MalwareUsed by 2 actors

Up Yours 4.0

For your environment

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THREAT ACTORS

Groups observed using it

2 distinct threat actors attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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Global kOS

The media wants the whole story of denial of service, Up Yours 3.0, the new release... Up Yours 4.0 might be used to crash the mail server for an entire ISP... Hacker slates release of new cyberterrorism program for Easter 1997.

via web archiveweb.archive.org

Technophoria

via web archiveweb.archive.org

MITRE ATT&CK

Techniques & procedures

5 distinct techniques documented for this family, organized by ATT&CK tactic.

Resource Development

1 technique

T1585.001Social Media AccountsEvidence1

TacticResource Development

features include a "Usenet spammer" and "Pop3 hacker"

Stealth

1 technique

T1564Hide ArtifactsEvidence1

TacticStealth

Like 3.0, version 4.0 will run under Windows 95 or Windows NT and enables users to hide their identities so they can evade prosecution.

Impact

3 techniques

T1498Network Denial of ServiceEvidence1

TacticImpact

Last week Infowar.com announced that a new Denial of Service program, Up Yours 4.0 was to be released on Easter Sunday.

T1498.001Direct Network FloodEvidence1

TacticImpact

Up Yours 4.0 will add two automated attack programs to its arsenal. It will automate the syn flood attacks that closed the New York City-based Panix Internet Service Provider for a week starting Sept. 6, 1996...

T1499Endpoint Denial of ServiceEvidence2

TacticImpact

...and add a new attack based on tricking a targeted computer into using up all its processing power by pouring out streams of nonsense characters into the Internet. | The media wants the whole story of denial of service, Up Yours 3.0, the new release...

ACTIVITY FEED

Recent activity

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

1 SOURCESView more in app

web archiveNews

Mar 24, 1997

OTRiCS - On The Road in CyberSpace - Hackers

A named attack tool described as a denial-of-service program for Windows 95/NT. The content says it could crash ISP mail servers, automate SYN flood attacks, and add another resource-exhaustion attack using streams of nonsense characters.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.

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IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution2

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

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

MITRE ATT&CK mapping5

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.