Endpoint Detection and Response (EDR) tools are positioned as guardians against sophisticated threats. Yet, a vicious one-two punch combination is unfolding in real-time: EDR misses subtle initial intrusions (ie, ‘the jab’), allowing credential theft that empowers attackers to blind or disable the EDR tools meant to stop them (ie, ‘the knockout’). This ‘combination’ isn't theoretical—it's driving record-breaking breaches in 2025, with dwell times stretching to weeks and costs soaring into the millions. Understanding the tactics, techniques, and procedures (TTPs) behind it reveals a terrifying reality that demands an urgent ADDITION of proactive defenses that block malicious actions missed by EDR.

The Escalating Crisis: Breaches on the Rise Despite EDR Investments

Cyber breaches in 2025 continue to grow with no signs of slowing. The Identity Theft Resource Center (ITRC) reported 1,732 data compromises in the first half alone, an 11% increase year-over-year, impacting millions.1 Globally, the average data breach cost has hit $4.4 million, up 10% from 2024, according to IBM's Cost of a Data Breach Report.2 Cybercrime damages are projected to reach $10.5 trillion this year, growing 15% annually, as per Cybersecurity Ventures.3 Ransomware, often the endpoint of this ‘one-two punch’, surged 179% in the first half, with 65 active groups tracked in Q2 alone.4 Sophos pegs recovery costs at $1.5 million excluding ransoms, while 76% of organizations face at least one attack yearly.5

These aren't abstract numbers—they're the fallout from undetected intrusions. Mandiant's M-Trends 2025 reveals a median dwell time of 11 days (up from 10), extending to 26 days when not detected internally, giving attackers free rein for exfiltration (70% of cases).6 Verizon's 2025 DBIR analyzed 12,195 breaches, noting a 43% rise overall, with ransomware in 44%—up 37%.7 Healthcare saw 276 million records exposed in the US last year, averaging 758,288 daily in 2025.8 The ITRC tallies over 3,200 US compromises from 2005-2024, but 2025's pace suggests shattering records.9

High-profile disasters amplify the panic: AT&T's 2025 breach exposed millions via third-party vulns; Co-op stole data from 6.5 million using credentials; Snowflake (165 victims) stemmed from infostealers harvesting credentials since 2020.10 MGM Resorts (Scattered Spider) and Change Healthcare ($1B+ impact) started with social engineering and credentials, escalating unchecked.11 In Europe, 67-74% of medium/large businesses breached, with third-party involvement at 30%.12 This isn't bad luck—it's a systemic failure in detection, turning enterprises into sitting ducks.

The EDR 'One-Two-Punch', from Bad to Worse

Step 1: EDR Misses the Initial Intrusion – ‘The Jab’
Step 2: Credential Theft – Setting up the Next Punch
Step 3: Blinding/Disabling EDR – The 'Knockout-Punch', Chaos Spreads

Step 1: EDR Misses the Initial Intrusion – ‘The Jab’

The 'One-Two-Punch' combination begins with EDR's blind spots during initial access. EDR relies on behavioral patterns, but 2025 attackers exploit gaps with surgical precision. Mandiant reports 34% of 2024 intrusions had unknown vectors, signaling logging/detection deficiencies.13 Common TTPs:

Phishing and Infostealers (T1566/T1555): Entry via emails or drive-bys, deploying stealers like VIDAR, LUMMA, REDLINE (up 800% in six months).14 EDR weakness: Misses subtle injections or memory ops; 88% of basic web application attack breaches use stolen credentials.15
Vulnerability Exploitation (T1190): Zero-days in edges/VPNs (up 34%), like CVE-2024-30078 (Windows Wi-Fi driver).16 EDR fails when patches are missing or not available; 20% initial access via exploits.17
Living-off-the-Land (T1218): 95% attacks mimic legit tools pre-installed on endpoints.18 EDR detection fails because of noise and obfuscation (T1027) in 37.3% cases.19
Evasion Tactics (T1562/T1070): DLL side-loading, unhooking (88-94% success in cutting off telemetry of running applications sent to the EDR), BYOVD (Bring Your Own Vulnerable Driver), io_uring (RingReaper).20 EDR hooks bypassed (i.e., blinded); 20.1% impair defenses.21

Skills gaps (87% breaches linked) and alert fatigue compound this; identification takes 194 days.22 Imagine: A phishing click goes unnoticed, infostealer harvests credentials in minutes—your network's doom sealed before an alert fires. Despite analytics advances and “AI” hype, EDR’s are only as good as the people using them, and humans are flawed and get tired.

