Skip to main content
Mallory
MalwareUsed by 3 actorsExploits 6 CVEs

Predator

Predator is a commercial mobile spyware platform developed by Cytrox and later associated with the Intellexa consortium; the content specifically names Cytrox Holdings ZRT as the developer and describes Cytrox/Intellexa entities in North Macedonia, Hungary, Greece, Ireland, and related jurisdictions. It is repeatedly described as nation-state-grade spyware comparable to Pegasus and as part of a broader mercenary surveillance ecosystem. Citizen Lab, Meta, Google TAG, Cisco Talos, Amnesty International, and multiple media investigations are cited in connection with Predator.

The malware targets smartphones, including both Android and iPhone devices. The content states that Predator has been used against fully updated iPhones and can also target Android devices. Cisco Talos describes the Android spyware suite as comprising at least ALIEN and PREDATOR, with likely additional components named tcore and kmem. Talos states that ALIEN is not merely a loader but establishes low-level capabilities for PREDATOR, and that the suite is modular, allowing new Python-based modules to be delivered without repeated exploitation.

Reported infection vectors include malicious one-time links sent by SMS, WhatsApp, and public X posts; spoofed messages impersonating legitimate services; and exploit chains involving browser and kernel vulnerabilities. Citizen Lab reported a WhatsApp-delivered malicious link against iOS 14.6 devices in July 2021. Google researchers linked a PAC bypass technique to Cytrox Predator deployments and noted that baseband 0-days have been used to deploy Predator on smartphones. The content also describes a case in Greece where a spoofed SMS containing accurate COVID-19 vaccination appointment details delivered Predator. Predator is described in some reporting as requiring user interaction, unlike Pegasus, although other content notes advanced exploit-based deployment techniques.

Capabilities described across the sources include covert surveillance and full device compromise. The content states Predator can access messages, calls, photos, passwords, private messages, and real-time location; intercept communications; exfiltrate stored files and app data; activate the microphone and camera; and effectively turn a phone into a surveillance device. Cisco Talos adds Android-specific capabilities including arbitrary code execution, recording microphone, earpiece-call, and VoIP audio, collecting data from Signal, WhatsApp, Telegram, Chrome, contacts, calls, SMS, media, and Wi-Fi configuration files, installing attacker-controlled certificates for user-level TLS interception, hiding applications, and preventing selected apps from executing on reboot. Citizen Lab reported that on iPhone, Predator could persist across reboot by abusing Apple Shortcuts automations.

The content links Predator to widespread government use and abuse. Reported or alleged targeting includes journalists, opposition politicians, business leaders, civil society members, policy experts, U.S. officials, and senior government figures. Countries and contexts mentioned include Egypt, Greece, Serbia, Armenia, Indonesia, Madagascar, Oman, Saudi Arabia, Vietnam, the Philippines, Germany, Switzerland, Qatar, Congo, and attempted targeting of U.S. lawmakers and journalists by operators Amnesty assessed may be linked to Vietnamese authorities. Multiple reports center on the Greek Predator scandal, including targeting of Thanasis Koukakis, Nikos Androulakis, Artemis Seaford, politicians, journalists, and other public figures. Citizen Lab also reported Predator infections or targeting involving Egyptian exiles and Ahmed Eltantawy.

The malware is strongly associated with commercial spyware vendors Cytrox and Intellexa. Meta identified Cytrox as a surveillance-for-hire company and said it used infrastructure including domains mimicking legitimate news sites to target iPhone and Android users. U.S. Treasury sanctions cited in the content state that Intellexa’s Predator spyware was used to surveil U.S. officials, journalists, and policy experts, and sanctions were imposed on Intellexa consortium entities and executives including Tal Dilian and Sara Hamou. Additional sanctions later targeted other Intellexa-linked individuals and Aliada Group.

Indicators and artifacts directly mentioned in the content include Android paths /data/local/tmp/wd/pred.so and /data/local/tmp/wd/fs.db, use of an encrypted SQLite3 file named fs.db, and certificate installation into /data/misc/user/0/cacerts-added. Talos also describes execution across Android contexts including zygote64, system_server, installd, and audioserver, and use of binder hooking and ptrace/mmap-based injection. The content further notes that Lockdown Mode on Apple devices reportedly blocked Pegasus and Predator attacks, and Apple and independent researchers said they had not observed successful compromises of Lockdown Mode-enabled devices.

