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Mallory
5 malware families

Smishing Triad

Also known asSmishing Triad

Smishing Triad is a Chinese-speaking / China-linked, financially motivated cybercriminal ecosystem and phishing-as-a-service (PhaaS) operation active since at least 2023. Google refers to the group behind its Lighthouse platform as the "Lighthouse Enterprise." The group is associated with large-scale SMS phishing and broader mobile-message phishing campaigns targeting users globally, including victims in more than 120 countries. Reported lures include fraudulent toll violation notices, package delivery failures, unpaid fee alerts, fraud alerts, and other brand-impersonation themes designed to harvest credentials, banking information, payment card data, Social Security numbers, and other sensitive information. The operation is tied to phishing kits and sub-ecosystems including Lighthouse, Darcula, Lucid, and related activity described as part of the same loosely connected China-based smishing ecosystem. Content also states CoGUI shares similarities with this ecosystem, and Panda Shop builds on tactics originally associated with Smishing Triad; however, Panda Shop is described as a separate China-based smishing platform rather than explicitly as a formal subgroup. Lighthouse is repeatedly described as an offering from Smishing Triad, and Google’s reporting names the operators the "Lighthouse Enterprise." Darcula is described as operated by Smishing-Triad and used for global mass-targeting smishing via SMS, RCS, and iMessage. Targets and impersonation themes span toll road agencies, USPS and other postal/delivery services, banks, healthcare organizations, online payment platforms, law enforcement, social media services, cryptocurrency exchanges, investment and brokerage firms, government services, telecom providers, and regional service providers. Specific impersonated brands and entities mentioned in the content include E-ZPass, USPS, UPS, DHL, Google, Gmail, YouTube, Google Play, TikTok, UnionPay, GOV.UK, Egypt Post, Fawry, and Careem. Reporting also notes expansion into Egypt through spoofed domains targeting major Egyptian service providers. Tactics and tradecraft described in the content include mass smishing through SMS, Apple iMessage, Android RCS, and use of compromised Apple iCloud accounts to bypass filters; rapid domain churn; large-scale malicious domain registration; use of phishing templates and site-building tooling; Telegram-based promotion, administration, and support; infrastructure rotation and evasion features to reduce browser-warning and Safe Browsing exposure; and regional tailoring of lures using large datasets. Palo Alto Networks Unit 42 describes the ecosystem as highly decentralized, with specialized roles including phishing-kit developers, data brokers, domain sellers, hosting providers, spammers, liveness scanners, and blocklist scanners. Infrastructure and tooling details directly mentioned include use of Lighthouse to generate and deploy smishing attacks at scale; use of hundreds of counterfeit templates, including more than 100 Google-themed templates; and rapid creation of fraudulent websites. Unit 42 traced roughly 194,000-195,000 malicious domains since January 2024 to Smishing Triad activity, with USPS the most impersonated single service and toll services the largest impersonated category. Breakglass Intelligence reported the operation remained active at scale in 2026 and identified a Javalin/Kotlin-based phishing kit hosted on Alibaba Cloud in Singapore, using server-side Telegram exfiltration, wildcard DNS, rapid Let’s Encrypt issuance, Host-header-based routing, and a WebSocket admin panel. That reporting attributes Lighthouse and core tooling to Wang Duo Yu and states an obfuscated backdoor in distributed kit code exfiltrated operators’ Telegram bot tokens to infrastructure controlled by Wang Duo Yu, giving access to stolen victim data from kit deployments. The group has been linked to significant fraud outcomes. Google stated Lighthouse-related activity harmed more than 1 million victims globally and alleged theft of between 12.7 million and 115 million U.S. payment cards. Additional reporting ties Smishing Triad activity to carding, merchant fraud, brokerage-account targeting, and stock manipulation schemes after account compromise. Chainalysis highlighted an E-ZPass phishing campaign attributed to the group as part of broader industrialized fraud trends. Known aliases and related names directly mentioned in the content include Smishing-Triad and Lighthouse Enterprise.

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MITRE ATT&CK

Tradecraft

10 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

4 of 15 tactics16 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0042
Resource Development
3 techniques
T1583
Acquire Infrastructure
T1583.001
Domains
T1583.003
Virtual Private Server
T1585
Establish Accounts
T1585.002
Email Accounts
T1608
Stage Capabilities
T1608.005
Link Target
TA0001
Initial Access
2 techniques
T1199
Trusted Relationship
T1566
Phishing
T1566.001
Spearphishing Attachment
T1566.002
Spearphishing Link
T1566.003
Spearphishing via Service
TA0005
Stealth
1 technique
T1036
Masquerading
T1036.005
Match Legitimate Resource Name or Location
TA0010
Exfiltration
1 technique
T1567
Exfiltration Over Web Service
T1567.003
Exfiltration to Text Storage Sites
IOCS

Observables

22 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.

IOC values are gated. View more in Mallory for domains, IPs, hashes, and other artifacts, or pipe them straight into your SIEM.

ACTIVITY FEED

Recent activity

20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

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Target overlap

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Tradecraft mapping10

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal5

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables22

Domains, IPs, and hashes tied to this actor, refreshed continuously.

Smishing Triad | Mallory