Step 2: Credential Theft – Setting up the Next Punch

Once inside, attackers prioritize credentials—the keys to your kingdom. Theft surges 160-800% in 2025, initiating 16-22% intrusions.23 However, not all stolen credentials are equal in their potential to harm EDR. Windows account credentials with elevated privileges (e.g., domain admin or local SYSTEM access) are the most dangerous, as they grant attackers the authority to directly manipulate or disable EDR agents on the endpoint. These include NTLM hashes, Kerberos tickets, or admin passwords stored in LSASS memory or SAM databases, enabling escalation to tamper with security settings. In contrast, other credentials—such as non-privileged Windows user accounts, cloud API keys (e.g., AWS IAM tokens), or application-specific credentials (e.g., browser-stored JWTs or SSO tokens)—typically cannot directly affect EDR. They may enable lateral movement, data access, or further reconnaissance but lack the privileges to blind or disable endpoint tools, limiting their role to amplifying the intrusion rather than closing the 'One-Two-Punch' on defenses. TTPs:

OS Credential Dumping (T1003): 14.5% cases; LSASS (2.5%), NTDS (6.6%).24 Tools: Mimikatz (18%).25
Unsecured Credentials (T1552): 9.3%; registry/private keys (1.8%).26
Brute Force (T1110): 6.3%; guessing/spraying.27
MFA Interception (T1111): 7.7%; ‘adversary-in-the-middle’.28

EDR weaknesses: Misses memory dumps or silent exfiltration (e.g., NtOpenKeyEx + SeBackupPrivilege + RegQueryMultipleValuesW).29 86% breaches use stolen credentials; 30% enterprise devices compromised.30 Panic sets in: Stolen admin credentials mean attackers can hijack your Windows domain and steal data while you sleep.

Step 3: Blinding/Disabling EDR – The 'Knockout-Punch', Chaos Ensues

With credentials (especially privileged Windows ones), attackers target EDR: Disablement in 13.3% cases, blinding via impair (20.1%).35 TTPs:

Impair Defenses (T1562): Terminate processes, unhook.36
Indicator Removal (T1070): Delete files/logs.37
Hide Artifacts (T1564): Hidden files/windows.38
EDR-on-EDR Violence: Abuse trials to kill rivals.39

EDR weaknesses: the hooks EDRs insert into computing processes to acquire behavior telemetry are vulnerable; command-line obfuscation bypasses all tested tools.40 9-22% incidents disable tools; evasion 88-94%.41

The “'One-Two-Punch'”:

EDR misses entry → Windows credential theft → EDR blindness or termination → EDR knocked out.
Your EDR? A false sense of security, turning minor slips into catastrophes.

The Human Factor: Skills Gaps and Fatigue Amplify the Horror

87% breaches tie to skills shortages; identification 194 days.46 Alert fatigue from false positives; 68% orgs hit despite EDR. AI/LLM tactics (Black Basta) and cloud pivots (no EDR) blind further.47 95% of breaches involve human error. Your defenders get overwhelmed.48 The clock ticks—next breach could be yours, reputation shattered, fines crippling.

Beating the 'One-Two-Combination': Why Proactive Controls Are Your Lifeline

This 'One-Two-Punch' combination can be defeated with an additional defensive layer that enforces zero-trust controls, blocking actions without detection dependency. The policies for these controls are designed to block malware techniques (aka., TTPs).

AppGuard Blocks Punches EDR Misses

AppGuard delivers this by crippling malware TTPs through Launch, Containment, and Isolation Controls—preventing intrusions, theft, and disablement without having to detect malware. AppGuard succeeds with SoHo’s up to and including large enterprises. For example, on 40,000+ endpoints at a major airline, zero successful attacks since 2019, SOC hours down 66%, savings are over $750K yearly.