Share:
For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

EXPLOITED CVES

Vulnerabilities exploited

6 CVEs Mallory has correlated with this family across public research and vendor advisories. Each row links to the full Mallory page for that vulnerability.

6 CVES
CVE-2021-37976Information leak in Google Chrome memory_instrumentationExploited in the wild

The report describes how adversaries exploited five different zero-day vulnerabilities to deliver ALIEN... The vulnerabilities, which were discovered in 2021, are CVE-2021-37973, CVE-2021-37976, CVE-2021-38000, CVE-2021-38003 — all of which affect Google Chrome, and CVE-2021-1048 in Linux and Android. | Our research specifically looks at two components of this mobile spyware suite known as “ALIEN” and “PREDATOR,” which compose the backbone of the spyware implant.

via talosintelligence otherblog.talosintelligence.com
CVE-2021-1048Use-After-Free in Android Kernel eventpollExploited in the wild

We assess that QUAILEGGS likely exploits the aforementioned zero-day vulnerability CVE-2021-1048. Based on Google’s root cause analysis, this vulnerability allows code injection into privileged processes... According to the Linux kernel development git logs, the vulnerability was public since August 2020 and patched in September. However, some Google Pixel phones remained vulnerable until March 2021 and Samsung devices until at least October 2021. | Our research specifically looks at two components of this mobile spyware suite known as “ALIEN” and “PREDATOR,” which compose the backbone of the spyware implant.

via talosintelligence otherblog.talosintelligence.com
CVE-2021-38003V8 TheHole exception-handling bug leading to Chrome renderer RCEExploited in the wild

Our research specifically looks at two components of this mobile spyware suite known as “ALIEN” and “PREDATOR,” which compose the backbone of the spyware implant. | The report describes how adversaries exploited five different zero-day vulnerabilities to deliver ALIEN... The vulnerabilities, which were discovered in 2021, are CVE-2021-37973, CVE-2021-37976, CVE-2021-38000, CVE-2021-38003 — all of which affect Google Chrome, and CVE-2021-1048 in Linux and Android.

via talosintelligence otherblog.talosintelligence.com
CVE-2021-37973Use-after-free in Google Chrome Portals sandbox escapeExploited in the wild

The report describes how adversaries exploited five different zero-day vulnerabilities to deliver ALIEN... The vulnerabilities, which were discovered in 2021, are CVE-2021-37973, CVE-2021-37976, CVE-2021-38000, CVE-2021-38003 — all of which affect Google Chrome, and CVE-2021-1048 in Linux and Android. | Our research specifically looks at two components of this mobile spyware suite known as “ALIEN” and “PREDATOR,” which compose the backbone of the spyware implant.

via talosintelligence otherblog.talosintelligence.com
CVE-2021-38000Insufficient validation of untrusted input in Chrome for Android IntentsExploited in the wild

Our research specifically looks at two components of this mobile spyware suite known as “ALIEN” and “PREDATOR,” which compose the backbone of the spyware implant. | The report describes how adversaries exploited five different zero-day vulnerabilities to deliver ALIEN... The vulnerabilities, which were discovered in 2021, are CVE-2021-37973, CVE-2021-37976, CVE-2021-38000, CVE-2021-38003 — all of which affect Google Chrome, and CVE-2021-1048 in Linux and Android.

via talosintelligence otherblog.talosintelligence.com
CVE-2026-20700Apple dyld user-mode PAC bypass and memory corruption

"Intellexa’s Predator spyware can suppress Apple’s built-in camera and microphone indicators on compromised devices."

via techrepublic com securitytechrepublic.com
THREAT ACTORS

Groups observed using it

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

View more details
Cytrox

Google researchers say is the exact technique used by North Macedonian spyware developer Cytrox to install its Predator spyware. Citizen Lab previously released a report highlighting widespread government use of the Predator spyware.

