Type
stringclasses
20 values
Text
stringlengths
1
236
Score
float64
0.22
0.96
Original Sentence ID
int64
0
6.64k
Original Sentence
stringlengths
6
383
__index_level_0__
int64
0
16.8k
APT
B-Hack
0.854307
1,397
Based on this information, CTU researchers assess that B-Hack aims to collect defense technology and capability intelligence, other industrial intelligence, and B- I- from B- and I- .
3,647
SECTEAM
CTU
0.925823
1,398
Incident response engagements have given CTU researchers insight into the tactics B-Hack employs during intrusions .
3,648
APT
B-Hack
0.917801
1,398
Incident response engagements have given CTU researchers insight into the tactics B-Hack employs during intrusions .
3,649
SECTEAM
CTU
0.924714
1,399
CTU researchers have not observed B-Hack actors performing reconnaissance prior to B- I- .
3,650
APT
B-Hack
0.922646
1,399
CTU researchers have not observed B-Hack actors performing reconnaissance prior to B- I- .
3,651
SECTEAM
CTU
0.920939
1,400
CTU researchers have observed the threat actors installing a credential logger and backdoor on Microsoft Exchange servers, which requires a technical grasp of Internet Information Services (IIS).
3,652
MAL
credential logger
0.871502
1,400
CTU researchers have observed the threat actors installing a credential logger and backdoor on Microsoft Exchange servers, which requires a technical grasp of Internet Information Services (IIS).
3,653
IDTY
Microsoft
0.893902
1,400
CTU researchers have observed the threat actors installing a credential logger and backdoor on Microsoft Exchange servers, which requires a technical grasp of Internet Information Services (IIS).
3,654
TOOL
Internet Information Services (IIS).
0.895778
1,400
CTU researchers have observed the threat actors installing a credential logger and backdoor on Microsoft Exchange servers, which requires a technical grasp of Internet Information Services (IIS).
3,655
APT
B-Hack
0.673722
1,401
B-Hack is capable of using a C2 infrastructure that spans multiple networks and registrars .
3,656
ACT
C2 infrastructure
0.9119
1,401
B-Hack is capable of using a C2 infrastructure that spans multiple networks and registrars .
3,657
APT
B-Hack
0.415261
1,402
B-Hack SWCs may be largely geographically independent, but the group's most frequently used C2 registrars and IP net blocks are located in the U.S .
3,658
TOOL
C2
0.909978
1,402
B-Hack SWCs may be largely geographically independent, but the group's most frequently used C2 registrars and IP net blocks are located in the U.S .
3,659
PROT
IP
0.878012
1,402
B-Hack SWCs may be largely geographically independent, but the group's most frequently used C2 registrars and IP net blocks are located in the U.S .
3,660
LOC
U.S
0.913969
1,402
B-Hack SWCs may be largely geographically independent, but the group's most frequently used C2 registrars and IP net blocks are located in the U.S .
3,661
LOC
U.S.-based
0.830151
1,403
Using a U.S.-based C2 infrastructure (see Figure 7) to compromise targets in the U.S.
3,662
TOOL
C2
0.914239
1,403
Using a U.S.-based C2 infrastructure (see Figure 7) to compromise targets in the U.S.
3,663
LOC
U.S.
0.896797
1,403
Using a U.S.-based C2 infrastructure (see Figure 7) to compromise targets in the U.S.
3,664
APT
B-Hack
0.474315
1,404
helps B-Hack actors avoid geo-blocking and geo-flagging measures used in network defense .
3,665
MAL
PlugX DLL
0.883662
1,405
The threat actors create PlugX DLL stub loaders that will run only after a specific date .
3,666
SECTEAM
CTU
0.92798
1,406
The compile dates of the samples analyzed by CTU researchers are all later than the hard-coded August 8, 2013 date, indicating that the code might be reused from previous tools .
3,667
TIME
August 8, 2013
0.925839
1,406
The compile dates of the samples analyzed by CTU researchers are all later than the hard-coded August 8, 2013 date, indicating that the code might be reused from previous tools .
