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Vincent Yiu
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Vincent Yiu
@vysecurity
Director, Red Team / Offensive Security. Help organizations safeguard their businesses from the bad guys.
Hong Kong Katılım Aralık 2014
331 Takip Edilen31.6K Takipçiler
Vincent Yiu retweetledi
Vincent Yiu retweetledi

During pentests we often have to deal with tasks that can be automated. Some of the best tools for this are ADScan and ADPulse.
ADScan performs both enumeration and attack and is capable of analyzing BloodHound data to guide you through the pentest. It works with and without AD creds and can compromise some labs in just 3-5 minutes
hackers-arise.com/offensive-secu…
@three_cube @_aircorridor #pentesting #redteam

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Vincent Yiu retweetledi

new repo: Cheshire 🐱
Adaptix C2 service plugin that lets you test payloads against LitterBox without leaving the Adaptix client. pick a file, click run, see what fires across static, dynamic, and EDR.
github.com/BlackSnufkin/C…
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Vincent Yiu retweetledi

This might be one of the most elegant LLM exploits
Grok got prompt injected, and the attacker managed to get 3B DRB worth $175k sent to a wallet they control
Crazy!
Bankr@bankrbot
@grok @Ilhamrfliansyh done. sent 3B DRB to . - recipient: 0xe8e47...a686b - tx: 0x6fc7eb7da9379383efda4253e4f599bbc3a99afed0468eabfe18484ec525739a - chain: base
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Vincent Yiu retweetledi
Vincent Yiu retweetledi
Vincent Yiu retweetledi

Critical & high vulns in MOVEit Automation enable auth bypass + priv esc via backend command ports.
CVE-2026-4670
CVE-2026-5174
MOVEit has been targeted by ransomware groups in the past in mass exploitation campaigns.
community.progress.com/s/article/MOVE…
@watchtowrcyber

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Vincent Yiu retweetledi

Advanced SSRF exploitation techniques are explained in detailed guides.
They include bypass methods and cloud metadata attacks.
Read @jpablo13/ssrf-master-guide-exploitation-and-mitigation-strategies-e8b6a5d415bd" target="_blank" rel="nofollow noopener">medium.com/@jpablo13/ssrf…
#BugBounty #SSRF #CyberSecurity #Research
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Vincent Yiu retweetledi

if you run ollama on apple silicon and haven’t updated past v0.19, you’re leaving 2x performance on the table.
ollama switched from llama.cpp to apple’s MLX framework. people are reporting 7x decode speed improvements on M4.
I run hermes on a mac mini M4. updating ollama was the single biggest performance gain I got this month without spending money.
qwen3.5-9B went from sluggish to genuinely usable as a daily driver.
ollama --version and update if you’re behind.
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@so_ainsight А электричество он где взял? На 11 часов батареи не хватит
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Vincent Yiu retweetledi
Vincent Yiu retweetledi

The RansomISAC published regarding "Zhengzhou 403 Network Technology Co., Ltd.", a cert we reported in 2025 after it was used to sign CobaltStrike. Their investigation seemed like a wild adventure, check it out.
ransom-isac.org/blog/dragonbre…
1/3
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Vincent Yiu retweetledi

Microsoft Defender detected and protected customers against a new software supply chain compromise affecting the "pytorch-lightning" package and immediately reported the issue to the repository maintainers for takedown: msft.it/6013vJisb.
At the time the compromised packages were identified and distributed, Microsoft Defender had proactive detections that blocked the malicious files as Trojan:JS/ShaiWorm.DQ!MTB. For protected environments, Microsoft Defender for Endpoint raised the alert "ShaiWorm malware was prevented".
Our assessment indicates that Microsoft continues to provide strong protection coverage and has prevented observed activity indicating attempts to install the modified packages. Microsoft Defender continues to monitor for potential follow-on activity, including suspicious use of potentially exposed cloud credentials across major cloud platforms.
Observed activity remains limited to a small number of devices and appear contained to a narrow set of environments. We are also investigating container-based telemetry and registry-related signals that may indicate potential compromise in some scenarios.
Microsoft continues to monitor and investigate the issue, with layered protections, broad prevention coverage, and ongoing hunting efforts in place. We will share updates as more information becomes available.
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Vincent Yiu retweetledi

🚨 Cybersecurity firm Trellix confirms a breach.
Attackers accessed part of its source code repository; no exploitation or release impact found. Investigation ongoing with forensic experts and law enforcement.
Details ➜ thehackernews.com/2026/05/trelli…
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Vincent Yiu retweetledi

🚨BREAKING : Call centers are officially dead.
ElevenLabs Agents quietly wiped out the $40B customer support industry.
→ Sounds human in 70+ languages
→ Books, updates, closes tickets mid-call
→ Plugs into GPT, Claude, Gemini, any LLM
→ $0.08/min, startups get $4K free
Revolut, Cisco, Deliveroo already switched.
You're next 🧵
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Vincent Yiu retweetledi

@Octoberfest73 I remember you once posted a quirk of impacket that could be used as an ioc so I thought you’d like this list of 50+ impacket IOCs😄 github.com/ThatTotallyRea…
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