via techcrunch com securitytechcrunch.com
Intellexa

Intellexa’s phone spyware, dubbed Predator, to authoritarian governments. Predator can be used to hack into fully patched phones nearly invisibly, allowing the organization that deployed the spyware to obtain complete access to the target’s device, including their private messages and real-time location.

via techcrunch com securitytechcrunch.com
Intellexa Consortium

The development comes a little over a month after a Greek court sentenced Tal Dilian, the founder of the Intellexa Consortium, and three associates ... for their role in the illegal use of the vendor's Predator spyware to target politicians, business leaders, and journalists in the country.

via the hacker newsthehackernews.com
MITRE ATT&CK

Techniques & procedures

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

Reconnaissance

1 technique
T1589Gather Victim Identity InformationEvidence1

The details for the vaccination appointment in the infected text message were correct, indicating that someone had reviewed the authentic earlier confirmation and drafted the infected message accordingly.

T1587.001MalwareEvidence1

there had been an attempt to infect his phone with Predator, a piece of surveillance software developed by Cytrox, now part of Greek company Intellexa.

Initial Access

4 techniques
T1189Drive-by CompromiseEvidence2

If a target clicked on the malicious web links, they would have been directed to a landing page “identical to the one TAG examined in the Heliconia framework developed by commercial spyware vendor Variston.”

T1190Exploit Public-Facing ApplicationEvidence5

The hackers used a set of vulnerabilities chained together and delivered via one-time web links sent to the targets by text message.

T1566PhishingEvidence1

A 2023 investigation by news outlets working with the European Investigative Collaborations group found that Vietnamese officials tried to hack U.S. politicians and journalists using Predator spyware.

T1566.002Spearphishing LinkEvidence3

Citizen Lab said Nour was sent a malicious link over WhatsApp. When opened, the spyware can access a phone’s cameras and microphone and can exfiltrate the phone’s data.

Execution

3 techniques
T1203Exploitation for Client ExecutionEvidence3
TacticExecution

From a technical perspective, such spyware campaigns often rely on zero-click exploits, baseband vulnerabilities, or malicious configuration profiles to gain persistent access to mobile systems.

T1574Hijack Execution FlowEvidence1

From a technical perspective, such spyware campaigns often rely on zero-click exploits, baseband vulnerabilities, or malicious configuration profiles to gain persistent access to mobile systems.

T1574.006Dynamic Linker HijackingEvidence1

Hooking the ioctl() API in the libbinder.so using an open-source library called xHook is one of the means it uses to communicate with PREDATOR... ALIEN attempts to hook the following APIs in the audio libraries being used by a process.

Persistence

1 technique
T1546Event Triggered ExecutionEvidence1

Citizen Lab said the spyware can survive a reboot of an iPhone — typically clearing any spyware lurking in its memory — by creating an automation using the Shortcuts feature built into iOS.

T1055Process InjectionEvidence1

For example, the implant can inject code that was read earlier from “/system/fonts/NotoColorEmoji.ttf” into the system_server process memory for execution... The overall injection process is achieved using ptrace() and mmap() to inject the code into the target process.

T1068Exploitation for Privilege EscalationEvidence1

For privilege escalation, the spyware is configured to use a method called QUAILEGGS, or, if QUAILEGGS is not present, it will use a different method called “kmem.” ... We assess that QUAILEGGS likely exploits the aforementioned zero-day vulnerability CVE-2021-1048.

T1546Event Triggered ExecutionEvidence1

Citizen Lab said the spyware can survive a reboot of an iPhone — typically clearing any spyware lurking in its memory — by creating an automation using the Shortcuts feature built into iOS.

T1548Abuse Elevation Control MechanismEvidence1

Each of these call chains set up a process structure used to intercept specific ioctl commands, where the spyware uses the functionality of that process to abuse the SELinux context to grant different functionality to the other processes.

Stealth

7 techniques
T1036MasqueradingEvidence2
TacticStealth

Most of the posts on X ... 'often included links that mimicked news sites.'

T1055Process InjectionEvidence1

For example, the implant can inject code that was read earlier from “/system/fonts/NotoColorEmoji.ttf” into the system_server process memory for execution... The overall injection process is achieved using ptrace() and mmap() to inject the code into the target process.