3,668
SECTEAM
CTU
0.929582
1,407
One archive sample analyzed by CTU researchers contained a legitimate PDF file, a benign image of interest to targets (see Figure 8), and an HTTPBrowser installer disguised as an image file .
3,669
MAL
PDF file,
0.866543
1,407
One archive sample analyzed by CTU researchers contained a legitimate PDF file, a benign image of interest to targets (see Figure 8), and an HTTPBrowser installer disguised as an image file .
3,670
MAL
HTTPBrowser installer
0.873985
1,407
One archive sample analyzed by CTU researchers contained a legitimate PDF file, a benign image of interest to targets (see Figure 8), and an HTTPBrowser installer disguised as an image file .
3,671
SECTEAM
CTU
0.919969
1,408
CTU researchers have observed B- I- between 04:00 and 09:00 UTC, which is 12:00 to 17:00 local time in China (UTC +8).
3,672
TIME
04:00 and 09:00
0.932826
1,408
CTU researchers have observed B- I- between 04:00 and 09:00 UTC, which is 12:00 to 17:00 local time in China (UTC +8).
3,673
TIME
12:00 to 17:00
0.932224
1,408
CTU researchers have observed B- I- between 04:00 and 09:00 UTC, which is 12:00 to 17:00 local time in China (UTC +8).
3,674
LOC
China
0.747552
1,408
CTU researchers have observed B- I- between 04:00 and 09:00 UTC, which is 12:00 to 17:00 local time in China (UTC +8).
3,675
APT
B-Hack
0.542046
1,409
B-Hack sends spearphishing emails with ZIP archive attachments .
3,676
ACT
spearphishing
0.923904
1,409
B-Hack sends spearphishing emails with ZIP archive attachments .
3,677
TOOL
emails
0.905162
1,409
B-Hack sends spearphishing emails with ZIP archive attachments .
3,678
SECTEAM
CTU
0.921857
1,410
CTU researchers have observed B-Hack compromising a target organization's externally and internally accessible assets, such as an OWA server, and adding redirect code to point internal users to an external website that hosts an exploit and delivers malware .
3,679
APT
B-Hack
0.877623
1,410
CTU researchers have observed B-Hack compromising a target organization's externally and internally accessible assets, such as an OWA server, and adding redirect code to point internal users to an external website that hosts an exploit and delivers malware .
3,680
ACT
adding redirect code
0.917195
1,410
CTU researchers have observed B-Hack compromising a target organization's externally and internally accessible assets, such as an OWA server, and adding redirect code to point internal users to an external website that hosts an exploit and delivers malware .
3,681
VULNAME
exploit
0.91656
1,410
CTU researchers have observed B-Hack compromising a target organization's externally and internally accessible assets, such as an OWA server, and adding redirect code to point internal users to an external website that hosts an exploit and delivers malware .
3,682
APT
B-Hack
0.916688
1,411
B-Hack actors have used Java exploits in their SWCs .
3,683
TOOL
Java
0.899752
1,411
B-Hack actors have used Java exploits in their SWCs .
3,684
MAL
SWCs
0.915113
1,411
B-Hack actors have used Java exploits in their SWCs .
3,685
APT
B-Hack
0.877041
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,686
VULID
CVE-2011-3544,
0.920736
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,687
MAL
HTTPBrowser backdoor;
0.892519
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,688
VULID
CVE-2010-0738,
0.92112
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,689
MAL
JBoss,
0.909464
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,690
VULNAME
exploit
0.914172
1,412
In particular, B-Hack has exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,691
SECTEAM
CTU
0.925949
1,413
In B- analyzed by CTU researchers, B-Hack executed the Hunter web application scanning tool against a target server running IIS .
3,692
APT
B-Hack
0.806458
1,413
In B- analyzed by CTU researchers, B-Hack executed the Hunter web application scanning tool against a target server running IIS .
3,693
MAL
Hunter web application scanning tool
0.871434
1,413
In B- analyzed by CTU researchers, B-Hack executed the Hunter web application scanning tool against a target server running IIS .
