TF-1932581
medium
📛 Threat Title
php.shin_webshell: Domain that is used for botnet Command&control (C&C) lyqafuqi.workers.dev
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 02:34:28 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.
domain
lyqafuqi.workers.dev
UrlVoid 2 / 36
IOC database
- Type
- domain
- Value
lyqafuqi.workers.dev- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Domain that is used for botnet Command&control (C&C) attributed to php.shin_webshell
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (2)
- Malpedia profile ThreatFox IOCs
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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 02:34:28 UTC. Reporter: xscon. Tags: Cloudflare, gif, PHP, webshell, WordPress, workers.dev, wp-admin.
Remediations (10)
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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.
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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.
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web:threatfox.abuse.ch
This IOC is reference the injection webshell using Worker Clouflare, infected using polyglot file php over gif in WordPress.
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web:threatfox.abuse.ch
This IOC is reference the injection webshell using Worker Clouflare, infected using polyglot file php over gif in WordPress.
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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.
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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.
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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.
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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 ...
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web:www.threatclaw.ai
2.A small PHP dispatcher (the shin_webshell) that decodes/re-embeds PHP inside the GIF MIME boundary 3.The workers.dev name acting purely as a free, ephemeral, Cloudflare-issued domain that rotates faster than blocklists ingest it
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web:www.threatclaw.ai
The shin_webshell workers.dev cluster is a reminder that infrastructure capability is now a commodity — Cloudflare's free edge has become the attacker's rotating proxy tier, and domain -generation algorithms have migrated from .ru /.top to .workers.dev. Detection must shift from reputation-lookup to behavioral fingerprinting of the TLS edge ...
AI Forensic Analysis
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