_webshell web shell, a tool frequently used by threat actors to establish persistent access and execute commands on compromised PHP-based servers. A SOC team should proactively search for these specific IOCs in Azure Sentinel because early identification of this web shell can prevent lateral movement and data ...

  2026-09-24 03:08 UTC
• PHP Webshell: How to Detect and Remove One - safeguard.sh
  web:safeguard.sh

  A PHP webshell gives attackers remote control of a server. Learn how they get planted, what the code looks like, and how to detect and remove one.

  2026-09-24 03:08 UTC
• ThreatFox | tocawyso.workers.dev
  web:threatfox.abuse.ch

  This IOC is reference the injection webshell using Worker Clouflare, infected using polyglot file php over gif in WordPress.

  2026-09-24 03:08 UTC
• ThreatFox | kwldbne6aq.workers.dev
  web:threatfox.abuse.ch

  This IOC is reference the injection webshell using Worker Clouflare, infected using polyglot file php over gif in WordPress.

  2026-09-24 03:08 UTC
• Cloudflare Workers as Covert C2: The php.shin_webshell "worker.botnet ...
  web:www.threatclaw.ai

  The php.shin_webshell payload itself is a classic post-exploitation webshell that , once dropped on a target edge server, would blend into routine PHP traffic. This is not a replacement for the proven C2 cohort above — it's an escalation path.

  2026-09-24 03:08 UTC
• Remus Stealer's Weaponized Cloudflare Workers: php.shin_webshell Gif ...
  web:www.threatclaw.ai

  The Cloudflare Workers Webshell Family ( php.shin_webshell ) Three domains — qhvdg6q2ob.workers.dev, 591jemmy.workers.dev, and the previously-flagged ck.erloro.com pattern — are hosting php.shin_webshell with conf:50-85 and tag Cloudflare,gif,PHP. This is not a coincidence of naming.

  2026-09-24 03:08 UTC
• php.shin_webshell Cloudflare Workers Cluster: Eight-Domain Edge-Compute ...
  web:www.threatclaw.ai

  Overview ThreatFox dropped eight new .workers.dev domains in the last 24 hours, all flagged as php.shin_webshell at confidence level 50, tagged with Cloudflare,gif,PHP. This is the second distinct malware family I've observed abusing Cloudflare's serverless edge platform in a single day — earlier today I covered the AISURU ELF botnet using a Cloudflare Workers endpoint at 160.119.71.120:8080 ...

  2026-09-24 03:08 UTC
• php.shin_webshell on Cloudflare Workers: The CDN-Trusted Webshell Mesh ...
  web:www.threatclaw.ai

  The shin_webshell Workers Fleet: A Network-Level Blind Spot Worth Closing Today Four domains in the last 24h from ThreatFox all share the same fingerprint: *.workers.dev hosting php.shin_webshell , tagging Cloudflare,gif,PHP. When a legitimate CDN provider is itself the delivery substrate, your traditional URL categorization, domain reputation scoring, and TLS-inspection egress filters all stop ...

  2026-09-24 03:08 UTC

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