TF-1932540 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: 2026-09-25 00:44:19 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: 2026-09-25 00:44:19 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.

  2026-09-25 10:02 UTC
• ThreatFox: php.shin_webshell IOCs | SOC Hunt Feed
  web:davidgodwinpratt.com

  Hunt Hypothesis This detection rule identifies adversary behavior involving the deployment of the php.shin_webshell backdoor to establish persistent access and execute arbitrary commands on compromised web servers. SOC teams should proactively hunt for these specific IOCs in Azure Sentinel because this high-severity threat enables attackers to maintain a covert foothold, facilitating lateral ...

  2026-09-25 10:02 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).

  2026-09-25 10:02 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 ...

  2026-09-25 10:02 UTC
• ThreatFox | zinury.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.

  2026-09-25 10:02 UTC
• ThreatFox | ue4dgglt0t.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.

  2026-09-25 10:02 UTC
• Shin_Webshell's Cloudflare Workers Rotation: The C2-in-Plain-Sight ...
  web:www.threatclaw.ai

  Cloudflare Workers, being serverless functions rather than traditional hosting, don't natively execute PHP. When attackers deploy php.shin_webshell to a worker domain , they exploit a different path than the QakBot-style native-C2 model.

  2026-09-25 10:02 UTC
• Cloudflare Workers as Covert C2: The php.shin_webshell "worker.botnet ...
  web:www.threatclaw.ai

  Endpoint: Hunt for newly dropped php*.shin* / webshell-named PHP files in web roots (Apache/nginx docroots, Tomcat webapps, IIS inetsrv). Blocking: Rather than IP-based deny, use allowlist-only egress for web traffic or DNS sinkhole worker.dev TLDs at the resolver where business-impact is acceptable.

  2026-09-25 10:02 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.

  2026-09-25 10:02 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 ...

  2026-09-25 10:02 UTC

Only Available for Registered Users. Sign in to view.