3,694
TOOL
IIS
0.915295
1,413
In B- analyzed by CTU researchers, B-Hack executed the Hunter web application scanning tool against a target server running IIS .
3,695
APT
actors
0.61217
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,696
VULID
CVE-2011-3544,
0.921134
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,697
MAL
HTTPBrowser backdoor;
0.890143
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,698
VULID
CVE-2010-0738,
0.920642
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,699
MAL
JBoss,
0.907902
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,700
VULNAME
exploit
0.914523
1,414
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HTTPBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code .
3,701
APT
B-Hack
0.566823
1,415
B-Hack uses DLL side loading, a technique that involves running a legitimate, typically digitally signed, program that loads a malicious DLL .
3,702
TOOL
DLL side loading,
0.651219
1,415
B-Hack uses DLL side loading, a technique that involves running a legitimate, typically digitally signed, program that loads a malicious DLL .
3,703
TOOL
DLL
0.90008
1,415
B-Hack uses DLL side loading, a technique that involves running a legitimate, typically digitally signed, program that loads a malicious DLL .
3,704
SECTEAM
CTU
0.913324
1,416
CTU researchers have observed the B-Hack I-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,705
APT
B-Hack I-Hack
0.699643
1,416
CTU researchers have observed the B-Hack I-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,706
SECTEAM
Kaspersky
0.909289
1,416
CTU researchers have observed the B-Hack I-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,707
MAL
PlugX
0.913153
1,417
The adversaries have used this technique to allow PlugX and HTTPBrowser to persist on a system .
3,708
MAL
HTTPBrowser
0.913395
1,417
The adversaries have used this technique to allow PlugX and HTTPBrowser to persist on a system .
3,709
SECTEAM
CTU
0.913402
1,418
CTU researchers have observed the B-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,710
ACT
B-Hack
0.447823
1,418
CTU researchers have observed the B-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,711
SECTEAM
Kaspersky
0.920793
1,418
CTU researchers have observed the B-Hack employing legitimate Kaspersky antivirus variants in analyzed samples .
3,712
APT
B-Hack
0.920547
1,419
B-Hack actors have deployed the OwaAuth web shell to Exchange servers, disguising it as an ISAPI filter .
3,713
MAL
OwaAuth web shell
0.865009
1,419
B-Hack actors have deployed the OwaAuth web shell to Exchange servers, disguising it as an ISAPI filter .
3,714
APT
actors
0.889906
1,420
In other cases, threat actors placed web shells on externally accessible servers, sometimes behind a reverse proxy, to execute commands on the compromised system .
3,715
MAL
web shells
0.883414
1,420
In other cases, threat actors placed web shells on externally accessible servers, sometimes behind a reverse proxy, to execute commands on the compromised system .
3,716
SECTEAM
CTU
0.918803
1,421
CTU researchers have discovered numerous details about B-Hack operations, including how the adversaries explore a network, move laterally, and exfiltrate data .
3,717
APT
B-Hack
0.458227
1,421
CTU researchers have discovered numerous details about B-Hack operations, including how the adversaries explore a network, move laterally, and exfiltrate data .
3,718
TOOL
C2
0.904773
1,422
When the adversaries' operations are live, they modify the record again to point the C2 domain to an IP address they can access .
3,719
PROT
IP
0.852825
1,422
When the adversaries' operations are live, they modify the record again to point the C2 domain to an IP address they can access .
3,720
MAL
OwaAuth web shell
0.878817
1,423
They then identify the Exchange server and attempt to install the OwaAuth web shell .
3,721
MAL
OwaAuth web shell
0.882072
1,424
If the OwaAuth web shell is ineffective because the victim uses two-factor authentication for webmail, B-Hack identify other externally accessible servers and deploy ChinaChopper web shells .
3,722
APT
B-Hack
0.579049
1,424
If the OwaAuth web shell is ineffective because the victim uses two-factor authentication for webmail, B-Hack identify other externally accessible servers and deploy ChinaChopper web shells .