AppGuard's Controls in Action: Blocking the 'One-Two-Punch Combination ' TTPs

AppGuard doesn't wait for detection—it proactively halts the 'One-Two-Punch' at multiple stages. This is just a sampling of how AppGuard blocks these TTPs, providing proactive protection without relying on detection—for a more comprehensive overview, see the appendix below:

Against Credential Theft TTPs (Step 2): Launch Controls block untrusted dumpers like Mimikatz from executing, preventing reads from LSASS or NTDS.dit. Containment Controls restrict apps (e.g., browsers) from writing dumps or searching unsecured files/registry. Isolation Controls prevent brute force tools from accessing auth endpoints, limiting MFA interception by containing interactions.
Against Blinding/Disabling TTPs (Step 3): Launch Controls stop impair tools (EDRKillShifter) from running and restrict loading of DLL files to prevent unhooking. Containment Controls block writes to memory (e.g., memory write operations that inject code or add references to external code), registry for unhooking or deletions, thwarting indicator removal. Isolation Controls hide critical processes from hidden artifacts or rival EDR installs, ensuring defenses stay intact.

Conclusion

Act now before the 'One-Two-Punch' combination on your EDR puts you down for the count. Deploy AppGuard alongside your EDR. For The appendix below has some additional information on the TTPs and how AppGuard blocks them. For yet more, Contact Us to request more information and/or a demo from an AppGuard partner. Subscribe for blog updates.

Appendix:

Deep Dive: TTPs in Credential Theft – Actors Processes and their Targets

To grasp the urgency, let's dissect the TTPs in Step 2, focusing on actor processes (direct: malicious tools; indirect: legit abused) and target objects (read/written).

OS Credential Dumping (T1003): Direct actor examples: Mimikatz, lsadump.exe; indirect actor examples: PowerShell.exe (system process abused). Targets: Reads LSASS memory, SAM hives (SYSTEM, SECURITY), NTDS.dit files; writes dump files (e.g., .dmp) for exfiltration.
- The actor processes here intend to extract sensitive authentication data from the target objects, such as pulling passwords or hashes from memory (eg, LSASS) or files (eg, NTDS.dit), to reuse them for unauthorized access elsewhere in the network. They do this because these credentials allow attackers to move laterally without raising alarms, impersonating legitimate users and extending their foothold—ultimately aiming to escalate privileges for bigger payoffs like data theft or ransomware deployment.31
Unsecured Credentials (T1552): Direct actor exampless: Custom scripts, credential scanners; indirect actor examples: reg.exe, findstr. Targets: Reads files (e.g., unattended.xml, web.config), registry paths (HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication); minimal writes (temp logs).
- Actor processes scan and read exposed credentials from configuration files or registry entries where they've been carelessly stored, intending to harvest them for reuse in attacks. The motivation is efficiency: Attackers exploit human errors in storage to quickly gain access without brute force, enabling them to pivot to high-value targets like servers or admin accounts, accelerating the breach timeline and minimizing detection risk.32
Brute Force (T1110): Direct actor examples: Hydra, Hashcat; indirect actor examples: net.exe, RDP clients.
- Actor processes repeatedly try password combinations against login interfaces, reading response codes to identify valid credentials, while writing logs to track progress. They pursue this to crack weak or reused passwords, gaining entry without sophisticated tools—driven by the high success rate against poorly enforced policies, allowing rapid escalation and control over compromised systems.33
MFA Interception (T1111): Direct actor examples: AiTM proxies (Evilginx); indirect actor examples: browsers, SIM tools. Target examples: Reads network packets (MFA responses); writes captured data to files for replay.34
- Actor processes intercept and read authentication traffic in real-time, capturing MFA tokens or codes as they are generated or entered, with writes storing them for later use. The intent is to defeat modern defenses like MFA, which attackers view as a barrier to privileged access—motivated by the ability to maintain persistence in environments where single-factor auth is insufficient, leading to deeper network infiltration.

These TTPs exploit EDR's focus on patterns, reading sensitive objects silently while writing minimal traces—your credentials vanish before you notice.

Deep Dive: TTPs in Blinding/Disabling EDR – Actors, Processes, and Targets

The final nail: Dissecting Step 3 TTPs reveals how attackers erase their tracks, with actor processes altering targets, enabling blindness or termination.