T1070Indicator RemovalEvidence1
TacticStealth

If tcore fails to load, the loader deletes the downloaded encrypted SQLite3 file. It first tries to delete the file, and if that fails, attempts to open the file for write operations and write zero bytes to it to wipe it clean.

T1564Hide ArtifactsEvidence1
TacticStealth

The DEX file thus uses these hooks for two key purposes: Hiding Applications/packages : The plugin in the DEX can hook and filter out a specific package/application name from the list of installed packages and applications.

T1574Hijack Execution FlowEvidence1

From a technical perspective, such spyware campaigns often rely on zero-click exploits, baseband vulnerabilities, or malicious configuration profiles to gain persistent access to mobile systems.

T1574.006Dynamic Linker HijackingEvidence1

Hooking the ioctl() API in the libbinder.so using an open-source library called xHook is one of the means it uses to communicate with PREDATOR... ALIEN attempts to hook the following APIs in the audio libraries being used by a process.

T1620Reflective Code LoadingEvidence1
TacticStealth

During the initialization, it starts the download and calls its main_exec() function by importing it using dlsym(), thus initializing the main component of the spyware.

Credential Access

3 techniques
T1056.001KeyloggingEvidence1

Once deployed, the spyware can access encrypted messaging apps, capture keystrokes, activate microphones and cameras, and exfiltrate stored files.

T1555Credentials from Password StoresEvidence1

The Predator malware has the ability to access every message, call, photo, and password on a mobile phone, as well as the ability to open the phone’s camera and microphone – turning any device into a mobile surveillance bug.

T1649Steal or Forge Authentication CertificatesEvidence2

From a technical perspective, such spyware campaigns often rely on zero-click exploits, baseband vulnerabilities, or malicious configuration profiles to gain persistent access to mobile systems.

Discovery

1 technique
T1082System Information DiscoveryEvidence1
TacticDiscovery

The spyware uses a variety of sources to gather information about the system. It will enumerate various directories on the file system and read multiple files to extract as much statically available data from the infected device.

Collection

5 techniques
T1005Data from Local SystemEvidence6

Once deployed, the spyware can access encrypted messaging apps, capture keystrokes, activate microphones and cameras, and exfiltrate stored files.

T1056.001KeyloggingEvidence1

Once deployed, the spyware can access encrypted messaging apps, capture keystrokes, activate microphones and cameras, and exfiltrate stored files.

T1123Audio CaptureEvidence4

The operation involved the implantation and activation of malicious software capable of extracting sensitive data, intercepting communications, and conducting unauthorized audio and video recordings.

T1125Video CaptureEvidence3

The operation involved the implantation and activation of malicious software capable of extracting sensitive data, intercepting communications, and conducting unauthorized audio and video recordings.

T1213Data from Information RepositoriesEvidence2

The operation involved the implantation and activation of malicious software capable of extracting sensitive data, intercepting communications, and conducting unauthorized audio and video recordings.

T1105Ingress Tool TransferEvidence1

The ALIEN component configuration contains the URL to download the PREDATOR component... If needed, it will download the PREDATOR component from a hosting site defined in the configuration.

Exfiltration

1 technique
T1041Exfiltration Over C2 ChannelEvidence2

The agency stated that the campaign was orchestrated by unidentified foreign intelligence services and aimed at covert surveillance and data exfiltration.

INDICATORS OF COMPROMISE

IOCs tracked for this family

742 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.

View more in app
Other
742 tracked

Other indicator types observed in public reporting.

TypeValueLatest sighting
uri●●●●●●●●●●●●View more in app4 years ago
uri●●●●●●●●●●●●View more in app4 years ago
uri●●●●●●●●●●●●View more in app4 years ago
uri●●●●●●●●●●●●View more in app5 years ago
uri●●●●●●●●●●●●View more in app5 years ago
uri●●●●●●●●●●●●View more in app5 years ago
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.
IOC matching742

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

Threat actor attribution3

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

Exploited vulnerabilities6

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 mapping27

Every documented technique, ranked by evidence weight.

Researcher chatter

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