3,723
ACT
ChinaChopper web shells
0.916464
1,424
If the OwaAuth web shell is ineffective because the victim uses two-factor authentication for webmail, B-Hack identify other externally accessible servers and deploy ChinaChopper web shells .
3,724
MAL
Baidu search engine
0.865077
1,425
After compromising an initial victim's system (patient 0), the threat actors use the Baidu search engine to search for the victim's organization name .
3,725
SECTEAM
CTU
0.924061
1,426
CTU researchers discovered the threat actors searching for " [company] login ", which directed them to the landing page for remote access .
3,726
APT
B-Hack
0.910213
1,427
B-Hack actors keep track of and leverage existing ASPXTool web shells in their operations, preferring to issue commands via an internally accessible web shell rather than HTTPBrowser or PlugX .
3,727
MAL
ASPXTool web shells
0.837395
1,427
B-Hack actors keep track of and leverage existing ASPXTool web shells in their operations, preferring to issue commands via an internally accessible web shell rather than HTTPBrowser or PlugX .
3,728
TOOL
web shell
0.753447
1,427
B-Hack actors keep track of and leverage existing ASPXTool web shells in their operations, preferring to issue commands via an internally accessible web shell rather than HTTPBrowser or PlugX .
3,729
MAL
HTTPBrowser
0.906074
1,427
B-Hack actors keep track of and leverage existing ASPXTool web shells in their operations, preferring to issue commands via an internally accessible web shell rather than HTTPBrowser or PlugX .
3,730
MAL
PlugX
0.915231
1,427
B-Hack actors keep track of and leverage existing ASPXTool web shells in their operations, preferring to issue commands via an internally accessible web shell rather than HTTPBrowser or PlugX .
3,731
TIME
2015,
0.926127
1,430
In 2015, the SecureWorks® Counter Threat Unit™ (CTU) research team documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU™ analysis suggests is based in the People's Republic of China (PRC).
3,732
SECTEAM
SecureWorks® Counter Threat Unit™ (CTU)
0.871852
1,430
In 2015, the SecureWorks® Counter Threat Unit™ (CTU) research team documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU™ analysis suggests is based in the People's Republic of China (PRC).
3,733
APT
B-Hack),
0.700921
1,430
In 2015, the SecureWorks® Counter Threat Unit™ (CTU) research team documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU™ analysis suggests is based in the People's Republic of China (PRC).
3,734
SECTEAM
CTU™
0.907798
1,430
In 2015, the SecureWorks® Counter Threat Unit™ (CTU) research team documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU™ analysis suggests is based in the People's Republic of China (PRC).
3,735
IDTY
People's Republic of China (PRC).
0.802468
1,430
In 2015, the SecureWorks® Counter Threat Unit™ (CTU) research team documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU™ analysis suggests is based in the People's Republic of China (PRC).
3,736
MAL
gsecudmp
0.914983
1,431
After reestablishing access, the adversaries download tools such as gsecudmp and WCE that are staged temporarily on websites that B-Hack previously compromised but never used .
3,737
MAL
WCE
0.910101
1,431
After reestablishing access, the adversaries download tools such as gsecudmp and WCE that are staged temporarily on websites that B-Hack previously compromised but never used .
3,738
SECTEAM
B-Hack
0.288866
1,431
After reestablishing access, the adversaries download tools such as gsecudmp and WCE that are staged temporarily on websites that B-Hack previously compromised but never used .
3,739
TIME
2015,
0.924526
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,740
SECTEAM
SecureWorks
0.929993
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,741
APT
BRONZE UNION
0.901407
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,742
APT
B-Hack),
0.895246
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,743
SECTEAM
CTU
0.928228
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,744
IDTY
People's Republic of
0.81663
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,745
LOC
China
0.407447
1,432
In 2015, the SecureWorks documented the BRONZE UNION threat group (formerly labeled B-Hack), which CTU analysis suggests is based in the People's Republic of China (PRC).
3,746