Impair Defenses (T1562): Direct actor examples: EDRKillShifter, scripts; indirect actor examples: taskkill.exe, sc.exe.
- Actor processes aim to modify or terminate EDR components by writing alterations to memory or registry settings, effectively neutralizing the tool's monitoring capabilities. They do this to prevent EDR from collecting telemetry on ongoing activities—ensuring the defender remains blind to their activities.42
Indicator Removal (T1070): Direct actor examples: Custom wipers; indirect actor examples: del, rm commands.
- These processes delete or overwrite logs and files that could alert defenders, writing changes to erase evidence from event logs or directories. The purpose is to cover tracks after compromise, driven by the desire to prolong dwell time—some registry alterations disable logging that helps EDR detect anomalies, making future actions invisible and allowing attackers to persist without interference.43
Hide Artifacts (T1564): Direct actor examples: attrib.exe, bind mounts; indirect actor examples: cmd.exe, PowerShell.exe.
- Actor processes conceal malicious files or processes by writing hidden attributes or creating obscured mounts, reading back to confirm success. This hides persistence mechanisms—preventing EDR from spotting anomalies during restarts or scans, ensuring long-term control over the endpoint.44
EDR-on-EDR Violence (not yet specified in Mitre ATT@CK): Direct actors: Competing EDR installers; indirect: setup.exe.
- Actor processes exploit rival EDR setups to terminate existing ones, writing conflicting policies or killing agents while reading configuration data to precisely impair detection. The intent is to replace or neutralize defenses, driven by the need for unchallenged access—others can prevent an EDR from running when a host restarts, turning reboots into opportunities for attackers to regain control undetected.45

These TTPs weaponize privileged access, writing to critical objects while EDR watches helplessly—your defenses crumble from within.

AppGuard Stopping the 'One-Two-Punch Combination' on Your EDR

TTP #/Name	What Actor Processes do to Targets	How AppGuard Stops TTPs
T1003 - OS Credential Dumping	Actor processes extract sensitive authentication data from targets like LSASS memory or NTDS.dit files, intending to harvest passwords or hashes for reuse; motivated by lateral movement without alarms.	Launch Controls block dumpers like Mimikatz from executing; Isolation and/or Containment controls block reads to LSASS, preventing extraction.
T1552 - Unsecured Credentials	Processes scan and read exposed credentials from files or registry entries, intending to harvest them for quick access; motivated by exploiting storage errors to pivot without brute force.	Select Isolation Controls block reads to protected registry paths (application specific tuning required).
T1110 - Brute Force	Processes try combinations against login interfaces, reading responses and writing logs; motivated by cracking weak passwords for rapid entry.	Launch Controls prevent brute force tools from running; Containment Controls block intermediate write actions to sensitive places that might lead to brute force activities.
T1111 - MFA Interception	Processes capture MFA codes/tokens from memory/files; motivated by bypassing secondary verification for full impersonation.	Containment and Isolation Controls block reads to browser memory where MFA data is held; Containment restricts writes to files for replay.
T1562 - Impair Defenses	Processes modify/terminate EDR by writing to memory/registry, intending to neutralize monitoring; motivated by undetected operations.	Launch Controls stop impair tools; Containment blocks memory writes (e.g., injections/references) and registry alterations; and optional Isolation Controls can protect select EDR objects from other processes.
T1070 - Indicator Removal	Processes delete/overwrite logs/files, writing to erase evidence; motivated by prolonging dwell time—disabling EDR logging.	Containment Controls block writes to event logs/filesystem; optional Isolation Controls can protect log objects from unauthorized deletions or alterations.
T1564 - Hide Artifacts	Processes conceal files by writing hidden attributes/mounts, intending to hide persistence; motivated by evading scans/restarts.	Containment restricts attribute modifications; optional Isolation Controls block writes operations to select targets.
EDR-on-EDR Violence (under T1562.001 - Disable or Modify Tools)	Processes abuse rival EDR installs to kill existing ones, writing policies and killing agents; motivated by unchallenged access—preventing EDR restarts.	Launch Controls block rival installers; EDR-specific Isolation and Containment Controls (optional) block or disrupt unauthorized changes to select targets.

For a high-level overview of how AppGuard addresses these TTPs, see the table above. For detailed information, Contact Us to request more from an AppGuard partner.